Engineering Mechanics The angular velocity (in rad/s) of a body rotating at N revolutions per minute is πN/180 2πN/180 2πN/60 πN/60 πN/180 2πN/180 2πN/60 πN/60 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum efficiency of a screw jack is (1 - tanφ)/(1 + tanφ) (1 + tanφ)/(1 - tanφ) (1 + sinφ)/(1 - sinφ) (1 - sinφ)/(1 + sinφ) (1 - tanφ)/(1 + tanφ) (1 + tanφ)/(1 - tanφ) (1 + sinφ)/(1 - sinφ) (1 - sinφ)/(1 + sinφ) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is Non-reversible None of these Ideal Reversible Non-reversible None of these Ideal Reversible ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The bodies which rebound after impact are called Inelastic bodies Neither elastic nor inelastic bodies None of these Elastic bodies Inelastic bodies Neither elastic nor inelastic bodies None of these Elastic bodies ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A particle moves along a straight line such that distance (x) traversed in 't' seconds is given by x = t² (t - 4), the acceleration of the particle will be given by the equation 6f - 4 6t² - 8t 6f - 8 3t² + 2t 6f - 4 6t² - 8t 6f - 8 3t² + 2t ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When the spring of a watch is wound, it will possess Strain energy Kinetic energy Heat energy Electrical energy Strain energy Kinetic energy Heat energy Electrical energy ANSWER DOWNLOAD EXAMIANS APP