CHEMCO Exit Exam • Set 6 Question 22 of 30
What kind of pumps can move extremely thick fluids like sludge without clogging ?
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Direct Answer
Option D: Screw pumps
Screw pumps are ideal for highly viscous fluids like sludge. Their design, with intermeshing screws, allows for smooth, continuous, and clog-free transfer of thick materials without significant shear or aeration.
All Options
A
Rotary vane pumps
B
Reciprocating pumps
C
Deep well pumps
D
Screw pumps
(Correct Answer)
Detailed Explanation & Context
Screw pumps are ideal for highly viscous fluids like sludge. Their design, with intermeshing screws, allows for smooth, continuous, and clog-free transfer of thick materials without significant shear or aeration.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Chemical Tanker Cargo Operations (CHEMCO).
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