Engineering Mechanics A screw jack used for lifting the loads is A non-reversible machine An ideal machine None of these A reversible machine A non-reversible machine An ideal machine None of these A reversible machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a thin disc of mass ‘m’ and radius ‘r’, about an axis through its center of gravity and perpendicular to the plane of the disc is mr²/6 mr²/2 mr²/4 mr²/8 mr²/6 mr²/2 mr²/4 mr²/8 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 a4/12 a4/4 a4/8 a4/36 a4/12 a4/4 a4/8 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When the spring of a watch is wound, it will possess Strain energy Electrical energy Kinetic energy Heat energy Strain energy Electrical energy Kinetic energy Heat energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a single purchase crab winch can be increased by All of these Increasing the length of the handle Increasing the number of teeth of the pinion Increasing the radius of the load drum All of these Increasing the length of the handle Increasing the number of teeth of the pinion Increasing the radius of the load drum ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Two forces are acting at an angle of 120°. The bigger force is 40 N and the resultant is perpendicular to the smaller one. The smaller force is 20 N 40 N 120 N None of the listed here 20 N 40 N 120 N None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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