Strength of Materials A number of forces acting at a point will be in equilibrium if Sum of resolved parts in any two perpendicular directions are both zero Their total sum is zero Two resolved parts in two directions at right angles are equal All of them are inclined equally Sum of resolved parts in any two perpendicular directions are both zero Their total sum is 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 The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be 3r/2 r/2 2r/3 r/A 3r/2 r/2 2r/3 r/A ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is the locus of a point that moves in such a manner that its distance from a fixed point is equal to its distance from a fixed line multiplied by a constant greater than one ellipse parabola hyperbola circle ellipse parabola hyperbola circle ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of friction limiting friction repose kinematic friction friction limiting friction repose kinematic friction ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The product of either force of couple with the arm of the couple is called moment of the forces moment of the couple resultant couple resulting couple moment of the forces moment of the couple resultant couple resulting couple 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) 2n-l 2n-3 n-l n-2 2n-l 2n-3 n-l n-2 ANSWER DOWNLOAD EXAMIANS APP