Concrete Technology MCQ

Q. 11 For a cantilever of effective depth of 0.5 m, the maximum span to satisfy vertical deflection limit is

A. 4 m

B. 4.5 m

C. 3.5 m

D. 5 m

C. 3.5 m


Q. 12The bulk density of aggregates does not depend upon:

A. Specific gravity of aggregates

B. Grading of aggregates

C. Size and shape of aggregates

D. Size and shape of the container

D. Size and shape of the container


Q. 13 How long will it take for the concrete to achieve 100% of its strength?

A. 14 days

B. 21 days

C. 7 days

D. 28 days

D. 28 days


Q. 14 A higher modular ratio shows

A. Higher tensile strength of steel

B. Lower tensile strength of steel

C. Higher compressive strength of concrete

D. Lower compressive strength of concrete

D. Lower compressive strength of concrete


Q. 15 For the construction of cement concrete floor, the maximum permissible size of aggregate, is

A. 8 mm

B. 10 mm

C. 4 mm

D. 6 mm

B. 10 mm


Q. 16 The specifications of a cement bag for storage, are

A. Height 18 cm

B. Plan area 3000 sq. cm

C. Weight 50 kg

D. All the above

D. All the above


Q. 17The main reinforcement in the heel of a T-shaped R.C. retaining wall is provided on

A. Both top and bottom faces perpendicular to wall

B. Top face perpendicular to wall

C. Bottom face perpendicular to wall

D. None of the above

B. Top face perpendicular to wall


Q. 18 Separation of coarse aggregates from mortar during transportation, is known

A. Segregation

B. Shrinkage

C. Bleeding

D. Creeping

A. Segregation


Q. 19 A flaky aggregate is said to be elongated if its length is

A. Twice the mean size

B. Thrice the mean size

C. Equal to the mean size

D. Four times the mean size

A. Twice the mean size


Q. 20 ssertion A : The load factor for live load is greater than that for dead load. Reason R : The live loads are more uncertain than dead loads.

Select your answer based on the coding system given below:

A. Both A and R is true but R is not the correct explanation of A

B. A is true but R is false

C. Both A and R is true and R is the correct explanation of A

D. A is false but R is true

C. Both A and R is true and R is the correct explanation of A


Share This Post

Download Construction Excel Sheet

Scroll to Top
DMCA.com Protection Status