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 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 = [(W - S) πDN]/60 watts

P = (Wl × 2πN)/60 watts

P = [(W - S) π (D + d) N]/60 watts

All of these

P = [(W - S) πDN]/60 watts

P = (Wl × 2πN)/60 watts

P = [(W - S) π (D + d) N]/60 watts

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Internal Combustion Engines
The operation of forcing additional air under pressure in the engine cylinder is known as

Turbulence

Supercharging

Pre-ignition

Scavenging

Turbulence

Supercharging

Pre-ignition

Scavenging

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Internal Combustion Engines
Number of working strokes per min. for a two stroke cycle engine is ____ the speed of the engine in r.p.m.

One-half

Equal to

Four-times

Twice

One-half

Equal to

Four-times

Twice

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Internal Combustion Engines
The ignition quality of diesel oil is expressed by

Cetane number

Calorific value

Octane number

None of the listed here

Cetane number

Calorific value

Octane number

None of the listed here

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Internal Combustion Engines
The size of inlet valve of an engine in comparison to exhaust valve is

Same

Less

More/less depending on capacity of engine

More

Same

Less

More/less depending on capacity of engine

More

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Internal Combustion Engines
An hmh flame speed is obtained in diesel engine when air fuel ratio is

About 35% of rich mixture

Chemically correct mixture

About 10% of rich mixture

Uniform throughout the mixture

About 35% of rich mixture

Chemically correct mixture

About 10% of rich mixture

Uniform throughout the mixture

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Internal Combustion Engines

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 operation of forcing additional air under pressure in the engine cylinder is known as

Internal Combustion Engines Number of working strokes per min. for a two stroke cycle engine is ____ the speed of the engine in r.p.m.

Internal Combustion Engines The ignition quality of diesel oil is expressed by

Internal Combustion Engines The size of inlet valve of an engine in comparison to exhaust valve is

Internal Combustion Engines An hmh flame speed is obtained in diesel engine when air fuel ratio is

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 operation of forcing additional air under pressure in the engine cylinder is known as

Internal Combustion Engines
Number of working strokes per min. for a two stroke cycle engine is ____ the speed of the engine in r.p.m.

Internal Combustion Engines
The ignition quality of diesel oil is expressed by

Internal Combustion Engines
The size of inlet valve of an engine in comparison to exhaust valve is

Internal Combustion Engines
An hmh flame speed is obtained in diesel engine when air fuel ratio is