Strength of Materials A framed structure is perfect if it contains members equal to (where n = number of joints in a frame) n-l n-2 2n-3 2n-l n-l n-2 2n-3 2n-l 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 In actual machines mechanical advantage is less than velocity ratio mechanical advantage is greater than velocity ratio mechanical advantage is unity mechanical advantage is equal to velocity ratio mechanical advantage is less than velocity ratio mechanical advantage is greater than velocity ratio mechanical advantage is unity mechanical advantage is equal to velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which one of the following statements is not correct the angle of repose is equal to angle of friction the sine of the angle of repose is equal to coefficient to friction the tangent of the angle of repose is equal to coefficient of friction the tangent of the angle of friction is equal to coefficient of friction the angle of repose is equal to angle of friction the sine of the angle of repose is equal to coefficient to friction the tangent of the angle of repose is equal to coefficient of friction the tangent of the angle of friction is equal to coefficient of friction 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 single force through C.G. To replace them by a single force To replace them by a couple Not a replace them by a single force To replace them by a single force through C.G. To replace them by a single force To replace them by a couple Not a replace them by a single force 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 2r/3 3r/2 r/A r/2 2r/3 3r/2 r/A r/2 ANSWER DOWNLOAD EXAMIANS APP