Match the following pump components in Column I with pump types in Column II:
| Column I | Column II |
|---|---|
| (P) Waste valve | (1) Jet pump |
| (Q) Plunger | (2) Centrifugal pump |
| (R) Foot valve | (3) Reciprocating pump |
| (S) Nozzle and venturi | (4) Hydraulic ram |
Options:
(A) P-3,Q-2,R-4,S-1
(B) P-4,Q-2,R-3,S-1
(C) P-1,Q-3,R-4,S-2
(D) P-4,Q-3,R-2,S-1
Official Answer Key:
D
Step-by-Step Solution & Explanation
Waste valve is a characteristic component of a hydraulic ram (4); Plunger is the working element of a reciprocating pump (3); Foot valve (a check valve at the suction pipe end, primed with water) is used with centrifugal pumps (2); Nozzle and venturi throat are the defining elements of a jet pump (1). This gives P-4, Q-3, R-2, S-1 → option (D), a component-recognition matching item.
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