Question 1

A composite section made of two materials has Young's modulus 1:2 and length 2:1 the ratio of stress will be

Accepted Answer

1:4

Answer

1:2

Answer

4:1

Answer

2:1

Question 2

The inherent property of a body which offers resistance to changes in the state of rest or of uniform motion is

Accepted Answer

inertia

Answer

momentum

Answer

weight

Answer

mass

Question 3

Mercury is used in barometer on account of its

Accepted Answer

both high density and low vapour pressure

Answer

high density

Answer

low compressibility

Answer

low vapour pressure

Question 4

Scissors is an example for

Accepted Answer

first order lever

Answer

third order lever

Answer

second order lever

Answer

curved lever

Question 5

Young's modulus is

Accepted Answer

tensile stress/tensile strain

Answer

strain/stress

Answer

shear stress/shear strain

Answer

volumetric stress/volumetric strain

Question 6

The pressure in meters of oil (having specific gravity 0.85) equivalent to 85 m of water is

Accepted Answer

100 m

Answer

85 m

Answer

850 m

Answer

8.5 m

Question 7

The property of material to resist penetration by another material is called

Accepted Answer

hardness

Answer

toughness

Answer

resilience

Answer

stiffness

Question 8

The ratio of total surface area of a sphere to that of a hemisphere is

Accepted Answer

4:3

Answer

2:1

Answer

1:2

Answer

4:1

Question 9

ForceX velocity =

Accepted Answer

power

Answer

energy

Answer

torque

Answer

work

Question 10

The Young's modulus of elasticity of a perfectly rigid body is

Accepted Answer

infinity

Answer

zero

Answer

unity

Answer

some finite non-zero constant

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