Free Printable Torsion

1.

This is an example of what type of force?

a)

Shear

b)

Torsion

c)

Compression

d)

Tension

e)

Bending

2.

Which parameter is not related angle of twist?

a)

Member's length

b)

Polar moment of inertia

c)

Shear modulus

d)

Elastic modulus

3.

If the angle of twist is small, the length of the shaft and its radius will remain unchanged.

a)

True

b)

False

4.

The unit of modulus of elasticity is same as those of

a)

stress, pressure and modulus of rigidity

b)

stress, force and modulus of rigidity stress

c)

strain and pressure strain

d)

strain,force and pressure

5.

The product of the tangential force acting on the shaft and its distance from the axis of the shaft (i.e. radius of shaft) is known as

a)

flexural rigidity

b)

torsional rigidity

c)

bending moment

d)

twisting moment

6.

In the torsion equation the term J/R is called

a)

shear modulus

b)

section modulus

c)

polar modulus

d)

none of these

7.

The section modulus of a circular section about an axis through its C.G., is

a)

πd²/4

b)

πd²/16

c)

πd³/16

d)

πd³/32

8.

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

a)

zero

b)

minimum

c)

Maximum

d)

Infinity

9.

The formula for Torsional stiffness is

a)

$\frac{CJ}{L}$

b)

$\frac{L}{CJ}$

c)

$\frac{J}{R}$

d)

$\frac{C\theta}{L}$

10.

The torque transmitted in a hollow shaft can be calculated from

a)

$\frac{\pi}{16}\times\tau\times\frac{\left(D_o^3-D_i^3\right)}{D_o}$

b)

$\frac{\pi}{16}\times\tau\times\frac{\left(D_o^4-D_i^4\right)}{D_o}$

c)

$\frac{\pi}{16}\times\tau\times\frac{\left(D_o^4-D_i^4\right)}{D_i}$

d)

$\frac{\pi}{16}\times\tau\times D^3$

Torsion_1

Total questions: 10

Worksheet time: 5mins

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