Engineering Mechanics In a screw jack, the effort required to lower the load is __________ the effort required to raise the same load. More than Equal to Less than None of these More than Equal to Less than None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum efficiency of a lifting machine is m/V.R. V.R./m 1/(m × V.R.) 1/m m/V.R. V.R./m 1/(m × V.R.) 1/m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The term 'Centroid' is The point of suspension The point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis None of the listed here The same as centre of gravity The point of suspension The point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis None of the listed here The same as centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When the spring of a watch is wound, it will possess Heat energy Electrical energy Kinetic energy Strain energy Heat energy Electrical energy Kinetic energy Strain energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a differential pulley block with D and d as the diameters of larger and smaller pulley, is D/(D + d) 2D/(D - d) 2D/(D + d) D/(D - d) D/(D + d) 2D/(D - d) 2D/(D + d) D/(D - d) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If u₁ and u₂ are the velocities of two moving bodies in the same direction before impact and v₁ and v₂ are their velocities after impact, then coefficient of restitution is given by (u₂ + u₁)/(v₂ + v₁) (v₂ - v₁)/(u₁ - u₂) (u₁ - u₂)/(v₁ - v₂) (v₁ - v₂)/(u₁ - u₂) (u₂ + u₁)/(v₂ + v₁) (v₂ - v₁)/(u₁ - u₂) (u₁ - u₂)/(v₁ - v₂) (v₁ - v₂)/(u₁ - u₂) ANSWER DOWNLOAD EXAMIANS APP
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