Engineering Mechanics The efficiency of a lifting machine is the ratio of All of these Output to the input Mechanical advantage to the velocity ratio Work done by the machine to the work done on the machine All of these Output to the input Mechanical advantage to the velocity ratio Work done by the machine to the work done on the machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a given force (or a given system of forces) acting on a body __________ the position of the body, but keeps it in equilibrium, then its effect is to produce internal stress in the body. Change Changes periodically None of these Does not change Change Changes periodically None of these Does not change ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The power developed by a body acted upon by a torque 'T' Newton meter (N - m) and revolving at ω radian/s is given by T.ω/4500 (in kilowatts) T.ω/60 (in watts) T.ω (in watts) T.ω/75 (in kilowatts) T.ω/4500 (in kilowatts) T.ω/60 (in watts) T.ω (in watts) T.ω/75 (in kilowatts) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the centre of circular plate 1.0 cm 2.5 cm 0.5 cm 1.5 cm 1.0 cm 2.5 cm 0.5 cm 1.5 cm ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The angle between two forces when the resultant is maximum and minimum respectively are 90° and 180° 180° and 0° 90° and 0° 0° and 180° 90° and 180° 180° and 0° 90° and 0° 0° and 180° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics During elastic impact, the relative velocity of the two bodies after impact is __________ the relative velocity of the two bodies before impact. Equal to Greater than Equal and opposite to Less than Equal to Greater than Equal and opposite to Less than ANSWER DOWNLOAD EXAMIANS APP
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