** Question No : 1**

In a belt drive, the pulley diameter is doubled, the belt tension and pulley width remaining same. The changes required in key will be

Increase key length

Increase key depth

Increase key width

Double all the dimensions

** Question No : 2**

The energy stored in a body when strained within elastic limit is known as

Resilience

Proof resilience

Strain energy

Impact energy

** Question No : 3**

Tensile strength of a material is obtained by dividing the maximum load during the test by the

Area at the time of fracture

Original cross-sectional area

Average of (A) and (B)

Minimum area after fracture

** Question No : 4**

A pressure vessel is said to be a thick shell, when

It is made of thick sheets

The internal pressure is very high

The ratio of wall thickness of the vessel to its diameter is less than 1/10.

The ratio of wall thickness of the vessel to its diameter is greater than 1/10.

** Question No : 5**

The ratio of the largest load in a test to the original cross-sectional area of the test piece is called

Elastic limit

Yield stress

Ultimate stress

Breaking stress

** Question No : 6**

The buckling load for a given material depends on

Slenderness ratio and area of cross-section

Poisson's ratio and modulus of elasticity

Slenderness ratio and modulus of elasticity

Slenderness ratio, area of cross-section and modulus of elasticity

** Question No : 7**

A simply supported beam with a gradually varying load from zero at B and w per unit length at A is shown in the below figure. The shear force at B is equal to

wl/6

wl/3

wl

2wl/3