Pour point of fuel oil is the

Internal Combustion Engines
Pour point of fuel oil is the

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

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

It catches fire without external aid

Temperature at which it solidifies or congeals

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

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

It catches fire without external aid

Temperature at which it solidifies or congeals

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Internal Combustion Engines
The pressure and temperature at the end of compression stroke in a petrol engine are of the order of

20-30 kg/cmÂ² and 450-500Â°C

4-6 kg/cmÂ² and 200-250Â°C

6-12 kg/cmÂ² and 250-350Â°C

12-20 kg/cmÂ² and 350-450Â°C

20-30 kg/cmÂ² and 450-500Â°C

4-6 kg/cmÂ² and 200-250Â°C

6-12 kg/cmÂ² and 250-350Â°C

12-20 kg/cmÂ² and 350-450Â°C

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Internal Combustion Engines
The maximum temperature in the I.C. engine cylinder is of the order of

1500-2000Â°C

2000-2500Â°C

500-1000Â°C

1000-1500Â°C

1500-2000Â°C

2000-2500Â°C

500-1000Â°C

1000-1500Â°C

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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 brake power (B.P.) of the engine is given by (where W = Brake load or dead load in newtons, l = Length of arm in meters, N = Speed of engine in r.p.m., S = Spring balance reading in newtons, D = Dia. of brake drum in meters, and d = Dia. of rope in meters)

All of these

P = (Wl × 2πN)/60 watts

P = [(W - S) π (D + d) N]/60 watts

P = [(W - S) πDN]/60 watts

All of these

P = (Wl × 2πN)/60 watts

P = [(W - S) π (D + d) N]/60 watts

P = [(W - S) πDN]/60 watts

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Internal Combustion Engines
The loud pulsating noise heard within the cylinder of an internal combustion engine is known as

Pre-ignition

Supercharging

Turbulence

Detonation

Pre-ignition

Supercharging

Turbulence

Detonation

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Internal Combustion Engines

Internal Combustion Engines Pour point of fuel oil is the

Internal Combustion Engines The pressure and temperature at the end of compression stroke in a petrol engine are of the order of

Internal Combustion Engines The maximum temperature in the I.C. engine cylinder is of the order of

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

Internal Combustion Engines The brake power (B.P.) of the engine is given by (where W = Brake load or dead load in newtons, l = Length of arm in meters, N = Speed of engine in r.p.m., S = Spring balance reading in newtons, D = Dia. of brake drum in meters, and d = Dia. of rope in meters)

Internal Combustion Engines The loud pulsating noise heard within the cylinder of an internal combustion engine is known as

Internal Combustion Engines
Pour point of fuel oil is the

Internal Combustion Engines
The pressure and temperature at the end of compression stroke in a petrol engine are of the order of

Internal Combustion Engines
The maximum temperature in the I.C. engine cylinder is of the order of

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

Internal Combustion Engines
The brake power (B.P.) of the engine is given by (where W = Brake load or dead load in newtons, l = Length of arm in meters, N = Speed of engine in r.p.m., S = Spring balance reading in newtons, D = Dia. of brake drum in meters, and d = Dia. of rope in meters)

Internal Combustion Engines
The loud pulsating noise heard within the cylinder of an internal combustion engine is known as