PUMP_6017_Recipprocating_pumps

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Question 1:
Identify part E of the illustration of a mechanically actuated diaphragm pump:

A - Suction valve
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Question 2:
Identify part D of the illustration of a mechanically actuated diaphragm pump:

A - Diaphragm
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Question 3:

Identify part B of the illustration of a mechanically actuated diaphragm pump:

A - Pump body
Question 4:
Identify part A of the illustration of a mechanically actuated diaphragm pump:

B - Eccentric
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Question 5:
The type of reciprocating pump valve used for high pressure clean service is called a:

C - Wing guided valve
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Question 6:
The type of reciprocating pump valve suitable for hot and cold water service at lower pressures is called a:
B - Stem guided valve
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Question 7:
A triplex double-acting pump will deliver:
A - Six pulses of liquid in one crankshaft revolution
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Question 8:As a pumping unit, the steam-operated injector is: D - Quite inefficient and difficult to control

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Question 9:
All power pumps should be equipped with:

C - Relief valves on the discharge to prevent damage from overpressure
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Question 10:
Ball valves are used where free opening of suction and discharge is required.
A - True
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Question 11:
The type of reciprocating pump valve used where free opening of the suction and discharge is required is called a:
C - Ball valve
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Question 12:
The diaphragm pump differs from the piston or plunger-type reciprocating pump in that:
D - The fluid is completely isolated from the reciprocating mechanism
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Question 13:Reciprocating pumps can be used to develop very high pressures and carefully controlled flows because the volume of liquid discharged depends only upon the _____________ and _________ of the pump. B - dimensions, speed

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Question 14:
One method of increasing the volume of flow through a single-acting plunger-type pump is to:
C - Increase the length of the pump stroke
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Question 15:
Diaphragm pumps are well suited for use as controlled volume or metering pumps because:
D - Their capacity can be adjusted by varying the stroke length or the stroke frequency
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Question 16:
The discharge of a mechanically actuated diaphragm pump is usually limited to about:
A - 350 kPa
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Question 17:
A triplex pump will complete one stroke in:
C - 180 degrees
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Question 18:
In a plunger-type pump, the distance the plunger moves in and out of the cylinder is called the:
A - Length of stroke
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Question 19:
In a plunger type pump, the movement of the plunger in one direction is called the:
C - Stroke of the pump
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Question 20:
A reciprocating pumps capacity depends on:
B - the number of pumping strokes per minute
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Question 21:
A piston-type duplex pump has two:
C - Pistons
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Question 22:
Why should all power pumps be equipped with relief valves on the discharge?
C - to prevent damage from overpressure
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Question 23:
Generally, the type of valve used in a pump is determined by the properties of the liquid handled.

A - True

PUMP 6018_Rotary Pumps

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Question 1:
Match the correct rotary pump name to the illustration shown:

B - Two lobe pump
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Question 2:
Match the correct rotary pump name the illustration shown:

D - Internal gear pump

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Question 3:

The rotary pump in the illustration is called a/an:

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Дата добавления: 2015-10-29