Question 1

1- …………… pump depends on a reciprocating motion to transmit a liquid from inlet                  to outlet:

Accepted Answer

Reciprocating pumps

Answer

Gear pumps

Answer

External gear pumps

Answer

Lobe pumps

Question 2

2- Used to reduce pressure & flow rate speed:

Accepted Answer

Diffuser

Answer

Shaft

Answer

Casing

Answer

Impeller

Question 3

- The pump shown on fig is:

Accepted Answer

Internal gear pump

Answer

Centrifugal pump

Answer

Reciprocating pump

Answer

Axial flow pump

Question 4

impller is one of the centrifugal pumps ……….. part:

Accepted Answer

Rotating part

Answer

Bearing

Answer

Stationary part

Answer

Cause friction

Question 5

- Which one of the following pump is not positive displacement?

Accepted Answer

a centrifugal pump

Answer

Lobe  pump

Answer

External gear pump

Answer

internal gear pump

Question 6

. Pressure is a measurement of

Accepted Answer

Force per unit of surface area

Answer

Flow per unit of time

Answer

Weight

Answer

Force per unit of time

Question 7

. Which one of these devices does NOT use a hydraulic system?

Accepted Answer

A dentist's drill

Answer

car mechanic's trolley jack

Answer

Brakes on a car

Answer

The rams on an excavator

Question 8

8. Compressors usually pump air into:

Accepted Answer

Receivers

Answer

Pneumatic motors

Answer

Pneumatic cylinders

Answer

Atmosphere

Question 9

. Force = __________ x ____________

Accepted Answer

pressure x area

Answer

work x time

Answer

pressure x flow

Answer

flow x distance

Question 10

. Directional control valves can be operated .................:

Accepted Answer

A & b

Answer

Electrical

Answer

Non above

Answer

Manual

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