In a petrol engine, the fuel supplied to the engine cylinder is mixed with required quantity of air and the mixture is ignited with a

A Fuel pump
B Fuel injector
C Spark plug
D None of these

Correct Answer: Spark plug

Spark plug is a device for delivering electric current from an ignition system to the combustion chamber of a spark-ignition engine to ignite the compressed fuel/air mixture by an electric spark, while containing combustion pressure within the engine. A spark plug has a metal threaded shell, electrically isolated from a central electrode by a porcelain insulator.
Bissoy MCQ
#Mechanical Engineering #Internal Combustion Engines (I.C. Engines)

Related Questions

An empty fuel tank of a car was filled with A type petrol. When the tank was half-empty, it was filled with B type petrol. Again when the tank was half-empty, it was filled with A type petrol. When the tank was half-empty again, it was filled with B type petrol. What is the percentage of A type petrol at present in the tank?
A 33.5%
B 37.5%
C 40%
D 50%
An empty fuel tank of a car was filled with A type petrol. When the tank was half-empty, it was filled with B type petrol. Again when the tank was half-empty, it was filled with A type petrol. When the tank was half-empty again, it was filled with B type petrol. What is the percentage of A type petrol at present in the tank ?
A 33.5%
B 37.5%
C 40%
D 50%
Two tanks A and B are filled with petrol. Tank A holds 600 liters more than B. If 100 liters of petrol were taken out from each tank, tank A would then contain 3 times as much petrol as tank B. What is the total number of liters of fuel in the two full tanks?
A 1400
B 1200
C 1000
D 900
Two tanks A and B are are filled with petrol. Tank A holds 600 litre more than tank B. If 100 litre of petrol were taken out from each tank A would then contain 3 times as much petrol as tank B. What is the total number of litre of fuel in the two full tanks?
A 1400
B 1200
C 1000
D 900
In a four stroke cycle petrol engine, the charge is ignited at
A 30° before top dead center
B 30° after top dead center
C 30° before bottom dead center
D 30° after bottom dead center
In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder.
A Equal to
B Less than
C More than
D None of these
In a diesel engine, fuel is ignited by ----
A Spark plug
B Heat resulting from Compressing air that is supplied for combustion
C Combustion Chamber
D Injected fuel
In a Diesel engine, the fuel is ignited by
A An electric spark
B The heat of compression
C The hot exhaust
D None of these
If the air-fuel mixture in a spark ignition engine is too rich, then air-fuel ratio is about
A 17 : 1
B 15 : 1
C 13 : 1
D 10 : 1
Three-fourth petrol of a reservoir is used to fill the petrol tanks of five trucks having the same storage capacity. What part of the total capacity of the petrol reservoir did each truck receive?
A 3/20
B 4/15
C 2/15
D 1/5

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