Engineering Mechanics The rate of doing work is known as Power Kinetic energy None of these Potential energy Power Kinetic energy None of these Potential energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics For a self locking machine, the efficiency must be Equal to 50% Less than 50% Greater than 50% 1 Equal to 50% Less than 50% Greater than 50% 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The unit of force in S.I. system of units is Newton Dyne Watt Kilogram Newton Dyne Watt Kilogram ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics An ideal machine is one whose efficiency is Between 70 and 80% Between 80 and 90% 1 Between 60 and 70 % Between 70 and 80% Between 80 and 90% 1 Between 60 and 70 % ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following is an equation of linear motion?(where, u and v = Initial and final velocity of the body, a = Acceleration of the body, and s = Displacement of the body in time t seconds.) v = u + a.t v2 = u2 + 2a.s s = u.t + ½ a.t2 All of these v = u + a.t v2 = u2 + 2a.s s = u.t + ½ a.t2 All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resultant of two equal forces ‘P’ making an angle ‘θ’, is given by 2P cosθ/2 2P cotθ/2 2P sinθ/2 2P tanθ/2 2P cosθ/2 2P cotθ/2 2P sinθ/2 2P tanθ/2 ANSWER DOWNLOAD EXAMIANS APP