Diesel as compared to petrol is

Internal Combustion Engines
Diesel as compared to petrol is

More difficult to ignite

Less difficult to ignite

Highly ignitable

None of these

More difficult to ignite

Less difficult to ignite

Highly ignitable

None of these

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Internal Combustion Engines
Pick up the wrong statement about supercharging

There can be limited supercharging in petrol engines because of detonation

Supercharging reduces knocking in diesel engines

Supercharging at high altitudes is essential

Supercharging results in fuel economy

There can be limited supercharging in petrol engines because of detonation

Supercharging reduces knocking in diesel engines

Supercharging at high altitudes is essential

Supercharging results in fuel economy

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Internal Combustion Engines
Crankcase explosion in I.C. engines usually occurs as

Never occurs

Both mild and big explosions occurs simultaneously

First a big explosion followed by a mil explosion

First a mild explosion followed by a bi explosion

Never occurs

Both mild and big explosions occurs simultaneously

First a big explosion followed by a mil explosion

First a mild explosion followed by a bi explosion

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Internal Combustion Engines
In diesel engine the diesel fuel injected into cylinder would burn instantly at about compressed air temperature of

2000Â°C

500Â°C

250Â°C

1000Â°C

2000Â°C

500Â°C

250Â°C

1000Â°C

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Internal Combustion Engines
When a body, floating in a liquid, is given a small angular displacement, it starts oscillating about a point known as

Centre of pressure

Centre of buoyancy

Centre of gravity

Metacentre

Centre of pressure

Centre of buoyancy

Centre of gravity

Metacentre

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Internal Combustion Engines
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

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

Temperature at which it solidifies or congeals

It catches fire without external aid

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

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

Temperature at which it solidifies or congeals

It catches fire without external aid

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Internal Combustion Engines

Internal Combustion Engines Diesel as compared to petrol is

Internal Combustion Engines Pick up the wrong statement about supercharging

Internal Combustion Engines Crankcase explosion in I.C. engines usually occurs as

Internal Combustion Engines In diesel engine the diesel fuel injected into cylinder would burn instantly at about compressed air temperature of

Internal Combustion Engines When a body, floating in a liquid, is given a small angular displacement, it starts oscillating about a point known as

Internal Combustion Engines Pour point of fuel oil is the

Internal Combustion Engines
Diesel as compared to petrol is

Internal Combustion Engines
Pick up the wrong statement about supercharging

Internal Combustion Engines
Crankcase explosion in I.C. engines usually occurs as

Internal Combustion Engines
In diesel engine the diesel fuel injected into cylinder would burn instantly at about compressed air temperature of

Internal Combustion Engines
When a body, floating in a liquid, is given a small angular displacement, it starts oscillating about a point known as

Internal Combustion Engines
Pour point of fuel oil is the