Engineering Mechanics The velocity ratio of a simple wheel and axle with D and d as the diameters of effort wheel and load axle, is D + d D × d D / d D - d D + d D × d D / d D - d ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum frictional force, which comes into play, when a body just begins to slide over the surface of the other body, is known as Static friction Dynamic friction Coefficient of friction Limiting friction Static friction Dynamic friction Coefficient of friction Limiting friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A screw jack used for lifting the loads is An ideal machine A reversible machine None of these A non-reversible machine An ideal machine A reversible machine None of these A non-reversible machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Centre of gravity of a solid cone lies on the axis at the height Three eighth of the total height above the base One fourth of the total height above base One third of the total height above base One-half of the total height above base Three eighth of the total height above the base One fourth of the total height above base One third of the total height above base One-half of the total height above base ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a rectangular section 3 cm wide and 4 cm deep about X-X axis is 9 cm4 16 cm4 20 cm4 12 cm4 9 cm4 16 cm4 20 cm4 12 cm4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a square of side a about its diagonal is a⁴/12 a²/8 a⁴/16 a³/12 a⁴/12 a²/8 a⁴/16 a³/12 ANSWER DOWNLOAD EXAMIANS APP