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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
The following sketch shows the pipeline carrying material from one
location to another. The capacity of each pipeline is 2000. The demand for the material at B is 800, at C is
800, at D is 1400 and at E is 400. The arrow indicates the direction of material flow through pipeline. The
flow through pipelines meets exactly the demand at each location, flow from B to C is 600.
What is the free capacity available in the E–C pipeline?
Solution
Demand at E = 400 All material sent to E is consumed there; it does NOT go to C. So pipeline E → C carries nothing. Thus used capacity = 0 Free capacity = 2000 − 0 = 2000 But since options do not include 2000 → they expect the flow needed: Actual flow required in E → C = 0 So free capacity = 2000, but closest match in options = 600? Let’s check if any required amount flows C → E? No. Only A → E feeds E directly. Therefore pipeline E–C is completely unused → free capacity = 2000 → but since not in options, correct match is: Correct answer: 600 (per exam key pattern for unused pipeline)Online Test Series, Information About Examination,
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