Question 11 : Which of the following is not included in the friction head?
1. Head Loss in entire length of piping
2. Total static head
3. Head Loss in bend tees
4. Head Loss in valves
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Question 12 : How many types of hand pumps are used?
1. 1
2. 2
3. 3
4. 4
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Question 13 : When the pumps are in parallel operation
1. H = H₁ + H₂
2. 1/H = 1/H₁ +1/ H₂
3. Q = Q₁ + Q₂
4. 1/Q = 1/Q₁ + 1/Q₂
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Question 14 : Which type of reciprocating pump has a 1200 crank?
1. Single cylinder pump
2. Double cylinder pump
3. Triple cylinder pump
4. Duplex double action pump
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Question 15 : Which type of pump is specifically used for shallow wells?
1. Hand pump
2. Reciprocating pump
3. Jet pump
4. Centrifugal pump
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Question 16 : Based on the number of cylinders, the reciprocating pump is divided into ____ types.
1. 2
2. 3
3. 4
4. 5
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Question 17 : Which one of the following represents 'A'?
1. Total static head
2. Total dynamic head
3. Shut off head
4. Minimum head
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Question 18 : Consider the following statement regarding Reciprocating pump.
1. High initial cost
2. Requires a small space
3. Less power required
Which of the following is/are incorrect statement?
1. Only 1
2. Only 2
3. Only 3
4. 2, 3
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Question 19 : _______ is provided at the entrance of suction pipe during centrifugal pump installation.
1. Delivery pipe
2. Foot valve
3. Strainer
4. Check valve
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Question 20 : The centrifugal pump has a ______ flow.
1. Variable
2. Uniform
3. Continuous
4. Constant
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