SSC JE Mechanical Engineering 2012

Instructions

For the following questions answer them individually

SSC JE Mechanical Engineering 2012 - Question 131


Process in thermodynamic cycles are
I : Isentropic II : Constant Volume
III: Constant pressure IV : Isothermal
Which process of is/are not involved in an air standard dual combustion cycle?

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SSC JE Mechanical Engineering 2012 - Question 132


Morse test is conducted on multi cylinder engine to find the engine’s

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SSC JE Mechanical Engineering 2012 - Question 133


A nozzle is said to be choked when

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SSC JE Mechanical Engineering 2012 - Question 134


In a water-tube boiler, the flue gas flows through the following accessories :
1. Super heater 2. ID fan
3. Air heater 4. Economizer
Which of the following gives, the correct sequences of the flue gas through these accessories:

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SSC JE Mechanical Engineering 2012 - Question 135


Lean air fuel mixture is required for

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SSC JE Mechanical Engineering 2012 - Question 136


What material is used for the insulating body of a spark plug?

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SSC JE Mechanical Engineering 2012 - Question 137


Which element regulates the pressure strokes in the fuel injection pump of a diesel engine?

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SSC JE Mechanical Engineering 2012 - Question 138


For complete specification of super heated vapour, one needs

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SSC JE Mechanical Engineering 2012 - Question 139


Safety valve used with locomotive boilers is operated by

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SSC JE Mechanical Engineering 2012 - Question 140


Behaviour of which of the following steam quantities is closest to that of a gas?

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