Aux 1 Unit 4 Q6

1 / 10

What happens once the centrifugal pump is fully primed in a system with a priming pump driven from the centrifugal pump?

C) The centrifugal pump shuts down

B) The priming pump automatically disengages or reduces operation

A) The priming pump continues to operate at full capacity

D) The priming pump increases the flow rate

2 / 10

What type of valve is commonly used in the suction line of a centrifugal pump system to assist with priming?

D) Butterfly valve

A) Check valve

C) Relief valve

B) Gate valve

3 / 10

In a centrifugal pump system with a priming pump, what is the purpose of the vacuum created by the priming pump?

C) To increase the discharge pressure of the centrifugal pump

D) To cool the centrifugal pump during operation

B) To draw liquid into the pump casing and suction line

A) To reduce the energy consumption of the centrifugal pump

4 / 10

Why is it important for the priming pump to be sized correctly in a centrifugal pump system?

D) To increase the pressure in the discharge line

C) To reduce the noise generated by the system

B) To ensure that the priming process is completed quickly and efficiently

A) To prevent the centrifugal pump from operating at too high a flow rate

5 / 10

Which of the following components might be included in a centrifugal pump system to automatically control the operation of the priming pump?

A) Pressure switch

D) Temperature sensor

B) Manual throttle

C) Flow meter

6 / 10

How is the priming pump typically driven in a system where it is coupled with a centrifugal pump?

C) By manual operation

B) By the main drive shaft of the centrifugal pump

D) By hydraulic pressure

A) By a separate motor

7 / 10

What could happen if a centrifugal pump is operated without being properly primed?

B) The pump may cavitate and suffer damage

A) The pump will operate normally

C) The pump will increase its efficiency

D) The pump will automatically shut down

8 / 10

How does a float valve function in a centrifugal pump priming system?

A) It opens the discharge valve when the pump is primed

C) It increases the flow rate through the centrifugal pump

D) It regulates the temperature of the pump

B) It disengages the priming pump when the liquid level is sufficient

9 / 10

What is the role of the air release valve in a centrifugal pump priming system?

C) To add air to the suction line for better priming

A) To increase the pressure in the discharge line

B) To allow trapped air to escape during the priming process

D) To maintain a constant flow rate

10 / 10

What is the primary purpose of a priming pump in a centrifugal pump system?

B) To remove air from the suction line and fill the pump with liquid

D) To regulate the discharge pressure

A) To increase the flow rate of the centrifugal pump

C) To cool the centrifugal pump during operation

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