Strength of Materials If a number of forces act simultaneously on a particle, it is possible To replace them by a couple To replace them by a single force Not a replace them by a single force To replace them by a single force through C.G. To replace them by a couple To replace them by a single force Not a replace them by a single force To replace them by a single force through C.G. ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The co-efficient of friction depends upon All of the listed here nature of surfaces area of contact shape of the surfaces All of the listed here nature of surfaces area of contact shape of the surfaces ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Pick up wrong statement about friction force for dry surfaces. Friction force is proportional to normal load between the surfaces proportional to velocity of sliding independent of the area of contact surfaces dependent on the materials of contact surface proportional to normal load between the surfaces proportional to velocity of sliding independent of the area of contact surfaces dependent on the materials of contact surface ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Frictional force encountered after commencement of motion is called post friction limiting friction dynamic friction frictional resistance post friction limiting friction dynamic friction frictional resistance 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 and wall both are rough sur-faces the floor is rough, the wall is smooth the floor and wall both are smooth surfaces the floor is smooth, the wall is rough the floor and wall both are rough sur-faces the floor is rough, the wall is smooth the floor and wall both are smooth surfaces the floor is smooth, the wall is rough ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If n = number of members andy = number of joints, then for a perfect frame, n = j-2 2/-3 (d)3/-2 (b)2j-l j-2 2/-3 (d)3/-2 (b)2j-l ANSWER DOWNLOAD EXAMIANS APP
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