Prefabricated Structures Multiple Choice Questions
1. Which is the system for prefabrication?
A. closed pfs.
B. open pfs
C. floor pfs
D. roof system
Answer:
B. open pfs
2. Which of the following stress affects the Demoulding?
A. stripping stress
B. dynamic stress
C. erection stress
D. lifting stress
Answer:
A. stripping stress
3. Which of the following stress affects the Transportation?
A. stripping stress
B. dynamic stress
C. erection stress
D. lifting stress
Answer:
B. dynamic stress
4. How may methods are available for Manufacture of precast concrete elements?
A. one
B. two
C. three
D. four
Answer:
B. two
5. Which one is not the characteristic of Materials used for construction of PFS?
A. non durability
B. non combustibility
C. lighter materials
D. none of the above
Answer:
A. non durability
6. What are the Advantages of standardization?
A. easier for design
B. easier to manufacture
C. easier to erection and completion
D. all of the above
Answer:
D. all of the above
7. What is the nature erection stresses?
A. dynamic
B. static
C. compatible
D. rigid
Answer:
A. dynamic
8. Which are the characteristics of Materials used for construction of PFS?
A. thermal insulation property
B. combustibility
C. heavier materials
D. none of the above
Answer:
A. thermal insulation property
9. Which method is not adopted in precasting?
A. tilting mould method
B. long line method
C. extrusion method
D. static method
Answer:
D. static method
10. Which of the below equipment is not used for hoisting of prefabricated components?
A. stationary cranes
B. cranes on rails
C. mobile cranes
D. all of the above
Answer:
D. all of the above
11. Slip form construction is a construction method in which concrete is poured into
A. static firm
B. continuously moving firm
C. vertically moving firm
D. interrupted firms
Answer:
D. interrupted firms
12. Certain geometric discipline using practical approaches which relate to setup coordination and measurement of components and spaces in building design is introduced in
A. standardization
B. modular coordination
C. remoulding
D. moulding
Answer:
B. modular coordination
13. Prefabrication is a……………….. construction method
A. automotive
B. modern
C. established
D. industrialised
Answer:
D. industrialised
14. What demands for disuniting the prefabricated structures?
A. less weight
B. quality
C. transportation and placing of structures
D. design constraints
Answer:
C. transportation and placing of structures
15. In the production of prefabricated structures how does the material used in construction affect the element?
A. material quality and economic design
B. smaller members
C. disuninting of members
D. joints
Answer:
A. material quality and economic design
16. What is disuniting of Structure?
A. dividing into panels
B. organizing the panels
C. erecting the panels
D. making into smaller members
Answer:
D. making into smaller members
17. If Joint deformation in the prefabricated structures is allowed It means
A. allowance for joint flexibility
B. allowance for stress
C. allowance for swaying
D. allowance for stress accumulation
Answer:
A. allowance for joint flexibility
18. The large reinforced concrete roofing members in prefabricated structures are
A. directly supported by main girders
B. directly supported on panel members
C. two way reinforcement is provided
D. provided with less reinforcement
Answer:
A. directly supported by main girders
19. At what point in the members disuniting should be done?
A. at minimum shear points
B. at corners or points of minimum moments
C. at points of maximum moment
D. at intersections
Answer:
B. at corners or points of minimum moments
20. What is the disadvantages of disuniting of structures?
A. easy to transport the members from casting yard to site.
B. requires lesser capacity of lifting arrangements.
C. identifying the joint location
D. require less amount of supporting arrangements
Answer:
C. identifying the joint location
21. Why should we give allowance for joint deformation?
A. to take care of the joints
B. to take care of the deformation due toir regularities
C. to take care of the disuniting of member
D. to take care of moments in the members
Answer:
B. to take care of the deformation due toir regularities
22. Based on load transfer the joints can be classified as
A. tension joint
B. compression joint
C. flexural joint
D. all of these
Answer:
D. all of these
23. The economy of cross section is measured by
A. shape factor
B. form factor
C. section modulus
D. material
Answer:
B. form factor
24. During design of elements in prefabricated structures due consideration should be given to
A. quality materials
B. stresses developed during handling the members
C. minimum factor of safety
D. all of these
Answer:
D. all of these
25. During disuniting joints are provided at
A. at corners or point of minimum bending moment joint
B. at center of member
C. at intersections
D. at tension joints
Answer:
A. at corners or point of minimum bending moment joint
26. In places where transportation of large members is difficult what kind of fabrication is preferred?
A. plant prefabrication
B. site fabrication
C. standardisation
D. prefabricate systems
Answer:
B. site fabrication
27. Transportation of precast members accounts for about
A. 20-25% of the cost of production and assembling
B. 10-15% of the cost of production and assembling
C. 10-20% of the cost of production and assembling
D. 5-15% of the cost of production and assembling
Answer:
B. 10-15% of the cost of production and assembling
28. Plant fabrication is suited better for
A. large number of small prefabricates
B. large e long panel members
C. standard is members
D. limited production
Answer:
A. large number of small prefabricates
29. ………………. is the factor used to obtain the design seismic force depending on the functional use of the structure, characterized by hazardous consequences of its failure, its post-earthquake functional need, historic value, or economic importance.
A. importance factor
B. response reduction factor
C. all of the above
D. none of the above
Answer:
A. importance factor
30. The elastic rebound theory is an explanation for how … is spread during earthquakes
A. load
B. stress
C. energy
D. intensity of load
Answer:
C. energy
31. Damping is the energy dissipation properties of a material or system under stress.
A. dynamic stress
B. static stress
C. non cyclic stress
D. cyclic stress
Answer:
D. cyclic stress
32. Choose the correct answer.
A. converting static load into dynamic load is known as equivalent design loads.
B. converting dynamic load into static load is known as equivalent design loads.
C. both a &b
D. none of the above
Answer:
B. converting dynamic load into static load is known as equivalent design loads.
33. Which of the following defines Magnitude?
A. the severity of earthquake shaking is assessed using a descriptive scale
B. quantitative measure of the size of the earthquake at its source
C. both a &b
D. none of the above
Answer:
B. quantitative measure of the size of the earthquake at its source
34. How many methods are generally used to avoid the disproportionate collapse in a building?
A. one
B. two
C. three
D. zero
Answer:
C. three
35. Choose the correct answer in terms of special requirements for building in High Seismic Zones
A. the height of the building shall generally restricted to 5 stores in zone iv
B. the height of the building shall generally restricted to 7 stores in zone iv
C. the height of the building shall generally restricted to 8 stores in zone iv
D. the height of the building shall generally restricted to 10 stores in zone iv
Answer:
D. the height of the building shall generally restricted to 10 stores in zone iv
36. Choose the correct answer in terms of special requirements for building in High Seismic Zones
A. the height of the building shall generally restricted to 5 stores in zone v
B. the height of the building shall generally restricted to 6 stores in zone v
C. the height of the building shall generally restricted to 7 stores in zone v
D. the height of the building shall generally restricted to 8 stores in zone v
Answer:
A. the height of the building shall generally restricted to 5 stores in zone v
37. In a Prefabricated R C floors in a cyclone prone zone the Structural deck concrete of grade not leaner than ………….. should be provided over pre-cast components to act monolithic with them.
A. m10
B. m15
C. m20
D. m25
Answer:
C. m20
38. Which of the following does not comes under the types of progressive collapse
A. domino-type collapse
B. section type collapse
C. stability type collapse
D. mixed-type collapse
Answer:
C. stability type collapse
39. Depending on the degree of work ability and placing condition determine the
A. slump value
B. the maximum size of aggregate
C. the amount of mixing water
D. the minimum water-cement ratio
Answer:
A. slump value