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Internal Combustion Engines

Internal Combustion Engines
Combustion in compression ignition engines is

Both (A) and (B)
Homogeneous
Laminar
Heterogeneous

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Internal Combustion Engines
The pressure at the end of compression, in petrol engines, is approximately

10 bar
25 bar
20 bar
35 bar

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Internal Combustion Engines
The magneto in an automobile is basically

Transformer
Capacitor
D.C. generator
Magnetic circuit

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Internal Combustion Engines
If one cylinder of a diesel engine receives more fuel than the others, then for that cylinder the

Piston rings would stick into piston grooves
Exhaust will be smoky
Engine starts overheating
Scavenging occurs

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Internal Combustion Engines
If petrol is used in a diesel engine, then

Low power will be produced
Higher knocking will occur
Black smoke will be produced
Efficiency will be low

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Internal Combustion Engines
A stoichiometric air-fuel ratio is

Lean mixture
Rich mixture for over loads
Chemically correct mixture
Rich mixture for idling

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MORE MCQ ON Internal Combustion Engines

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