HYDRAULICS AND PNEUMATICS - Practice Mode

1) Which valve is be opened to bring down the load in the hydraulic jack?
Correct Answer: Relief valve
2) What is the direction of driven gear in an internal gear pump?
Correct Answer: Same direction
3) Which part in the internal gear pump act as seal?
Correct Answer: Crescent-shaped spacer
4) Which type of NDT method used ferrous particles are applied to the area between the poles?
Correct Answer: Electromagnetic yoke testing