250+ TOP MCQs on Computer Aided Drafting and Answers

Civil Engineering Drawing Multiple Choice Questions on “Computer Aided Drafting”.

1. ____________ is a rectangular pattern of lines or dots which covers in the entire XY plane of user coordinate system.
a) Ortho
b) Grid
c) Snap
d) Tolerance

Answer: b
Clarification: Grid is used to inhance the drawing speed and efficiency with specified spacing, angle and alignment. Snap restricts the movement of the crosshairs to intervals that you define.

2. Which command converts discrete object in polyline?
a) Merge
b) Union
c) Join
d) Add

Answer: c
Clarification: Some reasons you may choose to use polylines include the following:
• Vertices remain joined even after grip editing
• Absolute line width (as an alternative to relative line weight) that can be constant or tapered across a segment
• Move and copy a polyline as a unit
• Easily create rectangles and polygons as single objects
• Smart application of non-continuous line types across vertices
• Easy extrusion for 3D solids in AutoCAD.

3. The offset command cannot be used to create__________
a) Concentric circles
b) Vertical straights
c) Three parallel lines
d) Parallel arcs

Answer: b
Clarification: To offset an object, select the source object; click the offset button from the Edit Object Toolbar. Specify a point on canvas to offset through using tap or drag.
The Offset command creates a new object whose shape is parallel to that of the selected object. The Offset button is located in the Edit Object toolbar when tapping on any editable shape.
After the offset distance was specified, you can set it manually by inserting a value to the units bar (by tapping on the input box). Tap “Done” (“V” button) to finish specify the distance.

4. Which axis is not used when working in 2-D frame?
a) Z-axis
b) Y-axis
c) X-axis
d) WCS

Answer: a
Clarification: The User Coordinate System defines
• The XY plane, also called the work plane, on which objects are created and modified
• The horizontal and vertical directions used for features like Ortho mode, polar tracking, and object snap tracking
• The alignment and angle of the grid, hatch patterns, text, and dimension objects
• The origin and orientation for coordinate entry and absolute reference angles
• For 3D operations, the orientation of work planes, projection planes, and the Z axis for vertical direction and axis of rotation
You can change the location and orientation of the current UCS by clicking the UCS icon and using its grips, or with the UCS command.
Display options for the UCS icon are available with the UCSICON command.

5. What is the minimum allowable numbers of layers in a drawing?
a) 0
b) 1
c) 2
d) 10

Answer: b

6. Which is corresponded to zoom mouse wheel?
a) Extend/all
b) Zoom in/ Zoom out
c) Pan and scan
d) Scale

Answer: b
Clarification: To use the Zoom command’s Window option, you click one corner, release the mouse button, and then click the other corner. Realtime: Enables you to zoom in and out by starting a realtime zoom and then dragging the magnifying-glass cursor up (to zoom in) or down (to zoom out).

7. What setting gradient allows us to fill an open area?
a) Gap
b) Tolerance
c) Transparency
d) Open

Answer: b
Clarification: For adding tolerance in AutoCAD dimensions, you can create a new dimension style with tolerance values and settings. This dimension style containing tolerance values can be applied wherever tolerances are required.
To make a dimension style with tolerances, type “D” or “DIMSTYLE” on the command line and press Enter. The Dimension Style Manger window will pop up. Click on the New button from this window, give your new dimension style a name and click on the Continue button. For example, I will name this dimension style “Tolerance Dim.”

8. Which of the following is not a unit of length measurement?
a) Yards
b) Parsecs
c) Microns
d) Grads

Answer: d
Clarification: The gradian is a unit of measurement of an angle, equivalent to 1/400 of a turn, 9/10 of a degree, or π/200 of a radian.
It is also known as gon (from Greek γωνία/gōnía for angle), grad, or grade. In continental Europe, the French term centigrade was in use for one hundredth of a grad. This was one reason for the adoption of the term Celsius to replace centigrade as the name of the temperature scale.

250+ TOP MCQs on Estimation in R.C.C. Structures and Answers

Civil Engineering Drawing Multiple Choice Questions on “Estimation in R.C.C. Structures”.

1. What does R.C.C. stand for?
a) Reinforced Cement Concrete
b) Reinforced Concrete Cement
c) Reinforced Combined Cement
d) Reinforced Constituent Cement
Answer: a
Clarification: When we say concrete in the building trade, we actually mean reinforced concrete. Its full name is reinforced cement concrete, or RCC. RCC is concrete that contains steel bars, called reinforcement bars, or rebars.

2. The maximum area of tension reinforcement in beams shall not exceed _________
a) 2%
b) 4%
c) 0.15%
d) 1.5%
Answer: b
Clarification: According to the clause 26.5.1.1 maximum reinforcement-the maximum area of tension reinforcement shall not exceeds 0.04 bD. So, 0.04 bD/bD*100 = 4%.

3. The diameter of longitudinal bars of a column should never be less than _________
a) 6 mm
b) 8 mm
c) 10 mm
d) 12 mm
Answer: d
Clarification: Due to buckling we don’t use diameter of longitudinal bars of a column less than 12 mm diameter.

4. Thickened part of a flat slab over its supporting column, is technically known as _____________
a) drop panel
b) capital
c) column head
d) cannot be determined
Answer: a
Clarification: Drop panel is used for resisting high shear at the column, drop panels have thickness more than the slab thickness and they are mostly used when the span is large or shear load is high.
While column capital is the upper head of the column which is thickened to reduce the punching shear on the column, column capital also reduces the clear span.

5. The minimum cube strength of concrete used for a prestressed member, is ________
a) 50 kg/cm2
b) 150 kg/cm2
c) 350 kg/cm2
d) 100 kg/cm2
Answer: c
Clarification: M35 is minimum required concrete for prestressed concrete.
Here 35 is in N/mm2. So convert it into kg/cm2.
N/mm2 = 10 kg/cm2.
So 35 N/mm2 = 350 Kg/cm2.

6. The number of treads in a flight is equal to __________
a) risers in the flight
b) risers plus one
c) risers minus one
d) risers plus three
Answer: c
Clarification: The part of the stairway that is stepped on. It is constructed to the same specifications (thickness) as any other flooring. The tread “depth” is measured from the outer edge of the step to the vertical “riser” between steps. The “width” is measured from one side to the other.

7. For initial estimate for a beam design, the width is assumed _____________
a) 1/15th of span
b) 1/10th of span
c) 1/20th of span
d) 1/30th of span
Answer: d
Clarification: Beams are traditionally descriptions of building or civil engineering structural elements, but any structures such as automotive automobile frames, aircraft components, machine frames, and other mechanical or structural systems contain beam structures that are designed to carry lateral loads are analyzed in a similar.

8. A foundation rests on _____________
a) base of the foundation
b) subgrade
c) foundation soil
d) base of the foundation, subgrade and foundation soil
Answer: d
Clarification: A foundation (or, more commonly, base) is the element of an architectural structure which connects it to the ground, and transfers loads from the structure to the ground. Foundations are generally considered either shallow or deep. Foundation engineering is the application of soil mechanics and rock mechanics (Geotechnical engineering) in the design of foundation elements of structures.

250+ TOP MCQs on Estimate of Materials for Different House Parts and Answers

Civil Engineering Drawing online test on “Estimate of Materials for Different House Parts”.

1. Calculate the cost of carriage of 50,000 bricks by bullock carts, from a distance of 7 km on kutcha road. The cart can make two trips per day and can carry 250 bricks per trip. The wages of bullock cart may be taken as Rs.50 per day including the driver.
a) Rs.10,000
b) Rs.5000
c) Rs.1000
d) Rs.500

Answer: b
Clarification: No. of trips required = 50000/250 = 200
No. of days work at two trips per day = 200/2 = 100
Cost of transport @Rs.50 per day = 100*50 = Rs.5000.

2. The cost of transporting materials does not depends upon the following factor ________
a) cost of owing or hire charges of the vehicle
b) loading capacity of the vehicle
c) labour cost for loading and unloading
d) elevation of road

Answer: d
Clarification: Trucking companies (AE) or haulage companies / hauliers (BE) accept cargo for road transport. Truck drivers operate either independently – working directly for the client – or through freight carriers or shipping agents. This also applies to shipments that are transported out of a free port.

3. Bullock cart can carry a load of ¾ to 1 tonne depending on the type of materials and the nature of road.
a) True
b) False

Answer: a
Clarification: The average speed of a bullock cart may be taken as 3.5 km per hour and ¾ hour may be allowed for loading and unloading.

4. For a lead of 1 km average speed is usually taken as 100 km per hour.
a) True
b) False

Answer: b
Clarification: For each additional lead of 1 km an increase of speed of 1⁄>sub>2 km/hr is allowed. For parking usually 6 km is allowed.

5. The number of trips (N) in a 8-hour working day is calculated by the formula __________
a) N=8/(2L/S+5/8)
b) N=8/(2L/S+3/4)
c) N=8/(2L/S+8/4)
d) N=8/(2L/S+3/9)

Answer: b
Clarification: where L=Lead(distance) in km, S=speed in km per hour and ½ hour time is allowed for loading and unloading.

6. Knowing the number of trips, the total distance run both ways in km is equal to 2N+6.
a) True
b) False

Answer: a
Clarification: The consumption of fuel, etc., many be taken as-Petrol or Diesel oil 3 km per litre, mobil oil 100 km per litre. The quantity of fuel consumption and the cost of fuel may be calculated as the local rates.

7. A half door or Dutch door or stable door is divided in half horizontally.
a) True
b) False

Answer: a
Clarification: Traditionally the top half can be opened to allow a horse or other animal to be fed, while the bottom half remains closed to keep the animal inside. This style of door has been adapted for homes.

8. Ideally, architects of houses design rooms to meet the needs of the people who will live in the house, this is known as ___________
a) planning
b) layout
c) finishing
d) interior design

Answer: d
Clarification: Interior design is the art and science of enhancing the interiors of a space or building to achieve a healthier and more aesthetically pleasing environment for the end user. An interior designer is someone who plans, researches, coordinates, and manages such projects. Interior design is a multifaceted profession that includes conceptual development, space planning, site inspections, programming, research, communicating with the stakeholders of a project, construction management, and execution of the design.

10. Horizontal boards at the top, bottom, and optionally in the middle of a door that join the two stiles and split the door into two or more rows of panels is known as ______________
a) panels
b) mullions
c) stiles
d) rails

Answer: d
Clarification: Horizontal boards at the top, bottom, and optionally in the middle of a door that join the two stiles and split the door into two or more rows of panels. The “top rail” and “bottom rail” are named for their positions. The bottom rail is also known as “kick rail”. A middle rail at the height of the bolt is known as the “lock rail”, other middle rails are commonly known as “cross rails”.

11. A brick laid flat with its long narrow side exposed is known as ____________
a) stretcher
b) header
c) rowlock
d) shiner

Answer: a

12. A brick laid on the long narrow side with the broad face of the brick exposed is known as ______________
a) shiner
b) header
c) sailor
d) soldier

Answer: b

13. A brick laid on the long narrow side with the short end of the brick exposed is ___________
a) header
b) rowlock
c) sailor
d) soldier

Answer: b

15. A ___________ consists of colourants dissolved and/or suspended in a ‘vehicle’ or solvent.
a) ceramic mixture
b) paint
c) wood stain
d) plaster

Answer: c
Clarification: Vehicle is the preferred term, as the contents of a stain may not be truly ‘dissolved’ in the vehicle, but rather ‘suspended’, and thus the vehicle may not be a true ‘solvent’. The vehicle often may be water, alcohol, a petroleum distillate, or a finishing agent such as shellac, lacquer, varnish and polyurethane. Coloured or ‘stained’ finishes do not typically deeply penetrate the pores of the wood and may largely disappear when the finish deteriorates or is removed.

250+ TOP MCQs on Reports on Estimate for the Construction of Road and Irrigation Channel and Answers

Civil Engineering Drawing Questions and Answers for Entrance exams on “Reports on Estimate for the Construction of Road and Irrigation Channel”.

1. The kind of canal section involved in irrigation work is __________
a) canal high in embankment in partly in excavation
b) canal partly in excavation and partly in embankment
c) canal less in embankment
d) canal half in excavation
Answer: b
Clarification: There are generally three kinds of canal sections involved in irrigation works and they are:-
• Canal fully in excavation
• Canal fully in embankment
• Canal partly in excavation and partly in embankment
Generally, the volume of earthwork for irrigational canals is calculated by the Trapezoidal formula which is also called End-area formula or the Mid-sectional formula. Generally, the side slope in cutting is kept as 1:1(H:V) and in banking 1.5:1(H:V) or 2:1(H:V) according to soil condition.

2. An impermeable layer is provided at the bed and sides of canal to improve the life and discharge capacity of canal known as ______________
a) canal modification
b) canal concreting
c) canal lining
d) canal regulation
Answer: c
Clarification: An important reason for lining a canal can be the reduction in water losses, as water losses in unlined irrigation canals can be high. Canals that carry from 30 to 150 liters/sec can lose 10 to 15% of this flow by seepage and water consumption by weeds. Lining a canal will not completely eliminate these losses, but roughly 60 to 80% of the water that is lost in unlined irrigation canals can be saved by a hard-surface lining. 42 Canal lining Minimizing water losses is very important, and especially so in schemes where irrigation water is pumped. Reduced water losses means less water to pump and thus a reduction in pumping costs.

3. The canal system does not consist ______________
a) main canal
b) branch canal
c) sub-main canal
d) major distributary
Answer: c
Clarification: Main Canal-Main Canal takes off directly from the upstream side of weir head works or dam. Usually no direct cultivation is proposed. Most of the main canals are aligned as contour canals to derive benefit.
Branch Canal-All off takes from main canal with head discharge of 14-15 cumecs and above are termed as branch canals.
Major Distributary-All off takes from main canal or branch canal with head discharge from 0.028 to 15 cumecs are termed as major distributaries.

4. A power canal refers to a canal used for hydraulic power generation, rather than for transport.
a) True
b) False
Answer: a
Clarification: Nowadays power canals are built almost exclusively as parts of hydroelectric power stations. Parts of the United States, particularly in the Northeast, had enough fast-flowing rivers that water power was the primary means of powering factories (usually textile mills) until after the American Civil War. For example, Lowell, Massachusetts, considered to be “The Cradle of the American Industrial Revolution,” has 6 miles (9.7 km) of canals, built from around 1790 to 1850, that provided water power and a means of transportation for the city. The output of the system is estimated at 10,000 horsepower.

5. Canals are natural-made channels for water conveyance, or to service water transport vehicles.
a) False
b) True
Answer: a
Clarification: Canals are human-made channels for water conveyance, or to service water transport vehicles. In most cases, the engineered works will have a series of dams and locks that create areas of low speed current flow. These areas are referred to as slack water levels, often just called levels.
An canal is also known as a navigation when it parallels a river and shares part of its waters and drainage basin, and leverages its resources by building dams and locks to increase and lengthen its stretches of slack water levels while staying in its valley.

6. If the total quantity of earth obtained from digging in the bed is equal to the quantity of earth required for the formation of the banks then this is known as economic digging.
a) False
b) True
Answer: a
Clarification: Also this canal is said to be designed with the balancing depth. Quantity of digging = Quantity in banking i.e. Sectional area of digging = Sectional area of two banks or, Bd+sd2 = (b1+b2)*h+2S1 h2. Although it is never possible to adjust the canal section to this requirement but it may be quite possible in certain portions.
If the quantity of earthwork in the excavation is more than the quantity of earthwork in banking then the surplus earth is thrown away to form spoil bank.
If the quantity of earthwork in the excavation is less than that of banking then the extra earth is taken from borrow pots in the temporary land whose area is calculated for temporary land acquisition.

7. As a modern technique use of plastics in canal lining is that plastic is covered at the top of the canal to prevent dust.
a) True
b) False
Answer: b
Clarification: The plastic as a material for canal lining offers certain characteristic advantages like negligible weight, easy for handling, spreading and transport, immune to chemical action and speedy construction. The plastic film is spread on the prepared subgrade of the canal. To anchor the membrane on the banks ‘V trenches are provided. The film is then covered with protective soil cover.

8. In water bound macadam roads, binding material is Brick dust.
a) True
b) False
Answer: b
Clarification: Stone dust is like a darker, coarser version of sand. It is a byproduct of running stones through a crushing machine to make crushed stone. Its exact composition will obviously depend on what kind of stone was run through the machine. For instance, sometimes granite is run through such a machine; in other cases, it could be limestone, for example. The machine has a screen that traps the larger material (that is, the crushed stone). The smaller material or “screenings” falls through the screen. Depending on the size of the holes in the screen used, it can be so fine in texture that it is basically a powder.

Civil Engineering Drawing for Entrance exams,

250+ TOP MCQs on Units of Measurement and Payment for Various Items and Answers

Civil Engineering Drawing Questions and Answers for Freshers on “Units of Measurement and Payment for Various Items”.

1. Earthwork in plinth filling is calculated by taking _____________
a) External dimensions b/w plinth walls
b) Vertical dimensions b/w plinth walls
c) Internal dimensions b/w plinth walls
d) Total dimensions b/w plinth walls

Answer: c
Clarification: In architecture, a plinth (from French plinthe, from Latin plinthus, from Greek πλίνθος plinthos, “brick”) is the base or platform upon which a column, pedestal, statue, monument or structure rests. Gottfried Semper’s The Four Elements of Architecture (1851) posited that the plinth, the hearth, the roof, and the wall make up all of architectural theory. The plinth usually rests directly on the ground or stylobate. According to Semper, the plinth exists to negotiate between a structure and the ground. Semper’s theory has been influential in the development of architecture.

2. In estimated cost what is the value taken for contingencies?
a) 0.5%-2.5%
b) 3%-5%
c) 5%-6%
d) 0%

Answer: b
Clarification: The dictionary meaning of contingencies is defined as- A future event or circumstance
which is possible but cannot be predicted with certainty or a provision for a possible event or
circumstance. In engineering is said to be as an incidental expense.

3. Multiplying factor for prefix “atto” is _______
a) 10-8
b) 1018
c) 10-18
d) 108

Answer: c
Clarification: Multiplying factor for prefix “atto” is 10-18.

4. In which unit, masonary of thin partition wall is calculated?
a) sq m
b) cu m
c) sq ft
d) sq cm

Answer: a
Clarification: A partition wall is a wall that separates rooms, or divides a room. Partition walls are usually not load-bearing. Partition walls are constructed of many materials, including steel panels, bricks, blocks of clay, terra-cotta, concrete, or glass blocks.
Some partition walls are made of sheet glass. Glass partition walls are a series of individual toughened glass panels mounted in wood or metal framing. They may be suspended from or slide along a robust aluminium ceiling track. The system does not require the use of a floor guide, which allows easy operation and an uninterrupted threshold.

5. No deduction is made for?
a) Rectangular openings >1 sq ft
b) Arch masonary
c) Bed plate upto 4″depth
d) Lintels over openings

Answer: c
Clarification: The Bedplate is the foundation on which the 2 stroke engine is built. It must be rigid enough to support the weight of the rest of the engine, and maintain the crankshaft, which sits in the bearing housings in the transverse girders, in alignment.

6. Large cornice is measured in ________
a) q ft
b) g ft
c) r ft
d) t ft

Answer: c

7. For computing painting estimate for a venetian what times area is considered?
a) 2 times 1 surface area, both sides
b) 1 times 1 surface area,1 side
c) 1 times 1 surface area, for both sides
d) 3 times 1 surface area, both sides

Answer: d
Clarification: In Italy it is one of the most common and appreciated decorative plaster. We are talking about the Venetian plaster. The polished and coloured surface is a tradition since ancient Roman times, pozzolona dust is used, that is a sand of volcanic origin and it is responsible for making the surface polished and smooth, but you can also use marble dust or coloured pigments of quartz mixed with lime. History tells that this technique was improved during the Seventeenth and Eighteenth centuries in Venice, that is the reason why it is called “Venetian”, also called Roman plaster.
The more layers of Venetian plaster are applied, the more polished and extremely refined is the wall. Obviously it also more expensive because of the labor it needs.

8. Estimation cost provided for water supply and electrification is __________
a) 4% and 6%
b) 18% and 18%
c) 08% and 08%
d) 12% and 15%

Answer: c
Clarification: Pipes must be installed to meet requirements for durability, safety and thermal performance-
• contractor responsibilities
• general installation requirements
• where to lay pipework
• access for maintenance and replacement
• preventing electric shock
• pipe insulation.

250+ TOP MCQs on Sanitary Works and Answers Online Quiz

Civil Engineering Drawing Multiple Choice Questions on “Sanitary Works”.

1. __________________ is any work involved in fixing or unfixing any pipe, plumbing fixture or appliance including; any trap, waste or soil pipe, ventilation pipe, or overflow pipe and any pipe that supplies or is intended to supply water.
a) Domestic plumbing
b) Flooring
c) Sanitary plumbing
d) Plastering and putting

Answer: c
Clarification: Sanitary plumbing is any work involved in fixing or unfixing any pipe, plumbing fixture or appliance including; any trap, waste or soil pipe, ventilation pipe, or overflow pipe and any pipe that supplies or is intended to supply water.
All sanitary plumbing must comply with the Building Code and, where a building consent is required; the work must be checked by the building inspector from the building control authority in your area (your local council). A code compliance certificate cannot be issued until the work has been signed off by the building inspector.

2. __________ is the highest form of decontamination.
a) Sterilization
b) Sanitation
c) Disinfection
d) Hygiene

Answer: a
Clarification: The process of rendering an article safe to handle, by cleaning with or without disinfection or sterilization. Disinfection: The process of killing or removing pathogenic micro-organisms, except for bacterial spores and prions from inanimate objects or skin, to a level which is not harmful to health.

3. Sanitary plumbing includes the installation of appliances such as dishwashers and washing machines; the replacement or repair of taps, ball valves and plugs.
a) True
b) False

Answer: b
Clarification: Sanitary plumbing does not includes the installation of appliances such as dishwashers and washing machines; the replacement or repair of taps, ball valves and plugs.

4. The lowest or weakest level of decontamination is sanitation.
a) True
b) False

Answer: b
Clarification: The strongest level of decontamination in increasing order is: Sanitation, Antiseptic, Disinfection, Sterilization.

5. Anti-siphonage pipe is connected to _____________
a) top of P trap W.C.
b) main soil pipe
c) bottom of P trap W.C.
d) side of water closet

Answer: c
Clarification: A vent is open at top and bottom, to facilitate exit of foul gases. It is carried at least one meter higher than the roof level. Rain water pipe: it is a pipe which carries only the rain water. Anti-siphonage pipe: it is pipe which is installed in the house drainage to preserve the water seal of traps.

6. The trap which is provided to disconnect the house drain from the street sewer is called __________
a) interceptor chamber
b) intercepting trap
c) interception manhole
d) interceptor chamber, manhole and trap

Answer: d
Clarification: A large sewer that receives flow from a number of trunk sewers and transports the flow to the wastewater treatment plant. These sewers do not connect to homes, buildings or street.

7. The diameter of a domestic sewer pipe laid at gradient 1 in 100 is recommended ________
a) 100 mm
b) 150 mm
c) 210 mm
d) 400 mm

Answer: b
Clarification: A sanitary sewer or “foul sewer” is an underground carriage system specifically for transporting sewage from houses and commercial buildings through pipes to treatment facilities or disposal. Sanitary sewers are part of an overall system called a sewage system or sewerage.
Sewage may be treated to control water pollution before discharge to surface waters. Sanitary sewers serving industrial areas also carry industrial wastewater.