Internal Combustion Engines (2161902) MCQ

MCQs of Combustion

MCQ No - 1

When crude oil is heated, then which of the following hydrocarbon is given off first?

(A) Kerosene
(B) Gasoline
(C) Parafin
(D) Diesel

B
MCQ No - 2

Flashpoint of fuel oil is

(A) 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 the flame
(B) the temperature at which it solidifies or congeals
(C) the temperature at which it catches fire without external aid
(D) none of the above

D
MCQ No - 3

Pour point of fuel oil is the

(A) temperature at which it solidifies or congeals
(B) it catches fire without external aid
(C) indicated by 90% distillation temperature i.e., when 90%. of sample oil has distilled off
(D) temperature at which it flows easily

A
MCQ No - 4

Which of the following is the lightest and most volatile liquid fuel?

(A) Diesel
(B) Kerosene
(C) Fuel oil
(D) Gasoline

D
MCQ No - 5

All heat engines utilize

(A) low heat value of oil
(B) high heat value of oil
(C) the net calorific value of oil
(D) the calorific value of fuel

A