A. 160N/mm2
B. 260N/mm2
C. 420 N/mm2
D. 520 N/mm2
Related Mcqs:
- 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) - Percentage of carbon content in mild steel is_______________?
A. less than 0.25
B. between 0.25 and 0.7
C. between 0.7 and 1.5
D. greater than 1.5 - 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 - Which of the following stresses is used for identifying the quality of structural steel ?
A. ultimate stress
B. yield stress
C. proof stress
D. none of the above - The ratio of the thickness of web to that of flange of steel rolled structural beams and channels is______________?
A. less than 1
B. equal to 1
C. greater than 1
D. less than 1 in beams but greater than 1 in channels - The predominant constituent which is responsible for strength in granite is_____________?
A. quartz
B. feldspar
C. mica
D. none of the above - Crushing strength of a good building stone should be more than____________?
A. 50 MPa
B. 100 MPa
C. 150 MPa
D. 200 MPa - Crushing strength of a first class brick should not be less than_____________?
A. 3.5 N/mm2
B. 7.0 N/mm2
C. 10.5 N/mm2
D. 14.0 N/mm2 - 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 - According to IS specifications, the compressive strength of ordinary portland cement after three days should not be less than________________?
A. 7 MPa
B. 11.5 MPa
C. 16 MPa
D. 21 MPa
