Strength of Materials A framed structure is perfect if it contains members equal to (where n = number of joints in a frame) n-l 2n-3 2n-l n-2 n-l 2n-3 2n-l n-2 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/% r/A r/2 0.134 r r/% r/A r/2 0.134 r ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The center of gravity of a triangle lies at the point of Intersection of diagonals Intersection of bisector of angles Concurrence of the medians Intersection of its altitudes Intersection of diagonals Intersection of bisector of angles Concurrence of the medians Intersection of its altitudes ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Kinetic friction is the Tangent of angle between normal reaction and the resultant of normal reaction and the limiting friction The friction force acting when the body is just about to move Ratio of limiting friction and normal reaction The friction force acting when the body is in motion Tangent of angle between normal reaction and the resultant of normal reaction and the limiting friction The friction force acting when the body is just about to move Ratio of limiting friction and normal reaction The friction force acting when the body is in motion ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials According to principle of transmissibility of forces, the effect of a force upon a body is Different at different points in its line of action Minimum when it acts at the C.G. of the body The same at every point in its line of action Maximum when it acts at the center of gravity of a body Different at different points in its line of action Minimum when it acts at the C.G. of the body The same at every point in its line of action Maximum when it acts at the center of gravity of a body ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The effort required to lift a load W on a screw jack with helix angle a and angle of friction<="" div=""> Wsin(a + <(>) Wtan(a + <)>) Wtan(a-<)>) Wcos(a + ) Wsin(a + <(>) Wtan(a + <)>) Wtan(a-<)>) Wcos(a + ) ANSWER DOWNLOAD EXAMIANS APP