Engineering Mechanics The angular velocity (in rad/s) of a body rotating at N revolutions per minute is 2πN/60 πN/60 2πN/180 πN/180 2πN/60 πN/60 2πN/180 πN/180 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a single purchase crab winch can be increased by Increasing the number of teeth of the pinion Increasing the radius of the load drum Increasing the length of the handle All of these Increasing the number of teeth of the pinion Increasing the radius of the load drum Increasing the length of the handle All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The force required to move the body up the plane will be minimum if it makes an angle with the inclined plane __________ the angle of friction. Equal to None of these Less than Greater than Equal to None of these Less than Greater than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The total energy possessed by a system of moving bodies Is constant at every instant Is minimum in the start and maximum at the end Is maximum in the start and minimum at the end Varies from point to point Is constant at every instant Is minimum in the start and maximum at the end Is maximum in the start and minimum at the end Varies from point to point ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A machine having an efficiency less than 50%, is known as Reversible machine Ideal machine Non-reversible machine Neither reversible nor non-reversible machine Reversible machine Ideal machine Non-reversible machine Neither reversible nor non-reversible machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When two elastic bodies collide with each other, The two bodies begin to regain their original shape The two bodies tend to compress and deform at the surface of contact The two bodies will momentarily come to rest after collision All of these The two bodies begin to regain their original shape The two bodies tend to compress and deform at the surface of contact The two bodies will momentarily come to rest after collision All of these ANSWER DOWNLOAD EXAMIANS APP