Strength of Materials A framed structure is perfect if it contains members equal to (where n = number of joints in a frame) n-l 2n-l n-2 2n-3 n-l 2n-l n-2 2n-3 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials 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 10 kg, - ve sense 20 kg, + ve sense 20 kg, - ve sense 10 kg, + ve sense 10 kg, - ve sense 20 kg, + ve sense 20 kg, - ve sense 10 kg, + ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials According to principle of transmissibility of forces, the effect of a force upon a body is Maximum when it acts at the center of gravity of a body The same at every point in its line of action Different at different points in its line of action Minimum when it acts at the C.G. of the body Maximum when it acts at the center of gravity of a body The same at every point in its line of action Different at different points in its line of action Minimum when it acts at the C.G. of the body ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Limiting force of friction is the Ratio of limiting friction and normal reaction The friction force acting when the body is just about to move the friction force acting when the body is in motion Tangent of angle between normal reaction and the resultant of normal reaction and limiting friction Ratio of limiting friction and normal reaction The friction force acting when the body is just about to move the friction force acting when the body is in motion Tangent of angle between normal reaction and the resultant of normal reaction and limiting friction ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A force acting on a body may retard its motion change its motion All of the listed here introduce internal stresses retard its motion change its motion All of the listed here introduce internal stresses ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If a number of forces act simultaneously on a particle, it is possible To replace them by a couple Not a replace them by a single force To replace them by a single force To replace them by a single force through C.G. To replace them by a couple Not a replace them by a single force To replace them by a single force To replace them by a single force through C.G. ANSWER DOWNLOAD EXAMIANS APP
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