TASCO Exit Exam • Set 7 Question 30 of 30
The reciprocating pump creates a suction effect when there is a
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Direct Answer
Option A: decrease in pressure
A reciprocating pump operates by the motion of a piston or plunger. When the piston moves to expand the volume of the pump chamber, it creates a decrease in pressure (a vacuum), which draws the fluid in through the suction valve.
All Options
A
decrease in pressure
(Correct Answer)
B
no change in pressure
C
increase in pressure
D
decrease or an increase in pressure **Correct answer : decrease in pressure**
Detailed Explanation & Context
A reciprocating pump operates by the motion of a piston or plunger. When the piston moves to expand the volume of the pump chamber, it creates a decrease in pressure (a vacuum), which draws the fluid in through the suction valve.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Oil Tanker Cargo Operations (TASCO).
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