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Basic Civil Engineering Multiple Choice Questions on “Building Services”.
Building Services Multiple Choice Questions
1. In a building, to provide ultimate comfort to occupants ________ can be used.
A. AC
B. HVAC
C. Ventilators
D. HAC
Answer: B.HVAC
2. How many types of ventilation are there?
A. 3
B. 4
C. 2
D. 5
Answer: C.2
3. A fire detector cannot detect:
A. Radiation
B. Heat
C. Light
D. Smoke
Answer: C.Light
4. While calculating the handling capacity of lift, the weight of a person is taken as 65kg.
A. True
B. False
C. none
D. all
Answer: B.False
5. Which of the following is not a benchmark for environmental performance assessment?
A. LEED
B. BEAM
C. GBTools
D. Gini coefficient
Answer: D.Gini coefficient
6. Which of the following parameters does not affect the lift waiting time?
A. Rated load
B. Number of stops
C. Door closing time
D. Handling capacity
Answer: D.Handling capacity
7. The term _________ is used to mean the free passage of clean air in a structure.
A. Circulation
B. Ventilation
C. Dissipation
D. Condensation
Answer: B.Ventilation
8. For comfortable working, the ___________ content should be limited to about 0.6% by volume.
A. Oxygen
B. Hydrogen
C. Carbon monoxide
D. Carbon dioxide
Answer: D.Carbon dioxide
9. Where people are working, there has to be ______________ to cause proper ventilation of the premises.
A. Air change
B. Humidity
C. Temperature
D. Moisture
Answer: A.Air change
10. The rate of amount of water vapour present to the amount it would have contained, had it been saturated, is known as the ___________
A. Relative humidity
B. Saturated air
C. Dry bulb temperature
D. Wet bulb temperature
Answer: A.Relative humidity
11. The_______________ plays an important role in the comfort of persons affected by ventilation system.
A. Carbon monoxide
B. Purity of air
C. Volume of room
D. Health of occupant
Answer: B.Purity of air
12. It is quite evident that the incoming air for ventilation should be ________ in summer and________ in winter before it enters the room.
A. cool, warm
B. warm, cool
C. humid, dry
D. dry, humid
Answer: A.cool, warm
13. In ______________ system, the use is made of doors, windows, ventilators and skylights to make the room properly ventilated.
A. Artificial ventilation
B. Air conditioning
C. Natural ventilation
D. Mechanical ventilation
Answer: C.Natural ventilation
14. Exhaust system, supply system, air conditioning, etc. comes under ________ type of ventilation system.
A. Natural
B. Mechanical
C. Man made
D. Doors
Answer: B.Mechanical
15. The term __________ is used to indicate the science of controlling air with respect to humidity, temperature, movement of air, bacteria content, etc.
A. Air conditioning
B. Circulation
C. Condensation
D. Conditioning
Answer: A.Air conditioning
16. _____________ is the process by which the required amount of moisture is added in the air.
A. Dehumidification
B. Humidification
C. Absorption
D. Condensation
Answer: B.Humidification
17. the maximum rate of air change is ______
A. 30 per min
B. 30 per hour
C. 60 per min
D. 60 per hour
Answer: D.60 per hour
18. Viscous type filters are made of screens of spilt wire and coated with non-drying viscous oil in order to catch and remove the dust particles from the incoming air.
A. True
B. False
C. none
D. all
Answer: A.True
19. The type of wiring depends on ……………………….
A. Location and consumers budget
B. Durability and cost
C. Safety and appearance
D. All of the above
Answer: D.All of the above
20. The types of internal wiring used in domestic installations are ……………………..
A. Cleat wiring
B. CTS / RTS wiring
C. Metal / PVC conduit wiring
D. All the above
Answer: D.All the above
21. ……………… type of wiring uses insulated cables supported in porcelain cleats
A. Cleat
B. CTS/RTS
C. Metal
D. PVC conduit or PVC capping
Answer: A.Cleat
22. In cleat wiring. cleats shall be fixed at distances not greater than……………… cm apart and at regular intervals.
A. 50
B. 60
C. 65
D. 70
Answer: B.60
23. Which is the most type of wirings used in domestic applications?
A. Conduit wiring
B. Cleat wiring
C. Batten wiring
D. None of these
Answer: A.Conduit wiring
24. What is the property of insulating materials?
A. Prevents the unwanted flow of current
B. Allows the unwanted flow of current
C. Increases the unwanted flow of current
D. Decreases the unwanted flow of current
Answer: A.Prevents the unwanted flow of current
25. A shorter center distance is always preferred in belt drives.
A. Yes due to stability
B. No due to stability
C. Yes due to instability
D. No due to instability
Answer: A.Yes due to stability
26. ________________ Gas hampers oxygen from reaching the brain.
A. Carbon dioxide
B. Carbon monoxide
C. Nitrogen peroxide
D. Hydrogen
Answer: B.Carbon monoxide
27. ____________________ gas overestimates the rate of breathing and it is thus responsible for increasing the intake of other toxic gases.
A. Hydrogen sulphide
B. Carbon monoxide
C. Carbon dioxide
D. Nitrogen dioxide
Answer: C.Carbon dioxide
28. During fire, the human body can withstand temperature upto __________
A. 150°C
B. 120°C
C. 200°C
D. 80°C
Answer: B.120°C
29. The content of oxygen is normally ________% in air.
A. 100
B. 50
C. 73
D. 21
Answer: D.21
30. The hazard with concerns damage or destruction of building itself is known as the __________
A. Internal hazard
B. Building hazard
C. Surrounding hazard
D. Personal hazard
Answer: A.Internal hazard
31. It is found that _______ are not seriously affected until very high temperature of 1200°C to1300°C is reached.
A. Plastic
B. Limestone
C. Sandstone
D. Brick
Answer: D.Brick
32. Noise is
A. an unwanted noise
B. an irritant
C. a source of stress
D. all of the above
Answer: D.all of the above
33. Sound is measured in
A. Hertz
B. Decibel
C. ppm
D. none of the above
Answer: A.Hertz
34. What is called for the collection of rainwater for use?
A. Rain collection
B. Rainwater harvesting
C. Rain digging
D. Rain water pumping
Answer: B.Rainwater harvesting
35. What is called for the method of removing dust and other particles from water using filters?
A. Filtration
B. Sublimation
C. Rainwater harvesting
D. Evaporation
Answer: A.Filtration
36. How many methods of rainwater harvesting are there?
A. One
B. Two
C. Three
D. Four
Answer: B.Two
37. Why should people implement rainwater harvesting?
A. In order to play with the water
B. In order to use during scarcity of water
C. In order to pour the rain water directly to the sewage
D. In order to time pass
Answer: B.In order to use during scarcity of water
38. Rainwater harvesting increases the groundwater levels.
A. True
B. False
C. none
D. all
Answer: A.True
39. When does Green building take place?
A. During the design phase of the building’ s development
B. During the construction phase of the building’ s development
C. After construction of the building
D. None of above
Answer: A.During the design phase of the building’ s development
40. Green building considers environmental, social, and _______ impacts of a building.
A. technological
B. economic
C. political
D. None of above
Answer: B.economic
41. Which of the following practice applied in sustainable planning?
A. Energy audits
B. Site appraisals
C. Waste management plan
D. all of above
Answer: B.Site appraisals
42. Sustainable building design does not include…
A. energy conservation.
B. Indoor Air Quality.
C. Town Planning.
D. all of above
Answer: C.Town Planning.
43. What does LEED stand for?
A. Leadership in Energy Efficiency Design
B. Leadership in Energy and Environmental Design
C. Leadership in Energy Emissions Design
D. all of above
Answer: B.Leadership in Energy and Environmental Design
44. Building which utilizes solar energy such as solar film effectively ________heat gain during thewinter, and ________ heat gain during the summer.
A. increases; reduces
B. reduces; increases
C. reduces; reduces
D. None of above
Answer: A.increases; reduces
45. ________ ventilation requires less energy, capital and maintenance costs, and contributes lessGHG emissions.
A. Mechanical
B. Natural
C. Automatic
D. None of above
Answer: B.Natural
46. Which of the following is not considered a renewable energy source?
A. Geothermal
B. Solar
C. Coal
D. all of above
Answer: C.Coal
47. A _______ building material can be made into new products again and again.
A. recyclable
B. reusable
C. repairable
D. None of above
Answer: A.recyclable
48. When does Sustainable Construction take place?
A. During the design phase of a building’ s development
B. During the construction phase of a building’ s development
C. After construction of the building
D. None of above
Answer: B.During the construction phase of a building’ s development
49. Sustainable construction considers the ____________ and ____________ impacts ofconstruction activities on the surrounding neighborhood.
A. operational; economical
B. environmental; operational
C. environmental; social
D. None of above
Answer: C.environmental; social
50. In a ventilator, top edge of shutter opens,
A. Outside
B. Inside
C. Sideways
D. Does not open
Answer: B.Inside
51. Economy can be achieved in doors, windows, ventilator by:
A. No frame
B. Less width
C. Steel frames
D. Less height
Answer: C.Steel frames
52. MCB stands for
A. Miniature Circuit Breaker
B. Mono circuit breaker
C. Mega circuit breaker
D. None
Answer: A.Miniature Circuit Breaker
53. RCCB stands for
A. Relive current circuit breaker
B. Residual Current Circuit Breaker
C. Residential circuit code breaker
D. None
Answer: B.Residual Current Circuit Breaker
54. Advantages of Cleat Wiring:
A. It is simple and cheap wiring system
B. Cleat wiring system installation is easy and simple.
C. Inspection is easy and simple.
D. All of above
Answer: D.All of above
55. Batten Wiring also called
A. CTS
B. TRS
C. Both a and b
D. None
Answer: C.Both a and b
56. Repairing and maintenance is easy in
A. Conduit wiring
B. Cleat wiring
C. Wooden casing and capping wiring
D. CTS or TRS or PVC sheath wiring
Answer: A.Conduit wiring
57. There are additional types of conduit wiring according to Pipes installation
A. Surface or open Conduit type
B. Recessed or concealed or underground type Conduit
C. Both a and b
D. None of these
Answer: C.Both a and b
58. Cleat wiring system is a temporary wiring system?
A. Yes
B. No
C. none
D. all
Answer: A.Yes
59. In direct current (DC), the electric charge (current) only flows in ___direction.
A. Two
B. One
C. Three
D. None
Answer: B.One
60. AC means
A. Alternate current
B. All current
C. Alter current
D. Non
Answer: A.Alternate current
61. DC means
A. Double current
B. Dry current
C. Direct current
D. None
Answer: C.Direct current
62. DC current flows in one direction, while ac current rises from zero to a maximum, then falls tozero in one direction, then rises to a maximum, then falls to zero in the opposite direction.
A. True
B. False
C. none
D. all
Answer: A.True
63. DC current transfers better over longer distances than ac current.
A. True
B. False
C. none
D. all
Answer: B.False
64. An ac wave shape could be a sine wave, square wave, or saw tooth wave.
A. True
B. False
C. none
D. all
Answer: A.True
65. 2 way switching means having two or more switches in different locations to control _____lamp
A. One
B. Two
C. None
D. All of above
Answer: A.One
66. In a single phase power supply, the power is supplied through two wires called
A. Phase
B. Neutral
C. Both a and b
D. None
Answer: C.Both a and b
67. The voltage of single phase supply is ____
A. 230 v
B. 220 v
C. 110 v
D. 500 v
Answer: A.230 v
68. The voltage of three phase supply____
A. 450 v
B. 415 v
C. 220 v
D. 230 v
Answer: B.415 v
69. For a gold LEED certification, how many points are required?
A. 40-49
B. 60-79
C. 50-59
D. 80-110
Answer: B.60-79
70. Which of the below green building in India has received a platinum LEED certification?
A. Dabur India, Chandigarh
B. Logix Cyber Park, UP
C. Unitech Commercial Tower, Chandigarh
D. Suzlon One Earth, Pune
Answer: D.Suzlon One Earth, Pune
71. Which of the below is a global scale environmental issue?
A. Eutrophication
B. Regional ozone
C. Climate change
D. Pollution
Answer: C.Climate change
72. LEED is a building rating system developed and maintained by
A. The New Jersey Board of Public Utilities
B. The US Department of Energy
C. The US Environmental Protection Agency
D. The US Green Building Council
Answer: D.The US Green Building Council
73. Green building practices include
A. Only energy efficiency.
B. Only recycled materials
C. Only Environmental Protection
D. All of these
Answer: D.All of these
74. the difference of temperature between the outside air and inside air tends to the depositionof moisture in the room surfaces known as ___________
A. Ventilation
B. Diffusion
C. Condensation
D. Dissipation
Answer: C.Condensation
75. the ________________ plays an important role in the comfort of persons affected byventilation system.
A. Carbon monoxide
B. Purity of air
C. Volume of room
D. Health of occupant
Answer: B.Purity of air
76. Wastewater from different sources like bathrooms, kitchens and wash basins is called ______
A. Sewage
B. Garbage
C. Sullage
D. Discharge
Answer: C.Sullage
77. Which of the following conditions is not suitable for the disposal of excreta or sewage?
A. The waste does not pollute the ground surface
B. It is not exposed to the atmosphere
C. It should be accessible for children
D. It does not give odour nuisance
Answer: C.It should be accessible for children
78. In urban cities like Bangalore, which of the water carriage system is used?
A. Separate system
B. Combined system
C. Partially combined system
D. Partially separate system
Answer: A.Separate system
79. The relatively clean wastewater from baths, sinks, washing machines and other kitchenappliances is called ________
A. Grey water
B. Black water
C. Yellow water
D. Wastewater
Answer: A.Grey water
80. The overall purpose of sanitation is to maintain the green environment alone.
A. True
B. False
C. none
D. all
Answer: B.False
81. The direction of water in filter beds is reversed for ______
A. Filtration
B. Cleaning
C. Decreasing velocity
D. Decreasing flow
Answer: B.Cleaning
82. Rapid filtration is used as the _______ clarifying step in municipal water treatment plants.
A. First
B. Second
C. Intermediate
D. Final
Answer: D.Final
83. _______ indicates the freshness of grey water.
A. Turbidity
B. Color
C. Temperature
D. COD
Answer: B.Color
84. The type of wastewater from the flushing operation of toilet is __________
A. Green water
B. Red water
C. Black water
D. Brown water
Answer: C.Black water
85. The full form of BOD is __________
A. Biodegradable oxygen demand
B. Biological oxygen demand
C. Biochemical oxygen demand
D. Bandwidth on demand
Answer: C.Biochemical oxygen demand
86. Which of the following actions may best help maintain human comfort even in an increasedindoor temperature?
A. Lowering the humidity
B. Re-circulating the air supply
C. Lowering the lighting intensity
D. Increasing the ventilation rate
Answer: A.Lowering the humidity
87. Combination system consists of supply system and __________ system.
A. Plenum
B. Air conditioning
C. Exhaust
D. Natural
Answer: C.Exhaust
88. In horizontal belt, the loose side is generally kept on the bottom.
A. True
B. False
C. none
D. all
Answer: B.False
89. For ventilation Which action is required?
A. wind action
B. stack effect
C. both
D. none
Answer: C.both
90. The systems installed in buildings to make them comfortable, functional, efficient and safeiscalled _________________
A. AC
B. Noise Protection
C. Mechanical Services
D. Building Services
Answer: D.Building Services
91. Objectives of Building Services
A. Provide comfortable living to its occupants
B. Improve efficiency of the users
C. Maintain health of the occupants
D. all of above
Answer: D.all of above
92. Apartments, flats, Bungalows are _________type of building
A. Residential Building
B. Commercial building
C. privet building
D. educational building
Answer: A.Residential Building
93. Building structures which are used for the storage, handling, manufacture of materials which are liable to burn with extreme rapidity and prove hazardous to health building or building contents are called ____________
A. Assembly Building
B. Hazardous building
C. mercantile building
D. all of the above
Answer: B.Hazardous building
94. Air conditioning is one type of
A. Mechanical system
B. Electrical system
C. Building operation system
D. Multiple services
Answer: A.Mechanical system
95. Oxygen and Nitrogen gas in hospitals is one type of
A. Mechanical system
B. Electrical system
C. Building operation system
D. Multiple services
Answer: A.Mechanical system
96. Fire protection system is one type of
A. Mechanical system
B. Electrical system
C. Building operation system
D. Multiple services
Answer: A.Mechanical system
97. Fuse, LCB, ELCB is one type of
A. Mechanical system
B. Electrical system
C. Building operation system
D. Multiple services
Answer: B.Electrical system
98. Lifts, Elevators, escalators is one type of
A. Mechanical system
B. Electrical system
C. Building operation system
D. Multiple services
Answer: C.Building operation system
99. Automated parking is one type of
A. Mechanical system
B. Electrical system
C. Building operation system
D. Multiple services
Answer: C.Building operation system
100. Lawn sprinklers is one type of
A. Mechanical system
B. Electrical system
C. Building operation system
D. Multiple services
Answer: D.Multiple services
101. Water proofing treatment is one type of
A. Mechanical system
B. Electrical system
C. Building operation system
D. Multiple services
Answer: D.Multiple services
102. Aims of good lighting
A. To promote work and other activities carried out within the building.
B. To promote the safety of the people using the building.
C. To create a pleasing environment and a sense of well-being for the occupants
D. all of above
Answer: D.all of above
103. Principles of lighting
A. Planning the brightness pattern.
B. Recommended values of illumination.
C. Lighting for movement about a building
D. all of above
Answer: D.all of above
104. The value of Illumination in lux of Residential building
A. 100-150-200
B. 200-300
C. 300
D. 100-450
Answer: A.100-150-200
105. The value of Illumination in lux of Schools
A. 100-150-200
B. 200-300
C. 300
D. 100-450
Answer: B.200-300
106. The value of Illumination in lux of stairs
A. 100-150-200
B. 200-300
C. 300
D. 100-450
Answer: A.100-150-200
107. The value of Illumination in lux of Reading room
A. 100-150-200
B. 200-300
C. 300
D. 100-450
Answer: C.300
108. The value of Illumination in lux of Industrial building
A. 100-150-200
B. 200-300
C. 300
D. 100-450
Answer: D.100-450
109. The value of Illumination in lux of Airport building
A. 100-150-200
B. 200-300
C. 300
D. 100-450
Answer: C.300
110. Due to light sources within the field of vision is called_________
A. Direct glare
B. Reflected glare
C. Veiling Glare
D. Glare
Answer: A.Direct glare
111. Due to reflection from light sources or surfaces of excessive brightness is called_________
A. Direct glare
B. Reflected glare
C. Veiling Glare
D. Glare
Answer: B.Reflected glare
112. where the peripheral field is comparatively very bright is called_________
A. Direct glare
B. Reflected glare
C. Veiling Glare
D. Glare
Answer: C.Veiling Glare
113. Excessive contrast or abrupt and large changes in brightness produces the effect of ______
A. Direct glare
B. Reflected glare
C. Veiling Glare
D. Glare
Answer: D.Glare
114. Total quantity of light emitted from a point source of light per second is called____________
A. luminous flux
B. luminous intensity
C. Illuminance
D. Lumen
Answer: A.luminous flux
115. It is the SI unit of luminous is called____________
A. luminous flux
B. luminous intensity
C. Illuminance
D. Lumen
Answer: D.Lumen
116. Amount of luminous flux emitted from a source in any one direction per unit solid angle iscalled____________
A. luminous flux
B. luminous intensity
C. Illuminance
D. Lumen
Answer: B.luminous intensity
117. the SI unit of luminous intensity is called____________
A. glare
B. visual task
C. candela
D. Lumen
Answer: C.candela
118. The ease and certainty with which an eye can seen an object is called____________
A. glare
B. visual task
C. candela
D. Lumen
Answer: B.visual task
119. The light received by the earth from the sun consists how many parts?
A. 1
B. 2
C. 3
D. 4
Answer: B.2
120. The relative amount of sky illuminance depends on
A. altitude of the locality
B. The day of the year
C. The time of the day
D. all of the above
Answer: D.all of the above
121. For Indian conditions, how much solar altitude is assumed as the standard for designpurposes.
A. 10
B. 12
C. 15
D. 17
Answer: B.12
122. The recommended design sky illuminance values for cold climate is
A. 6800
B. 8000
C. 9000
D. 10500
Answer: A.6800
123. The recommended design sky illuminance values for warm humid climate is
A. 6800
B. 8000
C. 9000
D. 10500
Answer: C.9000
124. The recommended design sky illuminance values for hot dry climate is
A. 6800
B. 8000
C. 9000
D. 10500
Answer: D.10500
125. The recommended design sky illuminance values for composite climate is
A. 6800
B. 8000
C. 9000
D. 10500
Answer: B.8000
126. The recommended design sky illuminance values for temperature climate is
A. 6800
B. 8000
C. 9000
D. 10500
Answer: C.9000
127. The percentage of that part of daylight illumination at a point in the interior on a given planewhich is received directly from the sky s called____________
A. internal reflected component
B. sky component
C. external reflected component
D. glare
Answer: B.sky component
128. The ratio (or percentage) of that part of the day light illuminance at a point on a given plane which is received by direct reflection from external surfaces is called____________
A. internal reflected component
B. sky component
C. external reflected component
D. glare
Answer: C.external reflected component
129. The ratio (or percentage) of that part of the daylight illuminance at a point in a given plane which is received by direct reflection or inter-reflection from the internal surfaces is called____________
A. internal reflected component
B. sky component
C. external reflected component
D. glare
Answer: A.internal reflected component
130. In which case artificial lighting is necessary?
A. Where the recommended illumination levels have to be obtained by artificial lighting only.
B. To supplement day lighting when the level of illumination falls below the recommended value.
C. Where visual task may demand a higher level of illumination.
D. all of the above
Answer: D.all of the above
131. Which one is not a type of metal filament lamp?
A. Vacuum type
B. Low pressure type
C. High pressure type
D. b & c
Answer: D.b & c
132. Which is the type of incandescent lamp?
A. Carbon filament lam
B. arch lamp
C. mercury discharge lamp
D. sodium discharge lamp
Answer: A.Carbon filament lam
133. Necessity of ventilation is ____________
A. Removal of carbon dioxide
B. To supply fresh air rich in oxygen
C. To control dust
D. all of the above
Answer: D.all of the above
134. Necessity of ventilation is ____________
A. To suppress odors & smoke
B. To reduce humidity
C. For removal of body heat
D. all of the above
Answer: D.all of the above
135. Requirement of ventilation is ____________
A. Air change
B. humidity
C. quality of air
D. all of the above
Answer: D.all of the above
136. The minimum & maximum rate of air change is 60 per hour.
A. 1, 30
B. 30, 60
C. 1, 60
D. none of these
Answer: C.1, 60
137. As per IS : 3362-1965 recommends the following air changes in residential buildings for livingroom is
A. minimum 3
B. maximum 3
C. minimum 6
D. no need
Answer: A.minimum 3
138. As per IS : 3362-1965 recommends the following air changes in residential buildings forbathroom is
A. minimum 3
B. maximum 3
C. minimum 6
D. no need
Answer: C.minimum 6
139. As per IS : 3362-1965 recommends the following air changes in residential buildings forpassage is
A. minimum 3
B. maximum 3
C. minimum 6
D. no need
Answer: D.no need
140. As per IS : 3362-1965 recommends the following air changes in residential buildings forkitchen is
A. minimum 3
B. maximum 3
C. minimum 6
D. no need
Answer: A.minimum 3
141. Requirement of air changes per hour in an enclosed area as per NBC 2005 for assembly hall
A. 2-4
B. 4-8
C. 8-12
D. 10-15
Answer: B.4-8
142. Requirement of air changes per hour in an enclosed area as per NBC 2005 for bed rooms
A. 2-4
B. 4-8
C. 8-12
D. 10-15
Answer: A.2-4
143. Requirement of air changes per hour in an enclosed area as per NBC 2005 for conferenceroom
A. 2-4
B. 4-8
C. 8-12
D. 10-15
Answer: C.8-12
144. Requirement of air changes per hour in an enclosed area as per NBC 2005 for cinema
A. 2-4
B. 4-8
C. 8-12
D. 10-15
Answer: D.10-15
145. Requirement of air changes per hour in an enclosed area as per NBC 2005 for hospital
A. 3-5
B. 6-8
C. 6-10
D. 8-10
Answer: B.6-8
146. Requirement of air changes per hour in an enclosed area as per NBC 2005 for libraries
A. 3-5
B. 6-8
C. 6-10
D. 8-10
Answer: A.3-5
147. Requirement of air changes per hour in an enclosed area as per NBC 2005 for factories
A. 3-5
B. 6-8
C. 6-10
D. 8-10
Answer: D.8-10