Engineering Mechanics The maximum efficiency of a lifting machine is 1/(m × V.R.) m/V.R. 1/m V.R./m 1/(m × V.R.) m/V.R. 1/m V.R./m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A block of mass 20 kg lying on a rough horizontal plane is connected by a light string passing over a smooth pulley to another mass 5 kg, which can move freely in the Vertical direction, as shown in the below figure. The tension in the string will ___________ with the increase in coefficient of friction. Not be effected Increase None of these Decrease Not be effected Increase None of these Decrease ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The slope on the road surface generally provided on the curves is known as Angle of friction None of these Angle of repose Angle of banking Angle of friction None of these Angle of repose Angle of banking ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The bodies which rebound after impact are called None of these Elastic bodies Inelastic bodies Neither elastic nor inelastic bodies None of these Elastic bodies Inelastic bodies Neither elastic nor inelastic bodies ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The energy possessed by a body, for doing work by virtue of its position, is called Kinetic energy Potential energy Chemical energy Electrical energy Kinetic energy Potential energy Chemical energy Electrical energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum efficiency of a screw jack is (1 + sinφ)/(1 - sinφ) (1 - tanφ)/(1 + tanφ) (1 - sinφ)/(1 + sinφ) (1 + tanφ)/(1 - tanφ) (1 + sinφ)/(1 - sinφ) (1 - tanφ)/(1 + tanφ) (1 - sinφ)/(1 + sinφ) (1 + tanφ)/(1 - tanφ) ANSWER DOWNLOAD EXAMIANS APP
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