CIVIL ENGINEERING QUIZ-BMC(lime)

CIVIL ENGINEERING QUIZ-BMC(lime)

1. Lime used for making mortar for superior type of masonry work is

A) Semi hydraulic lime
B) Fat lime
C) Eminently hydraulic lime
D) All of above

... Answer is A)
Semi hydraulic lime "

2. Lime is produced from limestone through a process known as

A) Carbonation
B) Calcination
C) Hydrolysis
D) None of these

... Answer is B)
Calcination "

3. The lime putty

A) Is a paste of fat lime
B) Should be consumed within 1-2 weeks
C) Is prepared by adding water to lime
D) Is a naturally available material

... Answer is C)
Is prepared by adding water to lime"

4. The formula of lime stone is

A) CaO
B) CaCO3
C) Ca(OH)2
D) None of these

... Answer is B)
CaCO3 "

5. The lime which is obtained calcination of lime stone is

A) Hydrated lime
B) Fat lime
C) Quick lime
D) None of these

... Answer is C)
Quick lime"

6. The lime suitable for making mortar is

A) Quick lime
B) Fat lime
C) Hydraulic lime
D) Pure lime

... Answer is C)
Hydraulic lime"

7. The advantage of adding pozzolona to lime is

A) Impart greater strength
B) Increased resistance to chemical attack
C) Reduced shrinkage
D) All of the above

... Answer is D)
All of the above"

8. Fat lime may be converted into artificial hydraulic lime by addition of

A) Clay into required proportion
B) Sand into required proportion
C) Silt into required proportion degree
D) None of the above

... Answer is A)
Clay into required proportion"

9. Fat lime can be used in

A) Distempers
B) Lime mortar
C) Lime terracing
D) None of these

... Answer is A)
Distempers"

10. Quick lime is obtained from the burning of

A) Kankar
B) Lime stone
C) Slaked lime
D) All of these

... Answer is B)
Lime stone-sedimentary rock"

11. Fat lime is also called

A) Poor lime
B) Hydraulic lime
C) Slaked lime
D) White lime

... Answer is D)
White lime"

12. The lime produced by slaking burnt lime stone with just sufficient quantity of water required to complete the chemical reaction and which is available in the form of dry powder is

A) Fat lime
B) hydrated lime
C) Lime putty
D) Hydraulic lime

... Answer is B)
hydrated lime"

13. The commonly used lime in white washing is

A) Hydraulic lime
B) Fat lime
C) Plain lime
D) None of these

... Answer is B)
Fat lime"

14. Hydraulic lime has small quantities of

A) Silica
B) Alumina
C) Iron Oxide
D) all of above

... Answer is D)
all of above"

15. The fomrmula for quick lime is

A) CaCO3
B) CaO
C) Ca(OH)3
D) None of these

... Answer is B)
CaO"

16. ____ is a mixture of linseed oil and whiting chalk which is used for fixing glass panels

A) Putty
B) Mullion
C) Architrave
D) sash bars

... Answer is A)
Putty"

17. Quick lime is the common name for
Quartz,shale,basalt,granite,marble,gypsum,mica

A) Calcium Oxide
B) Calcium carbonate
C) Calcium Hydroxide
D) None of the above

... Answer is A)
Calcium Oxide "

18. What is the minimum % of the lime saturation present in 53 grade OPC

A) 1.20%
B) 0.8%
C) 0.66%
D) 1.02%

... Answer is B)
the minimum % of the lime saturation present in 53 grade OPC is 0.8% "

19. Lime containing a high % of calcium oxide is generally called

A) Fat lime
B) White lime
C) Rich lime
D) All of these

... Answer is D)
All of these"

20. The normal curing period for lime mortar is

A) 1 Day
B) 3 Days
C) 7 Days
D) 10 Days

... Answer is C)
The normal curing period for lime mortar is 7 days "