I.C Engines Online Quiz - ObjectiveBooks
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I.C Engines Online Quiz

Quiz Questions

01. In qualitative governing, the quantity of fuel is varied to suit the load on the engine and the total charge of air is altered.

02. The relative efficiency of an I.C. engine is the ratio of the indicated thermal efficiency to the air standard efficiency.

03. In hit and miss governing, the fuel supply is cut-off completely during one or more number of cycles.

04. Lubrication in I.C. engines dissipates the heat generated from the moving parts due to friction.

05. For the same maximum pressure and heat input, the exhaust temperature of petrol engine is _________ than that of diesel engine.

06. The petrol engines are also known as _________ engines.

07. In a petrol engine, the charge is ignited with the help of a spark plug.

08. A two stroke cycle engine occupies larger floor area than a four stroke cycle engine.

09. The indicated mean effective pressure of an engine is obtained from the indicator diagram drawn with the help of an engine indicator.

10. The reflectivity of a reflector is defined as the fraction of neutrons entering the reflector which are returned to the core.

11. The mean effective pressure of a diesel engine having fixed compression ratio will __________ if cut off ratio decreases.

12. The sparking in a petrol engine increases pressure and temperature of the products of combustion, but the volume remains constant.

13. In a two stroke engine, the working cycle is completed in two revolutions of the crankshaft.

14. The indicated power for multi-cylinder engine will be same as that of a single cylinder engine.

15. The engines in which the combustion of fuel takes place inside the engine cylinder are called internal combustion engines.

16. A fuel will detonate less if it has higher self ignition temperature.

17. The injection of fuel by external source is not required in case of engines working on Otto cycle.

18. The running cost of a petrol engine is _________ than that of a diesel engine.

19. A reactor capable of converting a fertile material into fissile isotopes is called regenerative reactor.

20. The size of a reactor at which the chain reaction can be initiated (i.e. when system becomes critical) with just enough fissionable material (called critical mass of fuel) is known as critical size of reactor.

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