January monthly test

Which causes more than 90% of hydraulic system failure?

• Contamination of hydraulic fluid

• Leak of valve

• Pump

• Electric power

Which valve protect against excessive pressure in hydraulic system? |

• Gate valve

• Globe valve

• Relief valve

• Non-return valve

Which formula is used to calculate the pressure

• Force + Area

• Force/Area

• Force - Area

• Force x Area

What is the name of part marked as ʹXʹ?

• Cylinder

• Piston

• Seal

• Spring

Which type of filter helps to protect the pump from fluid contaminations?

• Suction filter

• Magnetic filter

• Absorbent filter

• Mechanical filter

Which gauge indicates pressure valve above the atmospheric pressure?

• Pressure gauge

• Temperature gauge

• Receiver gauge

• Precision gauge

Which valve protect against excessive pressure in hydraulic system

• Gate valve

• Glove valve

• Relief valve

• Non relief valve

What is the name of symbol used in hydraulic cylinder?

• Single acting load returns the piston |

• Single acting return piston

• Double acting power stoke

• Double acting with crushing

What is the name of part marked as ‘x’ in compressor?

• Relief valve

• Thermometer

• Shut-off valve

• Pressure gauge

Which pressure value is read through pressure gauge?

• Gauge Pressure

• Atmospheric Pressure

• Vacuum Pressure

• Absolute Pressure