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 = (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 knocking tendency in compression ignition engines for a given fuel will be

Dependent on other factors

Enhanced by decreasing compression ratio

Enhanced by increasing compression ratio

None of these

Dependent on other factors

Enhanced by decreasing compression ratio

Enhanced by increasing compression ratio

None of these

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Internal Combustion Engines
Scavenging air in diesel engine means

Air used for forcing burnt gases out of engine's cylinder during the exhaust period

Air used for combustion sent under pressure

Forced air for cooling cylinder

Burnt air containing products of combustion

Air used for forcing burnt gases out of engine's cylinder during the exhaust period

Air used for combustion sent under pressure

Forced air for cooling cylinder

Burnt air containing products of combustion

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

Higher knocking will occur

Black smoke will be produced

Low power will be produced

Efficiency will be low

Higher knocking will occur

Black smoke will be produced

Low power will be produced

Efficiency will be low

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Internal Combustion Engines
In an internal combustion engine, the process of removing the burnt gases from the combustion chamber of the engine cylinder is known as

Supercharging

Detonation

Polymerisation

Scavenging

Supercharging

Detonation

Polymerisation

Scavenging

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Internal Combustion Engines
In the crankcase method of scavenging, the air pressure is produced by

Natural aspirator

Supercharger

Centrifugal pump

Movement of engine piston

Natural aspirator

Supercharger

Centrifugal pump

Movement of engine piston

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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 knocking tendency in compression ignition engines for a given fuel will be

Internal Combustion Engines Scavenging air in diesel engine means

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

Internal Combustion Engines In an internal combustion engine, the process of removing the burnt gases from the combustion chamber of the engine cylinder is known as

Internal Combustion Engines In the crankcase method of scavenging, the air pressure is produced by

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 knocking tendency in compression ignition engines for a given fuel will be

Internal Combustion Engines
Scavenging air in diesel engine means

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

Internal Combustion Engines
In an internal combustion engine, the process of removing the burnt gases from the combustion chamber of the engine cylinder is known as

Internal Combustion Engines
In the crankcase method of scavenging, the air pressure is produced by