Strength of Materials
A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal

density of metal can’t be determined
metal is twice as dense as unknown fluid
metal is twice as dense as water
metal will float in water

ANSWER DOWNLOAD EXAMIANS APP

Strength of Materials
Limiting force of friction is the

The friction force acting when the body is just about to move
Tangent of angle between normal reaction and the resultant of normal reaction and limiting friction
the friction force acting when the body is in motion
Ratio of limiting friction and normal reaction

ANSWER DOWNLOAD EXAMIANS APP