D:-All of the above
Correct Answer:- Option-D
Question29:-In a compound lever, the leverages of all the simple levers is
A:-Added
B:-Subtracted
C:-Multiplied
D:-Divided
Correct Answer:- Option-C
Question30:-The force of friction between two bodies, one lying above the other, depends upon the roughness of the
A:-area of their contact
B:-relative velocity between them
C:-is always normal to the surface of their contact
D:-all of the above
Correct Answer:- Option-A
Question31:-According to Lami's theorem, the three forces
A:-must be equal
B:-must be at 120° to each other
C:-must be both of above
D:-may not be any of the two
Correct Answer:- Option-D

Question32:-The centre of gravity of hemisphere lies at a distance of from its base.
A: (3r)/8°
5:- (3/8:

(803:
0:-`8/(3/)7
Correct Answer:- Option-A
Question33:-The bending moment at the free end of a cantilever beam carrying any type of load is
A:-Zero
B:-Minimum
:-Maximum
D:-Equal to the load
Correct Answer:- Option-A
Question34:-An inverted T section is subjected to shear force F. The maximum shear stress will occur at
A:-Top of the section
-Neutral axis of the section
C:-Junction of web and flange
D:-None of these
Correct Answer:- Option-B
Question35:-When a solid shaft is subjected to torsion, the shear stress induced in the shaft at its centre is
A:-Zero
-Minimum
C:-Maximum
D:-Average
Correct Answer:- Option-A
Question36:-The relation between Youngs modulus (E) Shear modulus (C) and Bulk modulus (K) is given by
‏د عنم‎ (3KC)/(3K + C)*
YE = (6KC)/(3K + ©)
:- £ = (QKC)/(3K + C)”
D:-E = (12KC)/(3K + C)*
Correct Answer:- Option-C
Question37:-A localised compressive stress at the area of contact between two members is known as
A:-tensile stress
-crushing stress
C:-bending stress
D:-shear stress
Correct Answer:- Option-B
Question38:-The total strain energy stored in a body is termed as
A--Resilience
B:-Proof of resilience