Ic Engines QUESTIONS AND ANSWERS

Mechanical Engineering : Ic Engines QUESTIONS AND ANSWERS :: part4 : 6 to 10

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

6.For maximum power generation, the air fuel ratio for a petrol engine for vehicles, is of the order of

9 : 1

12 : 1

15 : 1

18 : 1

20: 1.

7.Air fuel ratio at which a petrol engine can not work is

8 : 1

10 : 1

15 : 1

20 : 1 and less

will work at all ratios.

8.Which of the following is the lightest and most volatile liquid fuel

diesel

kerosene

fuel oil

gasoline

lub oil.

9.A stoichiometric air-fuel ratio is

chemically correct mixture

lean mixture

rich mixture for idling

rich mixture for over loads

the ratio used at full rated parameters.

10.Pour point of fuel oil is the

minimum temperature to which oil is heated in order to give off inflammable vapours in sufficient quantity to ignite momentarily when brought in contact with a flame

temperature at which it solidifies or congeals

it catches fire without external aid

indicated by 90% distillation temperature i.e., when 90% of sample oil has distilled off

temperature at which it flows easily.

More Ic Engines QUESTIONS AND ANSWERS available in next pages

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Mechanical Engineering Questions And Answers :: Ic Engines: part4

Ic Engines QUESTIONS AND ANSWERS

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