Engineering Mechanics Moment of inertia of a triangular section of base (b) and height (h) about an axis through its base, is bh3/36 bh3/8 bh3/12 bh3/4 bh3/36 bh3/8 bh3/12 bh3/4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Two balls of equal mass and of perfectly elastic material are lying on the floor. One of the balls with velocity ‘v’ is made to strike the second ball. Both the balls after impact will move with a velocity v v/2 v/4 v/8 v v/2 v/4 v/8 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio for the first system of pulleys is (where n is the number of pulleys.) n² 2n - 1 n 2n n² 2n - 1 n 2n ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The force required to move the body up the plane will be minimum if it makes an angle with the inclined plane __________ the angle of friction. Less than Equal to None of these Greater than Less than Equal to None of these Greater than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Center of gravity of a thin hollow cone lies on the axis at a height of One-fourth of the total height above base One-third of the total height above base Three-eighth of the total height above the base One-half of the total height above base One-fourth of the total height above base One-third of the total height above base Three-eighth of the total height above the base One-half of the total height above base ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The static friction Bears a constant ratio to the normal reaction between the two surfaces Is independent of the area of contact, between the two surfaces All of these Always acts in a direction, opposite to that in which the body tends to move Bears a constant ratio to the normal reaction between the two surfaces Is independent of the area of contact, between the two surfaces All of these Always acts in a direction, opposite to that in which the body tends to move ANSWER DOWNLOAD EXAMIANS APP
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