A. only (1)
B. only (2)
C. both (1) and (2)
D. both (2) and (3)
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 - Compared to mild steel, cast iron has (1) high compressive strength (2) high tensile strength (3) low compressive strength (4) low tensile strength The correct answer is_________________?
A. (1) and (2)
B. (2) and (3)
C. (3) and (4)
D. (1)and(4) - Quick lime is_______________?
A. calcium carbonate
B. calcium oxide
C. calcium hydroxide
D. none of the above - Early attainment of strength in rapid hardening cement is mainly due to_______________?
A. gypsum
B. finer grinding
C. tricalcium silicate
D. tricalcium aluminate - Which of the following represents a metamorphic rock? (1) slate (2) shale (3) quartzite . The correct answer is___________?
A. only (3)
B. both (1) and (3)
C. both (2) and (3)
D. all (1), (2) and (3) - Higher pitch of the roof (1) results in stronger roof (2) results in weaker roof (3) requires more covering material (4) requires less covering material The correct answer is___________?
A. (1) and (3)
B. (1) and (4)
C. (2) and (3)
D. (2) and (4) - 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 - The main constituent which imparts hydraulicity to hydraulic lime is______________?
A. calcium oxide
B. silica
C. clay
D. water - 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
