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 metal is twice as dense as water metal will float in water 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 density of metal can’t be determined metal is twice as dense as unknown fluid ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The product of either force of couple with the arm of the couple is called resultant couple resulting couple moment of the couple moment of the forces resultant couple resulting couple moment of the couple moment of the forces ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if the floor is smooth, the wall is rough the floor is rough, the wall is smooth the floor and wall both are rough sur-faces the floor and wall both are smooth surfaces the floor is smooth, the wall is rough the floor is rough, the wall is smooth the floor and wall both are rough sur-faces the floor and wall both are smooth surfaces ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Two coplanar couples having equal and opposite moments Are equivalent Produce a couple and an unbalanced force Balance each other Produce a moment of couple Are equivalent Produce a couple and an unbalanced force Balance each other Produce a moment of couple ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Pick up wrong statement about friction force for dry surfaces. Friction force is dependent on the materials of contact surface proportional to velocity of sliding proportional to normal load between the surfaces independent of the area of contact surfaces dependent on the materials of contact surface proportional to velocity of sliding proportional to normal load between the surfaces independent of the area of contact surfaces ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be r/A 3r/2 2r/3 r/2 r/A 3r/2 2r/3 r/2 ANSWER DOWNLOAD EXAMIANS APP
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