Hollow shafts are stronger than solid shafts having same weight becaus

1.	Hollow shafts are stronger than solid shafts having same weight because
A.	the stiffness of hollow shaft is less than that of solid shaft.
B.	the strength of hollow shaft is more than that of solid shaft.
C.	the natural frequency of hollow shaft is less than that of solid shaft.
D.	in hollow shafts, material is not spread at large radius.
Answer» C. the natural frequency of hollow shaft is less than that of solid shaft.

Discussion

No Comment Found

Related MCQs

A propeller shaft is required to transmit 45 kW power at 500 r.p.m. It is hollow shaft having inside diameter 0.6 times the outside diameter. It is made of plain carbon steel and the permissible shear stress is 84 N/mm2. The inner and outer diameters of the shaft are nearly
A shaft rotating at 150 rpm is subjected to a torque of 1500 N.m. Horse power transmitted by the shaft is
A circular shaft of diameter d and length l is subjected to a torque T and a bending moment M. The ratio of maximum shear stress to bending stress is:
Hollow shafts are stronger than solid shafts having same weight because
Power transmitted by a shaft is given by expression _______ in kilowatts
A solid circular shaft needs to be designed to transmit a torque of 55 N m. if the allowable shear stress of the material is 280 N/mm2, find the diameter (in mm) of the shaft required to transmit the torque. (Assume, π = 22/7)
A circular shaft subjected to torsion undergoes a twist of 1° in length of 120 cm. If the maximum shear stress induced is limited to 1000 kg/cm2 and if modulus of rigidity G = 0.8 × 106 kg/cm2, then the radius of the shaft (in cm) should be
For the same cross sectional area (or weight), ________ shafts have higher strength and rigidity than _______ shafts.
A bar of circular cross-section of diameter D is subject to a torque T at B as shown in figure given below.What is the angle of twist at A with respect to B ?
A solid circular beam with a radius of 0.25 m and length of 2 m is subjected to a twisting moment of 20 kNm about the z-axis at the free end, which is the only load acting as shown in the figure. The shear stress component τxy at point ‘M’ in cross-section of the beam at a distance of 1 m from the fixed end is

Hollow shafts are stronger than solid shafts having same weight because

Discussion

No Comment Found

Related MCQs

Reply to Comment