Strength of Materials In ideal machines mechanical advantage is less than velocity ratio mechanical advantage is unity mechanical advantage is equal to velocity ratio mechanical advantage is greater than velocity ratio mechanical advantage is less than velocity ratio mechanical advantage is unity mechanical advantage is equal to velocity ratio mechanical advantage is greater than velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A particle inside a hollow sphere of radius r, having coefficient of friction -rr can rest upto height of r/% 0.134 r r/2 r/A r/% 0.134 r r/2 r/A 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 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 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials D Alembert’s principle is used for reducing the problem of kinetics to equivalent statics problem determining stresses in the truss designing safe structures stability of floating bodies reducing the problem of kinetics to equivalent statics problem determining stresses in the truss designing safe structures stability of floating bodies 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 friction repose kinematic friction limiting friction friction repose kinematic friction limiting friction ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Coefficient of friction is the angle between normal reaction and the resultant of normal reaction and the limiting friction ratio of limiting friction and normal reaction the friction force acting when the body is in motion the friction force acting when the body is just about to move angle between normal reaction and the resultant of normal reaction and the limiting friction ratio of limiting friction and normal reaction the friction force acting when the body is in motion the friction force acting when the body is just about to move ANSWER DOWNLOAD EXAMIANS APP