Engineering Mechanics The range of a projectile is maximum, when the angle of projection is 90° 30° 60° 45° 90° 30° 60° 45° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the width (b), is bd³/36 db³/12 bd³/12 db³/36 bd³/36 db³/12 bd³/12 db³/36 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A ladder is resting on a rough ground and leaning against a smooth vertical wall. The force of friction will act Perpendicular to the wall at its upper end Downward at its upper end Upward at its upper end Zero at its upper end Perpendicular to the wall at its upper end Downward at its upper end Upward at its upper end Zero at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of projectile will be maximum for a given velocity of projectile, when the angle of projection (α) is 45° + β/2 30° + β/2 β/2 60° + β/2 45° + β/2 30° + β/2 β/2 60° + β/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The acceleration of a body sliding down an inclined surface is g cosθ g sinθ None of these g tanθ g cosθ g sinθ None of these g tanθ ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following statement is incorrect? A machine whose efficiency is 100% is known as an ideal machine The velocity ratio of a machine is the ratio of load lifted to the effort applied The ratio of the limiting friction to the normal reaction is called coefficient of friction A force acting in the opposite direction to the motion of the body is called force of friction A machine whose efficiency is 100% is known as an ideal machine The velocity ratio of a machine is the ratio of load lifted to the effort applied The ratio of the limiting friction to the normal reaction is called coefficient of friction A force acting in the opposite direction to the motion of the body is called force of friction ANSWER DOWNLOAD EXAMIANS APP
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