Engineering Mechanics The range of a projectile is maximum, when the angle of projection is 30° 60° 90° 45° 30° 60° 90° 45° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a solid cone of mass ‘m’ and base radius ‘r’ about its vertical axis is 3mr²/10 2mr²/5 3mr²/5 4mr²/5 3mr²/10 2mr²/5 3mr²/5 4mr²/5 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a square of side (a) about an axis through its center of gravity is a4/36 a4/4 a4/8 a4/12 a4/36 a4/4 a4/8 a4/12 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following statement is incorrect? The velocity ratio of a machine is the ratio of load lifted to the effort applied A machine whose efficiency is 100% is known as an ideal machine A force acting in the opposite direction to the motion of the body is called force of friction The ratio of the limiting friction to the normal reaction is called coefficient of friction The velocity ratio of a machine is the ratio of load lifted to the effort applied A machine whose efficiency is 100% is known as an ideal machine A force acting in the opposite direction to the motion of the body is called force of friction The ratio of the limiting friction to the normal reaction is called coefficient of friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The amplitude is always __________ radius of the circle. Greater than None of these Equal to Less than Greater than None of these Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Efficiency of a screw jack is given by (where α = Helix angle, and φ = Angle of friction.) tan(α + φ)/tanα tanα/tan (α + φ) tan(α - φ)/tanα None of these tan(α + φ)/tanα tanα/tan (α + φ) tan(α - φ)/tanα None of these ANSWER DOWNLOAD EXAMIANS APP
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