## MCQs

Total Questions : 149 | Page 15 of 15 pages
Question 141. What are the units of torsional rigidity?
1.    Nmm²
2.    N/mm
3.    N-mm
4.    N
Answer: Option A. -> Nmm²
Question 142. ________ is a measure of the strength of shaft in rotation.
1.    Torsional modulus
2.    Sectional modulus
3.    Polar modulus
4.    Torsional rigidity
Answer: Option C. -> Polar modulus
Question 143. The power transmitted by shaft SI system is given by __________
1.    2πNT/60
2.    3πNT/60
3.    2πNT/45
4.    NT/60 W
Answer: Option A. -> 2πNT/60
Question 144. The angle of twist can be written as ________
1.    TL/J
2.    CJ/TL
3.    TL/CJ
4.    T/J
Answer: Option C. -> TL/CJ
Question 145. The intensity of shear stress at a section is ______ to the distance of the section from the axis of the shaft.
1.    Inversely proportional
2.    Directly proportional
3.    Equal
4.    Parallel
Answer: Option B. -> Directly proportional
Question 146. The hollow shaft will transmit greater _______ then the solid shaft of the same weight.
1.    Bending moment
2.    Shear stress
3.    Torque
4.    Sectional Modulus
Answer: Option C. -> Torque
Question 147. The shear stress is ____________ at the axis of the shaft.
1.    Minimum
2.    Maximum
3.    Zero
4.    Uniform
Answer: Option C. -> Zero
Question 148. The process of measurement of discharge and water level of a river is called _________
1.    Meandering
2.    River coursing
3.    River gauging
4.    Scouring
Answer: Option C. -> River gauging