The thermal efficiency of petrol and gas engines is about
15 %
30 %
50 %
70 %
- The mechanical efficiency (ηm) of the engine is given by
- Supercharging is essential in
- Morse test is used to determine the I.P. of a
- A fuel of cetane number 40 has the same ignition quality as a mixture of
- Compression ratio of I.C. Engines is
- An hmh flame speed is obtained in diesel engine when air fuel ratio is
- Which of the following is the lightest and most volatile liquid fuel?
- The voltage required to produce a spark across the gap, between the sparking points is
- In a typical medium speed 4-stroke cycle diesel engine the inlet valve
- A diesel engine, during suction stroke, draws
- The scavenging efficiency of a four stroke cycle diesel engine is
- Compression loss in I.C engines occurs due to
- If petrol is used in a diesel engine, then
- The thermal efficiency of a petrol engine is _________ as compared to diesel engine.
- Which of the following fuel has little tendency towards detonation?
- In a typical medium speed 4-stroke cycle diesel engine
- Fuel oil consumption guarantees for I .C. engine are usually based on
- If the speed of the engine is increased, the indicated power will
- Which of the following statement is wrong?
- Alpha-methyl-naphthalene (C₁₁ H₁₀) has a cetane number of
- A diesel engine is _________ as compared to petrol engine, both running at rated load.
- A diesel engine has
- In a four stroke cycle petrol engine, the pressure inside the engine cylinder during the suction stroke…
- Pick up the wrong statement about supercharging
- The compression ignition engines are governed by
- As compared to air standard cycle, in actual working, the effect of variation in specific heats is to
- A carburettor is used to supply
- In a four stroke cycle petrol engine, the charge is ignited at
- The effective inhibitor of pre-ignition is
- A gas engine has a swept volume of 300 cm3 and clearance volume of 25 cm3. Its volumetric efficiency…