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Doctors Medicines MCQs Q&A

  1. Inlet valve closing after bottom dead center
  2. Inlet valve closing before bottom dead center
  3. Inlet valve opening before top dead center
  4. Exhaust valve closing after top dead center
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Answer: Option 2

Inlet valve closing before bottom dead center would reduce volumetric efficiency of a vertical compression ignition engine. -It should be quite clear that the volumetric efficiency decreases at higher rpm because the process of pushing the exhaust gases out and sucking the fresh charge inside cylinder gets lesser and lesser time.

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Related Questions

Directions : Following question consists of a statement followed by four arguments I, II, III and IV. You have to decide which of the arguments is a STRONG arguments and which is a WEAK Argument. Statement : Should there be reservation of jobs in the organizations in the private sector also as in the public sector undertakings in India Arguments : I. Yes. This would give more opportunities of development to the weaker sections of the society and thus help reduce the gap between the affluent and the downtrodden in India. II. No. The private sector does not get any government assistance and therefore they should not be saddled with such policies. III. No. Nowhere else in the world such a practice is being followed. IV. No. The management of the private sector undertaking would not agree to such compulsions.?
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