HYDRAULIC AND PNEUMATICS - Practice Mode

1) Which energy is converted in hydraulic pump?

Thermal energy to hydraulic energy Electrical energy to hydraulic energy Pneumatic energy to hydraulic energy Mechanical energy to hydraulic energy

Correct Answer: Mechanical energy to hydraulic energy

2) Which type of valve connections are opened or closed by means of spool slide?

Check valve Butterfly valve Solenoid valve Non-return valve

Correct Answer: Butterfly valve

Explanation:

Reluctance is magnetomotive force per unit flux,
So unit of reluctance = unit of MMF / unit of magnetic flux = A/Wb. = Ampere turns / Weber

3) How hydraulic transmission force is controlled?

By air By gears By fluids By electric

Correct Answer: By fluids

4) Which valve is used to permit fluid flow in one direction and block flow in opposite direction?

Check valve Shuttle valve Orifice check valve Pressure relief valve

Correct Answer: Check valve

5) Which valve has two inlet / one outlet in hydraulic / pneumatic system?

Slide valve Check valve Shuttle valve Solenoid valve

Correct Answer: Shuttle valve

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