InnoQuiz_2023_CW5

When both upstream and downstream pressures of a pressure_compensated flow control valve increase, the flow rate

• increases

• decreases

• stays the same

• None

What is the main purpose of a pressure-compensated flow control valve?

• To maintain a constant velocity when the pressure changes

• To maintain a constant flow rate when the pressure changes

• To maintain a variable flow rate when the pressure changes

• To maintain a constant pressure when the flowrate changes

Which type of pump consists of two spur or helical gears

• External gear pump

• Internal gear pump

• Rotary pump

• Vane pump

Which type of component in hydraulic system supports less vibration and noise?

• flow control valve

• Oil reservoir

• rotary pump

• pressure gauge

For small discharge and high heads which pump is preferred ......

• Centrifugal type

• Reciprocating type

• Axial flow type

• Radial flow type

Who invented hydraulic press

• Norbert wiener

• Joseph Bramah

• Charles Young

• Charles Wheatstone

What is the formula of speed control valve during extension of a flow control valve

• V=(Q/A)

• V=Q.A

• V-(A/Q)

• V=Q(A-a)

Name the symbols in correct order

• 1. Reducing valve

  2. Sequence valve

  3. Relief valve

  4. Counterbalance valve

• 1. Relief valve

  2. Sequence valve

  3. Reducing valve

  4. Counterbalanace valve

• 1. Relief valve

  2. Counterbalanace valve

  3. Sequence valve

  4. Reducing valve

Once the pressure comes to normal, the diaphragm

• Expands

• No effect

• Deflects downwards

• Deflects upwards

Name the type of circuit

• Closed

• Open

• circuit half open

• Meter-in