Pour point of fuel oil is the

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

Temperature at which it solidifies or congeals

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

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

Temperature at which it solidifies or congeals

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

It catches fire without external aid

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Internal Combustion Engines
A gas engine has a swept volume of 300 cm3 and clearance volume of 25 cm3. Its volumetric efficiency is 0.88 and mechanical efficiency is 0.90. The volume of the mixture taken in per stroke is

248 cm3

286 cm3

252 cm3

264 cm3

248 cm3

286 cm3

252 cm3

264 cm3

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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 gravity

Centre of buoyancy

Metacentre

Centre of pressure

Centre of gravity

Centre of buoyancy

Metacentre

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Internal Combustion Engines
In a petrol engine, if diesel is used, then the engine will

Run more efficiently

Run at high speed

Explode

Not run

Run more efficiently

Run at high speed

Explode

Not run

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Internal Combustion Engines
Which one of the following event would reduce volumetric efficiency of a vertical compression ignition engine?

Inlet valve closing before bottom dead center

Inlet valve opening before top dead center

Inlet valve closing after bottom dead center

Exhaust valve closing after top dead center

Inlet valve closing before bottom dead center

Inlet valve opening before top dead center

Inlet valve closing after bottom dead center

Exhaust valve closing after top dead center

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Internal Combustion Engines
The inlet valve of a four stroke cycle internal combustion engine remains open for

180Â°

270Â°

230Â°

130Â°

180Â°

270Â°

230Â°

130Â°

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Internal Combustion Engines

Internal Combustion Engines Pour point of fuel oil is the

Internal Combustion Engines A gas engine has a swept volume of 300 cm3 and clearance volume of 25 cm3. Its volumetric efficiency is 0.88 and mechanical efficiency is 0.90. The volume of the mixture taken in per stroke is

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 In a petrol engine, if diesel is used, then the engine will

Internal Combustion Engines Which one of the following event would reduce volumetric efficiency of a vertical compression ignition engine?

Internal Combustion Engines The inlet valve of a four stroke cycle internal combustion engine remains open for

Internal Combustion Engines
Pour point of fuel oil is the

Internal Combustion Engines
A gas engine has a swept volume of 300 cm3 and clearance volume of 25 cm3. Its volumetric efficiency is 0.88 and mechanical efficiency is 0.90. The volume of the mixture taken in per stroke is

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
In a petrol engine, if diesel is used, then the engine will

Internal Combustion Engines
Which one of the following event would reduce volumetric efficiency of a vertical compression ignition engine?

Internal Combustion Engines
The inlet valve of a four stroke cycle internal combustion engine remains open for