IC Engines and Nuclear Power Plants - Section 1 (2)

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IC Engines and Nuclear Power Plants - Section 1

9.

The basic requirement of a good combustion chamber is

A.	minimum turbulence
B.	low compression ratio
C.	high thermal efficiency and power output
D.	low volumetric efficiency

Answer: Option C

Explanation:

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10.

Morse test can be conducted for

A.	petrol engines
B.	diesel engines
C.	multi-cylinder engines
D.	all of these

Answer: Option C

Explanation:

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11.

The energy released during the fission of one atom of Uranium - 235 in million electron volts is about

A.	100
B.	200
C.	300
D.	400

Answer: Option B

Explanation:

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12.

The pre-ignition occurs before the spark is produced whereas detonation develops after the introduction of spark.

A.	Agree
B.	Disagree

Answer: Option A

Explanation:

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13.

The detonation is also called knocking or pinking.

A.	Yes
B.	No
C.	Two

Answer: Option A

Explanation:

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14.

The pressure at the end of compression, in diesel engines, is approximately

A.	10 bar
B.	20 bar
C.	25 bar
D.	35 bar

Answer: Option D

Explanation:

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15.

U₂₃₃ is produced

A.	artificially
B.	as basic raw material
C.	when thorium is irradiated by neutrons
D.	by fission of U238

Answer: Option C

Explanation:

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16.

A carburettor is used to supply

A.	petrol, air and lubricating oil
B.	air and diesel
C.	petrol and lubricating oil
D.	petrol and air

Answer: Option D

Explanation:

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