Chapter 8, Problem 8RAT

In a hydraulic press operation, it is impossible for the

(a) output piston to move farther than the input piston.

(b) force output to exceed the force input.

(c) output piston's speed to exceed the input piston's speed.

(d) energy output to exceed energy input.

To determine

The correct option for the statement “In a hydraulic press operation, it is impossible for the".

Answer to Problem 8RAT

The correct option for the statement “In a hydraulic press operation, it is possible for the" is option (d).

Explanation of Solution

Hydraulic-press works on the principle of Pascal's law. Pascal's law states that the pressure change in a small portion of the fluid is passed on the entire fluid.

These machines are mainly set up in the industrial area and are used to crushing cars and casting metal objects. In case of hydraulic-press, there is always the loss of energy in the form of heat. This is why, in a hydraulic-press operation, it is impossible for the energy output to exceed the energy input. There is a loss of some energy in the form of heat and friction.

Conclusion:

Therefore, the correct option for the statement “In a hydraulic press operation, it is possible for the" is option (d).