Strength of Materials A number of forces acting at a point will be in equilibrium if Their total sum is zero Sum of resolved parts in any two perpendicular directions are both zero Two resolved parts in two directions at right angles are equal All of them are inclined equally Their total sum is zero Sum of resolved parts in any two perpendicular directions are both zero Two resolved parts in two directions at right angles are equal All of them are inclined equally ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials According to principle of transmissibility of forces, the effect of a force upon a body is The same at every point in its line of action Different at different points in its line of action Maximum when it acts at the center of gravity of a body Minimum when it acts at the C.G. of the body The same at every point in its line of action Different at different points in its line of action Maximum when it acts at the center of gravity of a body Minimum when it acts at the C.G. of the body ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials D Alembert’s principle is used for stability of floating bodies designing safe structures reducing the problem of kinetics to equivalent statics problem determining stresses in the truss stability of floating bodies designing safe structures reducing the problem of kinetics to equivalent statics problem determining stresses in the truss ANSWER DOWNLOAD EXAMIANS APP
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 is smooth, the wall is rough the floor and wall both are smooth surfaces the floor and wall both are rough sur-faces the floor is rough, the wall is smooth the floor is smooth, the wall is rough the floor and wall both are smooth surfaces the floor and wall both are rough sur-faces ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Two coplanar couples having equal and opposite moments Balance each other Are equivalent Produce a couple and an unbalanced force Produce a moment of couple Balance each other Are equivalent Produce a couple and an unbalanced force Produce a moment of couple ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of energy kcal watt hours kg m wattr kcal watt hours kg m wattr ANSWER DOWNLOAD EXAMIANS APP
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