Strength of Materials Two coplanar couples having equal and opposite moments Are equivalent Produce a moment of couple Balance each other Produce a couple and an unbalanced force Are equivalent Produce a moment of couple Balance each other Produce a couple and an unbalanced force ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Dynamic friction as compared to static friction is may be less of more depending on nature of surfaces and velocity same less more may be less of more depending on nature of surfaces and velocity same less more 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-2 2n-3 2n-l n-l n-2 2n-3 2n-l n-l ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Limiting force of friction is the Ratio of limiting friction and normal reaction Tangent of angle between normal reaction and the resultant of normal reaction and limiting friction The friction force acting when the body is just about to move the friction force acting when the body is in motion Ratio of limiting friction and normal reaction Tangent of angle between normal reaction and the resultant of normal reaction and limiting friction The friction force acting when the body is just about to move the friction force acting when the body is in motion ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If a rigid body is in equilibrium under the action of three forces, then the lines of action of these forces are parallel the lines of action of these forces meet in a point & the lines of action of these forces are parallel the lines of action of these forces meet in a point these forces are equal the lines of action of these forces are parallel the lines of action of these forces meet in a point & the lines of action of these forces are parallel the lines of action of these forces meet in a point these forces are equal ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials According to principle of transmissibility of forces, the effect of a force upon a body is Maximum when it acts at the center of gravity of a body The same at every point in its line of action Minimum when it acts at the C.G. of the body Different at different points in its line of action Maximum when it acts at the center of gravity of a body The same at every point in its line of action Minimum when it acts at the C.G. of the body Different at different points in its line of action ANSWER DOWNLOAD EXAMIANS APP