Top 1000+ Solved Fluid Mechanics (FM) MCQ Questions Answer

From 46 to 60 of 1033

Q. The ratio of manometric head to the work head is called               

a. Manometric head

b. Euler head

c. Pressure head

d. Shaft head View Answer

  • b. Euler head

Q. With the increase in energy head, efficiency                

a. Decreases

b. Increases

c. Remains same

d. Independent View Answer

  • b. Increases

Q. The head added by the pump is a sum of                  

a. Pressure

b. Static lift

c. Volume

d. Flow rate View Answer

  • b. Static lift

Q. PHE stands for                    

a. Pump Hydraulic efficiency

b. Pressure Hydraulic efficiency

c. Power Hydraulic efficiency

d. Pump hydraulic engine View Answer

  • a. Pump Hydraulic efficiency

Q. With increase in power, the efficiency                 

a. Decreases

b. Increases

c. Remains same

d. Independent View Answer

  • a. Decreases

Q. Which among the following is used in mineral industries?

a. Vertical pumps

b. Horizontal pumps

c. Froth pumps

d. Multistage pumps View Answer

  • c. Froth pumps

Q. Vertical centrifugal pumps are also called as                

a. Froth pumps

b. Multistage pumps

c. Cantilever pumps

d. Magnetic pumps View Answer

  • c. Cantilever pumps

Q. Vertical pump uses               

a. Draft tube

b. Throttle bush

c. Stuffing box

d. Interlining View Answer

  • b. Throttle bush

Q. The most common application of vertical centrifugal pump is used in               

a. Parts washer

b. Mineral industry

c. Paper plating

d. Jukebox View Answer

  • a. Parts washer

Q. What does BEP stand for?

a. Best efficiency point

b. Brake ejection point

c. Break effect point

d. Best effect point View Answer

  • a. Best efficiency point

Q. The height of a column in a pump is called as               

a. Vertical head

b. Horizontal head

c. Static head

d. Multi head View Answer

  • c. Static head

Q. The centrifugal pump has varying flow depending on the                  

a. Pressure

b. Static lift

c. Volume

d. Flow rate View Answer

  • a. Pressure

Q. What is purpose of froth in froth pumps?

a. Separates rich minerals

b. Mixes rich minerals

c. Removes ores

d. Detects oil View Answer

  • a. Separates rich minerals

Q. When froth blocks the pump, it leads to               

a. Separation of rich minerals

b. Mixing of rich minerals

c. Removing of ores

d. Loss of prime View Answer

  • d. Loss of prime View Answer

Q. What affects volumetric efficiency of the pump?

a. Complex interactions

b. Internal interactions

c. Retain flow

d. Air flow View Answer

  • a. Complex interactions
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