IC Engines and Nuclear Power Plants - Part 1 Online Exam Quiz
IC Engines and Nuclear Power Plants - Part 1 GK Quiz. Question and Answers related to IC Engines and Nuclear Power Plants - Part 1. MCQ (Multiple Choice Questions with answers about IC Engines and Nuclear Power Plants - Part 1
The reference fuels for knock rating of spark ignition engines would include
Options
A : iso-octane and alpha-methyl naphthalene
B : normal octane and aniline
C : iso-octane and normal hexane
D : normal heptane and iso-octane
In a four stroke cycle, the minimum temperature inside the engine cylinder occurs at the
Options
A : beginning of suction stroke
B : end of suction stroke
C : beginning of exhaust stroke
D : end of exhaust stroke
In hit and miss governing, the fuel supply is cut-off completely during one or more number of cycles.
Options
A : Yes
B : No
C : -
D : -
The thermal efficiency of a standard Otto cycle for a compression ratio of 5.5 will be
Options
A : 25%
B : 50%
C : 70%
D : 100%
The ratio of the volume of charge admitted at N.T.P. to the swept volume of the piston is called
Options
A : mechanical efficiency
B : overall efficiency
C : volumetric efficiency
D : relative efficiency
The exhaust valve in a four stroke cycle petrol engine
Options
A : opens at 50° before bottom dead centre and closes at 15° after top dead centre
B : opens at bottom dead centre and closes at top dead centre
C : opens at 50° after bottom dead centre and closes at 15° before top dead centre
D : may open and close anywhere
Nuclear reactors are used
Options
A : to produce heat for thermoelectric power
B : to produce fissionable material
C : to propel ships, submarines, aircrafts
D : all of these
A moderator generally used in nuclear power plants is
Options
A : graphite
B : heavy water
C : concrete
D : graphite and concrete
The predominent isotope of the naturally occuring element is
Options
A : U 235
B : U 238
C : Pu 233
D : Pu 239
The brake power of a diesel engine, keeping other parameters constant, can be increased by
Options
A : decreasing the density of intake air
B : increasing the temperature of intake air
C : increasing the pressure of intake air
D : decreasing the pressure of intake air
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