IC Engines and Nuclear Power Plants - Data Intensity 3 | Multiple Questions and Answers

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IC Engines and Nuclear Power Plants - Data Intensity 3 Multiple Questions and Answers.

6.	Number of working strokes per min. for a two stroke cycle engine are __________ the speed of the engine in r.p.m.

	A.	equal to
	B.	one-half
	C.	twice
	D.	four-times

7.	The injector nozzle of a compression ignition engine is required to inject fuel at a sufficiently high pressure in order to

	A.	inject fuel in a chamber of high pressure at the end of compression stroke
	B.	inject fuel at a high velocity to facilitate atomisation
	C.	ensure that penetration is not high
	D.	all of the above

8.	A fuel of cetane number 40 has the same ignition quality as a mixture of

	A.	40% cetane and 60% alpha methyl napthalene
	B.	40% alpha methyl napthalene and 60% cetane
	C.	40% petrol and 60% diesel
	D.	40% diesel and 60% petrol

9.	The two reference fuels used for cetane rating are

	A.	cetane and iso-octane
	B.	cetane and alpha-methyl naphthalene
	C.	cetane and normal heptane
	D.	cetane and tetra ethyl lead

10.	In petrol engines, the delay period is of the order of

	A.	0.001 second
	B.	0.002 second
	C.	0.003 second
	D.	0.004 second

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» IC Engines and Nuclear Power Plants - Data Intensity 3

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