Engineering Mechanics The range of projectile will be maximum for a given velocity of projectile, when the angle of projection (α) is 60° + β/2 45° + β/2 β/2 30° + β/2 60° + β/2 45° + β/2 β/2 30° + β/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics An ideal machine is one whose efficiency is Between 60 and 70 % 1 Between 80 and 90% Between 70 and 80% Between 60 and 70 % 1 Between 80 and 90% Between 70 and 80% ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The ratio of static friction to dynamic friction is always Less than one Greater than one Equal to one None of these Less than one Greater than one Equal to one None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The energy possessed by a body, for doing work by virtue of its position, is called Chemical energy Potential energy Electrical energy Kinetic energy Chemical energy Potential energy Electrical energy Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be Perpendicular to the wall at its upper end Zero at its upper end Upwards at its upper end Downwards at its upper end Perpendicular to the wall at its upper end Zero at its upper end Upwards at its upper end Downwards at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Center of gravity of a thin hollow cone lies on the axis at a height of One-third of the total height above base One-half of the total height above base One-fourth of the total height above base Three-eighth of the total height above the base One-third of the total height above base One-half of the total height above base One-fourth of the total height above base Three-eighth of the total height above the base ANSWER DOWNLOAD EXAMIANS APP