Engineering Mechanics A screw jack used for lifting the loads is A reversible machine None of these A non-reversible machine An ideal machine A reversible machine None of these A non-reversible machine An ideal machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The energy possessed by a body, for doing work by virtue of its position, is called Potential energy Chemical energy Electrical energy Kinetic energy Potential energy Chemical energy Electrical energy Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a number of forces are acting at a point, their resultant is given by (∑V)2 + (∑H)2 √[(∑V)2 + (∑H)2] (∑V)2 +(∑H)2 +2(∑V)(∑H) √[(∑V)2 +(∑H)2 +2(∑V)(∑H)] (∑V)2 + (∑H)2 √[(∑V)2 + (∑H)2] (∑V)2 +(∑H)2 +2(∑V)(∑H) √[(∑V)2 +(∑H)2 +2(∑V)(∑H)] ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Static friction is always __________ dynamic friction. Greater than Equal to None of these Less than Greater than Equal to None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The horizontal range of a projectile (R) is given by R = u² sin2α/g R = u² cos2α/g R = u² cosα/g R = u² sinα/g R = u² sin2α/g R = u² cos2α/g R = u² cosα/g R = u² sinα/g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio in case of an inclined plane inclined at angle 'θ' to the horizontal and weight being pulled up the inclined plane by vertical effort is sinθ cosθ cosecθ tanθ sinθ cosθ cosecθ tanθ ANSWER DOWNLOAD EXAMIANS APP
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