Civil Engineering  Strength of Materials
Exercise :: Strength of Materials  Section 4
1. 
The bending moment is maximum on a section where shearing force 
A. 
is maximum  B. 
is minimum  C. 
is equal  D. 
changes sign. 
Answer: Option D
Explanation:

2. 
Pick up the correct statement from the following : 
A. 
The rate of change of bending moment is equal to rate of shear force  B. 
The rate of change of shear force is equal to rate of loading  C. 
neither (a) nor (b)  D. 
both (a) and (b). 
Answer: Option D
Explanation:

3. 
A short masonry pillar is 60 cm x 60 cm in crosssection, the core of the pillar is a square whose side is 
A. 
17.32 cm  B. 
14.14 cm  C. 
20.00 cm  D. 
22.36 cm  E. 
25.22 cm. 
Answer: Option B
Explanation:

4. 
A rectangular log of wood is floating in water with a load of 100 N at its centre. The maximum shear force in the wooden log is 
A. 
50 N at each end  B. 
50 N at the centre  C. 
100 N at the centre  D. 
none of these. 
Answer: Option C
Explanation:

5. 
The following assumption is not true in the theory of pure torsion : 
A. 
The twist along the shaft is uniform  B. 
The shaft is of uniform circular section throughout  C. 
Crosssection of the shaft, which is plane before twist remains plane after twist  D. 
All radii get twisted due to torsion. 
Answer: Option D
Explanation:
