Strength of Materials A single force and a couple acting in the same plane upon a rigid body cannot balance each other are equivalent produce moment of a couple balance each other cannot balance each other are equivalent produce moment of a couple balance each other ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The magnitude of two forces, which when acting at right angle produce resultant force of VlOkg and when acting at 60° produce resultant of Vl3 kg. These forces are 2 and 5 3 and 1 kg 2 and V6 V5 and V5 2 and 5 3 and 1 kg 2 and V6 V5 and V5 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The effort required to lift a load W on a screw jack with helix angle a and angle of friction<="" div=""> Wcos(a + ) Wsin(a + <(>) Wtan(a-<)>) Wtan(a + <)>) Wcos(a + ) Wsin(a + <(>) Wtan(a-<)>) Wtan(a + <)>) ANSWER DOWNLOAD EXAMIANS APP
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 In ideal machines 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 mechanical advantage is less than velocity ratio mechanical advantage is greater than velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of kinematic friction limiting friction repose friction kinematic friction limiting friction repose friction ANSWER DOWNLOAD EXAMIANS APP