Lakshya Education MCQs

Question: Head developed by a centrifugal pump is
Options:
A. Proportional to diameter of impeller
B. Proportional to speed of impeller
C. Proportional to diameter and speed of impeller
D. None of the above
Answer: Option C

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More Questions on This Topic :

Question 1. Discharge of a centrifugal pump is
  1.     Directly proportional to diameter of its impeller
  2.     Inversely proportional to diameter of its impeller
  3.     Directly proportional to (diameter)² of its impeller
  4.     Inversely proportional to (diameter)² of its impeller
Answer: Option D
Question 2. Delivery head of a centrifugal pump is
  1.     Directly proportional to N
  2.     Inversely proportional to N
  3.     Directly proportional to N²
  4.     Inversely proportional to N²
Answer: Option C
Question 3. A flow through a long pipe at constant rate is called
  1.     Steady uniform flow
  2.     Steady non-uniform flow
  3.     Unsteady uniform flow
  4.     Unsteady non-uniform flow
Answer: Option A
Question 4. Head developed by a centrifugal pump is
  1.     Proportional to diameter of impeller
  2.     Proportional to speed of impeller
  3.     Proportional to diameter and speed of impeller
  4.     None of the above
Answer: Option C
Question 5. Delivery head of a centrifugal pump is
  1.     Directly proportional to N
  2.     Inversely proportional to N
  3.     Directly proportional to N²
  4.     Inversely proportional to N²
Answer: Option C
Question 6. Delivery head of a centrifugal pump is
  1.     Directly proportional to N
  2.     Inversely proportional to N
  3.     Directly proportional to N²
  4.     Inversely proportional to N²
Answer: Option C

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