Strength of Materials A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if 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 the floor and wall both are rough sur-faces ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Two coplanar couples having equal and opposite moments Produce a couple and an unbalanced force Balance each other Produce a moment of couple Are equivalent Produce a couple and an unbalanced force Balance each other Produce a moment of couple Are equivalent ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The center of gravity of a triangle lies at the point of Intersection of bisector of angles Intersection of its altitudes Intersection of diagonals Concurrence of the medians Intersection of bisector of angles Intersection of its altitudes Intersection of diagonals Concurrence of the medians ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If a suspended body is struck at the centre of percussion, then the pressure on die axis passing through the point of suspension will be Maximum Zero Infinity Minimum Maximum Zero Infinity Minimum ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Dynamic friction as compared to static friction is same less may be less of more depending on nature of surfaces and velocity more same less may be less of more depending on nature of surfaces and velocity more ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of work, energy and heat ? kWhr hp kcal kg m kWhr hp kcal kg m ANSWER DOWNLOAD EXAMIANS APP