MCQs of Design Against Static Load (Fundamentals of Machine Design - 3141907)

Fundamentals of Machine Design (3141907) MCQs

MCQs of Design Against Static Load

Showing 11 to 20 out of 38 Questions

11.

The planes, which carry no shear stress, are known as principal planes.

(a)	True
(b)	False

12.

A body is subjected to two normal stresses

20 k N / m^{2}

(tensile) and

10 k N / m^{2}

(compressive) acting perpendicular to each other. The maximum shear stress is

(a)	$5 k N / m^{2}$
(b)	$10 k N / m^{2}$
(c)	$15 k N / m^{2}$
(d)	$20 k N / m^{2}$

13.

When a body is subjected to direct tensile stress (σ) in one plane, the maximum shear stress is __________ the maximum normal stress.

(a)	equal to
(b)	one-half
(c)	two-third
(d)	twice

14.

The resultant stress on an inclined plane which is inclined at an angle θ to the normal cross-section of a body which is subjected to a direct tensile stress (σ) in one plane, is

(a)	$σ \sin θ$
(b)	$σ \cos θ$
(c)	$σ \sin 2 θ$
(d)	$σ \cos 2 θ$

15.

Mohr's circle is used to determine the stresses on an oblique section of a body subjected to

(a)	direct tensile stress in one plane accompanied by a shear stress
(b)	direct tensile stress in two mutually perpendicular directions
(c)	direct tensile stress in two mutually perpendicular directions accompanied by a simple shear stress
(d)	all of the above

16.

The maximum shear stress is equal to the radius of Mohr's circle.

(a)	Correct
(b)	Incorrect

17.

In Mohr's circle, the centre of circle from Y-axis is taken as

(a)	$\frac{σ_{x} - σ_{y}}{2}$
(b)	$\frac{σ_{x} + σ_{y}}{2}$
(c)	$\frac{σ_{x} - σ_{y}}{2} + τ$
(d)	$\frac{σ_{x} + σ_{y}}{2} + τ$

18.

A cotter joint is used to transmit

(a)	axial tensile load only
(b)	axial compressive load only
(c)	combined axial and twisting loads
(d)	axial tensile or compressive loads

19.

A cotter joint is used to connect two __________ rods.

(a)	co-axial
(b)	perpendicular
(c)	parallel

20.

The taper on cotter and slot is made on both sides.

(a)	Agree
(b)	Disagree

Showing 11 to 20 out of 38 Questions