A. calcium oxide
B. silica
C. clay
D. water
Related Mcqs:
- Study the following statements. (1) Hydraulic lime is suitable for white washing, (2) Fat lime is suitable for whitewashing, (3) Hydraulic lime is suitable for making mortar, (4) Fat lime is suitable for making mortar. The correct answer is______________?
A. (1) and (4)
B. (2) and (3)
C. (1) and (2)
D. (3) and (4) - Assertion A : Pure lime takes a long time to develop adequate strength. Reason R : Pure lime has slow hardening characteristics. Select your answer according to the coding system given below ?
A. Both A and R are true and R is correct explanation of A
B. Both A and R are true and R is not a correct explanation of A
C. A is true but R is false
D. A is false but R is true - Hydraulic lime is obtained by_______________?
A. burning of lime stone
B. burning of kankar
C. adding water to quick lime
D. calcination of pure clay - Quick lime is (1) slow in setting (2) rapid in slacking (3) good in strength The correct answer is____________?
A. only (1)
B. only (2)
C. both (1) and (2)
D. both (2) and (3) - Quick lime is_______________?
A. calcium carbonate
B. calcium oxide
C. calcium hydroxide
D. none of the above - The proportions of lime and sand in the mortar normally used in brick construction are_______________?
A. 1:2
B. 1:4
C. 1:6
D. 1:8 - The main constituent of cement which is responsible for initial setting of cement is_________________?
A. dicalcium silicate
B. tricalcium silicate
C. tricalcium aluminate
D. all of the above - The predominant constituent which is responsible for strength in granite is_____________?
A. quartz
B. feldspar
C. mica
D. none of the above - The constituent of cement which is responsible for all the undesirable properties of cement is____________?
A. dicalcium silicate
B. tricalcium silicate
C. tricalcium aluminate
D. tetra calcium alumino ferrite - The function of cleats in a roof truss is______________?
A. to support the common rafter
B. to support purlins
C. to prevent the purlins from tilting
D. all of the above
