piston

THe force which allows a object to turn is called

• Work
• Torque
• Thermal efficiency

The mechanical unit of power is?

• Brake horsepower
• Horse power
• foot pound

The ratio that shows that how much power is actually delivered to output shaft by expanding of gases is known as?

• Work done
• Thermal efficiency
• Mechanical efficieny

The useful power which is delived by the engine is calculated with the unit called as?

• BHP
• SHP
• HP

When A piston moves from BDC to TDC its means which strokes the piston is performing

• Compression and intake
• Power and Exhaust
• Compression and Exhaust

The ratio of useful work done by an engine to the heat energy of the fuel it used is?

• Mechanical power
• Mechanical efficieny
• Thermal efficiency

If an engine is consuming low fuel its means the engine is what efficient

• High Volumentric efficient
• Low Mechanical efficient
• High Thermal efficienct

The ratio of thrust horsepower to brake horsepower is known as?

• Volumetric efficiency
• Propulsive efficiency
• Thermal efficiency

Which Component is responsible for to enter air /Fuel mixture in cylinder

• Intake valve
• Exhaust valve
• Plug valve

How many events are in four stroke piston engines?

• Four
• Five
• Three