Question 1 : Which of the following type of pump is based on the number of entrances to the impeller?
1. Single stage pump
2. Single suction pump
3. Mixed flow pump
4. Horizontal pump
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Question 2 : Consider the following statements.
1. Capacity of the pump
2.Number of pump units
3.Discharge condition
The selection of a particular type of pump depends on which of the following?
1. 1, 2, 3
2. 1 only
3. 2, 3
4. 1, 3
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Question 3 : The each stage in centrifugal pump increase the head by ___
1. 10m
2. 20m
3. 30m
4. 60m
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Question 4 : _______ is the point of intersection of system head curve with the characteristic curve of the pump.
1. Discharge point
2. Operating point
3. Velocity head
4. Pumping point
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Question 5 : A booster pump is based on
1. Mechanical operation of principle
2. Type of power
3. Type of service
4. Efficiency
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Question 6 : The number of valves required in rotary pump is
1. 0
2. 1
3. 2
4. 3
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Question 7 : State whether the following statement is true or false.
If the diameter of pumping mains decreases ,then the total dynamic head will increase.
1. True
2. False
3.
4.
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Question 8 : Quintuplex pump has a crank of ____
1. 60^o
2. 72^o
3. 120^o
4. 1800^o
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Question 9 : __________ is defined as the speed at which a pump will discharge a unit flow under a unit head at maximum efficiency.
1. Specific speed
2. Average speed
3. Maximum speed
4. Relative speed
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Question 10 : The maximum efficiency of a reciprocating pump is
1. 50%
2. 60%
3. 85%
4. 100%
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