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 rough sur-faces the floor and wall both are smooth surfaces the floor is smooth, the wall is rough the floor is rough, the wall is smooth the floor and wall both are rough sur-faces the floor and wall both are smooth surfaces the floor is smooth, the wall is rough ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Limiting force of friction is the The friction force acting when the body is just about to move 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 in motion The friction force acting when the body is just about to move 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 in motion ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A single force and a couple acting in the same plane upon a rigid body cannot balance each other produce moment of a couple are equivalent balance each other cannot balance each other produce moment of a couple are equivalent balance each other ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A heavy string attached at two ends at same horizontal level and when central dip is very small approaches the following curve elliptical parabola catenary hyperbola elliptical parabola catenary hyperbola ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A number of forces acting at a point will be in equilibrium if Their total sum is zero All of them are inclined equally Two resolved parts in two directions at right angles are equal Sum of resolved parts in any two perpendicular directions are both zero Their total sum is zero All of them are inclined equally Two resolved parts in two directions at right angles are equal Sum of resolved parts in any two perpendicular directions are both zero ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is the example of lever of first order? Pair of clinical tongs Pair of scissors All of the listed here Arm of man Pair of clinical tongs Pair of scissors All of the listed here Arm of man ANSWER DOWNLOAD EXAMIANS APP