A solid circular shaft carries a torque of 50 Nm. If the allowable shear stress of the material is 140 MPa, assuming factor of safety 2, the minimum diameter required for the shaft is

Calculate the value of shear stress (MPa) in the solid circular shaft of diameter 0.1 m which is subjected to the torque of 10 kN-m.

If a body is transmitting torque T N - m at N rpm, then power (in Watts) transmitted will be:-

A circular shaft is subjected to a twisting moment T and bending moment M. The ratio of Maximum bending stress to Maximum shear stress is given by:

Maximum shear stress in a hollow shaft subjected to a torsional moment is at the

In case of shaft, the torque per radian twist is known as:

Shaft is subjected to which of the following stresses?

The safe twisting moment for a compound shaft is equal to the.

Torsion bars are in parallel

In case of a circular section the section modulus is given as

Maximum shear stress developed on the surface of a solid circular shaft under pure torsion is 160 MPa. If the shaft diameter is doubled, then the maximum shear stress developed corresponding to the same torque will be:

A shaft is subjected to the combined bending load 'M' and torsional load T. If the permissible shear stress is'ζ', the diameter 'd' of the shaft will be calculated by the relation

When a shaft is subjected to combined twisting moment (T) and bending moment (M), the equivalent bending moment is equal to

The outside diameter of a hollow shaft is thrice to its inside diameter. The ratio of its torque carrying capacity to that of a solid shaft of the same material and the same outside diameter is:

According to pure bending theory, which of the following claims is factually incorrect?

If a shaft turns at 150 rpm under a torque of 1500 Nm, then power transmitted is

For a shaft transmitting power 'P' at rpm N, the diameter of shaft would be proportional to

The diameter of shaft A is thrice that of the diameter of shaft B. Power transmitted by shaft A when compared to shaft B will be

A shaft is subjected to combined bending and torsional moments of 6 kN-m and 10 kN-m respectively. The equivalent torque will be equal to

Two shafts A and B are made of the same material. The diameter of shaft B is thrice that of shaft A. What is the ratio of power which can be transmitted by A to power that can be transmitted by shaft B?

For a long narrow cross-section (i.e., ratio of b/t, breadth b and thickness t above 10) bar subjected to torsion T, the value of maximum shear stress will be

A solid circular shaft of 40 mm diameter transmits a torque of 3200 N-m. The value of maximum stress developed is

The twisting moment of a circular shaft increases when:

Which of the following conditions is INCORRECT for the shafts connected in series to each other?

The shear stress at the centre of a circular shaft under torsion is

Which of the following conditions is TRUE for the shafts connected in series to each other?

A solid circular shaft of 4 cm in diameter is subjected to a shear stress of 20 kN/cm, then the value of twisting moment (kN-cm) will be:

Consider the following relation for the torsional stiffness (Кт)

1. $K_T=\frac {T}{\theta}$

2. $K_T=\frac {GJ}{L}$

3. $K_T=\frac {G\theta}{L}$

Consider the torsion equation given below.

$\frac TJ=\frac{\tau}{R}=\frac{G\theta}{L}$

What the term J/R represents in the above equation?

A shaft of 50 mm diameter and 0.7 m long is subjected to a torque of 1200 Nm. Calculate the shear stress.

Consider a long tube of 25 mm outside diameter (do) and of 20 mm inside diameter (di) twisted about its longitudinal axis with a torque T of 45 N-m. The polar moment of inertia of the hollow tube is-

The torsional rigidity of a shaft is expressed by the-

The moment of inertia of a solid cylinder of mass 'm', radius 'R' and length l' about the longitudinal axis or polar axis is-

Challenger App

No.1 PSC Learning App