A. (1) and (4)
B. (2) and (3)
C. (1) and (2)
D. (3) and (4)
Related Mcqs:
- 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 - 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 - 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) - 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 - 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) - For testing compressive and tensile strength of cement, the cement mortar is made by mixing cement and standard sand in the proportions of___________________?
A. 1:2
B. 1:3
C. 1:4
D. 1:6 - The most important tool in brick laying for lifting and spreading mortar and for forming joints is____________?
A. trowel
B. square
C. bolster
D. scutch - A mortar joint in masonry which is normal to the face of wall is known as_________________?
A. bed joint
B. wall joint
C. cross joint
D. bonded joint - 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)
