STRENGTH OF MATERIALS QUIZ

Tangent of angle of friction is equal to

coefficient of friction

angle of repose

kinetic friction

limiting friction

TRUE ANSWER : ?
YOUR ANSWER : ?

If a suspended body is struck at the centre of percussion, then the pressure on die axis passing through the point of suspension will be

Infinity

Maximum

Zero

Minimum

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not a vector quantity

acceleration

weight

velocity

force

TRUE ANSWER : ?
YOUR ANSWER : ?

Center of gravity of a solid cone lies on the axis at the height

three-eighth of the total height above the base

one-half of the total height above base

one-third of the total height above base

one-fourth of the total height above base

TRUE ANSWER : ?
YOUR ANSWER : ?

When trying to turn a key into a lock, following is applied

non-coplanar forces

couple

moment

coplanar force

TRUE ANSWER : ?
YOUR ANSWER : ?

A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly

124 m

62.5 m

96 m

38 m

TRUE ANSWER : ?
YOUR ANSWER : ?

Coefficient of friction is the

angle between normal reaction and the resultant of normal reaction and the limiting friction

the friction force acting when the body is just about to move

ratio of limiting friction and normal reaction

the friction force acting when the body is in motion

TRUE ANSWER : ?
YOUR ANSWER : ?

The resultant of the following three couples 20 kg force, 0.5 m arm, + ve sense 30 kg force, 1 m arm, – ve sense 40 kg force, 0.25 m arm, + ve sense having arm of 0.5 m will be

20 kg, – ve sense

20 kg, + ve sense

10 kg, + ve sense

10 kg, – ve sense

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not the unit of power ?

hp (horse power)

kcal/kg sec.

kW (kilowatt)

kg m/sec

TRUE ANSWER : ?
YOUR ANSWER : ?

The C.G. of a right circular solid cone of height h lies at the following distance from the base

h/2

h/4

J/3

h/6

TRUE ANSWER : ?
YOUR ANSWER : ?