Top 1000+ Solved Fluid Mechanics (FM) MCQ Questions Answer
Q. When the piston moves forward, liquid is drawn
a. Into the cylinder
b. Away from the cylinder
c. Into the draft tube
d. Away from the draft tube View Answer
Q. In a reciprocating pump, with the change in discharge pressure,
a. The Volume delivered increases
b. The volume delivered decreases
c. Volume delivered remains the same
d. Volume delivered is independent View Answer
Q. The amount of fluid that leaks internally is called
a. Head race
b. Slip
c. Tail race
d. Internal friction View Answer
Q. For a good condition, slip should be_
a. Below 1 percent
b. 1 to 2 percent
c. 3 to 4 percent
d. Above 5 percent View Answer
Q. If the slip is above 5 percent, the pumps needs to be
a. Dragged
b. Overhauled
c. Retracted
d. Intermittent View Answer
Q. Slip in a pump depends on which of following parameters?
a. Wear
b. Pressure
c. Temperature
d. Heat View Answer
Q. Internal breakage in a pump mainly takes place when
a. Discharge pressure is increased
b. Temperature is increased
c. Heat leads to expansion
d. Corrosion takes place View Answer
Q. The output that we get after an internal breakage can be classed as
a. An increase
b. A decrease
c. Constant
d. An independent variable View Answer
Q. When the hydraulic fluid forms on only one side of the piston, it is called
a. Single acting pump
b. Double acting pump
c. Froth pump
d. Draft tube View Answer
Q. A pump with two steams and two water cylinders is called
a. Single acting pump
b. Double acting pump
c. Froth pump
d. Duplex pump View Answer
Q. When an external force is not available in a pump, we use a
a. Hydraulic cylinder
b. Slip gauge
c. Tail race
d. Heater View Answer
Q. Reciprocating pumps give a flow
a. Uniform
b. Non- uniform
c. Pulsating
d. Sinusoidal View Answer
Q. Suction stroke becomes difficult to pump
a. High temperature fluids
b. Viscous fluids
c. Fluids with abrasives
d. High velocity fluids View Answer
Q. What is the full form of DAC?
a. Digital Acting pumps
b. Double acting pumps
c. Data acting pumps
d. Draft tube pumps View Answer