A. Modulus of rigidity
B. Angle of twist
C. Reciprocal of the length of the shaft
D. Moment of inertia of the shaft section
Related Mcqs:
- In a shaft, the shear stress is not directly proportional to_________________?
A. Radius of the shaft
B. Angle of twist
C. Length of the shaft
D. Modulus of rigidity - A shaft is subjected to bending moment M and a torque T simultaneously. The ratio of the maximum bending stress to maximum shear stress developed in the shaft, is____________________?
A. M/T
B. T/M
C. 2M/ T
D. 2T/M - A shaft rotating N.R.M. under a torque T, transmits a power_______________?
A. /30 Newton metres/sec
B. /30 Newton metres/min
C. /60 Newton metres/min
D. /60 Newton metres/sec - If and are external and internal diameters of a circular shaft respectively, its polar moment of inertia, is________________?
A. D4 – d4)
B. D4 – d4)
C. D4 – d4)
D. D4 – d4) - If the strain energy stored per unit volume in a hollow shaft subjected to a pure torque when t attains maximum shear stress fs the ratio of inner diameter to outer diameter, is 17/64 (f /N)s__________________?
A. 1/2
B. 1/3
C. 1/4
D. 1/5 - If a solid shaft (diameter 20 cm, length 400 cm, N = 0.8 × 105 N/mm2) when subjected to a twisting moment, produces maximum shear stress of 50 N/mm 2, the angle of twist in radians, is_________________?
A. 0.001
B. 0.002
C. 0.0025
D. 0.003 - A shaft subjected to a bending moment M and a torque T, experiences__________________?
A. Maximum bending stress = 32M d3
B. Maximum shear stress = 16 T d3
C. Both A. and B.
D. Neither A. nor B. - Pick up the correct statement from the following?
A. Hoop strain of the walls of a cylinder due to liquid is (pd/2tE) (1 – 1/2m)
B. Longitudinal strain in the walls of a cylinder due to liquid is (pd/2 tE) (1/2 – 1/m)
C. Volumetric change in the cylinder due to liquid is (pd/2tE) (5/2 – 2/m)
D. All the above - Pick up the correct statement from the following?
A. A wire wound in spiral form, is called a helical spring
B. The pitch of a close coil spring, is very small
C. The angle made by the coil with horizontal, is called the angle of helix
D. All the above - Pick up the correct statement from the following?
A. In a loaded beam, the moment at which the first yield occurs is called yield moment
B. In a loaded beam, the moment at which the entire section of the beam becomes fully plastic, is called plastic moment
C. In a fully plastic stage of the beam, the neutral axis divides the section in two sections of equal area
D. All the above
