H Diesel Engine
Quiz by Ross Trott
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8 questions
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- Q1What is the main purpose of a diesel engine?Convert mechanical energy into chemical energyGenerate electricityProduce heatConvert chemical energy in fuel into mechanical energy30s
- Q2What is the mechanism that converts the piston's up and down motion into a rotating motion?Flywheel-dynamic balancing mechanismPiston-cylinder mechanismCamshaft-valve mechanismConnecting rod-crankshaft mechanism30s
- Q3What happens during the intake stroke of a diesel engine?Fuel is injected into the cylinderExhaust gases are expelled from the cylinderUnburned fuel is expelled from the cylinderFresh air is drawn into the cylinder30s
- Q4What happens during the compression stroke of a diesel engine?Fuel is injected into the compressed airThe temperature and pressure of the air increase above the self-ignition value of dieselFuel is ignited and burnedThe temperature and pressure of the air decrease30s
- Q5What happens during the power stroke of a diesel engine?The piston moves upward, expelling exhaust gasesThe air is compressed furtherFuel is injected into the cylinderThe ignited fuel-air mixture generates high pressure, pushing the piston down30s
- Q6What happens during the exhaust stroke of a diesel engine?Fresh air is drawn into the cylinderThe piston moves upward, compressing the airFuel is ignited and burnedExhaust gases are expelled from the cylinder30s
- Q7How does the number of cylinders affect the operation of a diesel engine?More cylinders result in higher compressionMore cylinders result in smoother operationMore cylinders result in more powerMore cylinders result in better fuel efficiency30s
- Q8How are the valves controlled in a diesel engine?By camshaftsBy flywheelsBy crankshaftsBy pistons30s