# Torsional Rigidity MCQ Questions & Answers

Torsional Rigidity MCQs : This section focuses on the "Torsional Rigidity". These Multiple Choice Questions (MCQs) should be practiced to improve the Torsional Rigidity skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

Question 1

A circular shaft of diameter 30 mm is tested under torsion the gauge length of test specimen is 300 mm. A torque of 2kNm produces an angle twist of 1°. Calculate CJ.

A. 0.432 × 106 N/mm2
B. 0.324 × 106 N/mm2
C. 0.46 × 106 N/mm2
D. 0.532 × 106 N/mm2

Question 2

The intermediate support of a bridge superstructure is called as ___________

A. Abutment
B. Pier
C. Wing wall
D. Approach

Question 3

When the gross length is more than 6 metres between the face of abutment it is called as ________

A. Cause way
B. Bridge
C. Culvert
D. Cassion

Question 4

___________ piers are adopted for well foundations.

A. Masonry
B. RCC
C. Dumb bell
D. Pile bent

Question 5

The projection of the piers on the upstream side is known as ________

A. Cut waters
B. Ease waters
C. Sharp waters
D. Para waters

Question 6

_______ foundation is used when the depth of water is more.

A. Pile
B. Caisson
C. Raft

Question 7

__________ has perfect control on river flow.

A. Barrage
B. Weir
C. Marginal bunds
D. Guide banks

Question 8

___________ formula is used for calculating the depth of the foundation.

A. Gordon's
B. Rankine's
C. WH Smith's
D. Falcon

Question 9

The end support of a bridge is __________

A. Pier
B. Abutment
C. Wing wall
D. Approach

Question 10

_____________ foundation is used when bed soil is soft.

A. Raft
B. Pile
D. Well

Question 11

_______ piers are used, when the height of pier is large as in case of viaducts, fly overs.

A. Column Bent
B. Pile bent
C. Trestle bent
D. Abutment pier

Question 12

____________ piers are suitable when foundations are of steel cylinder caisson type.

A. Masonry
B. Trestle bent
C. Cylindrical
D. Pile

Question 13

The projection of the pier on the downstream side is known as ________

A. Ease water
B. Cut water
C. Bridge pier
D. Dumb pier

Question 14

A circular shaft of diameter 30 mm is tested under torsion the gauge length of test specimen is 300 mm. A torque of 2kNm produces an angle twist of 1°. Calculate CJ.

A. 0.432 Ã 106 N/mm2
B. 0.324 Ã 106 N/mm2
C. 0.46 Ã 106 N/mm2
D. 0.532 Ã 106 N/mm2

Question 15

________ should be taken below the deepest scour level.

A. Foundation
B. Sub structure
C. Structure
D. Parapet