A gas engine has a swept volume of 300 cm3 and clearance volume of 25 cm3. Its volumetric efficiency is 0.88 and mechanical efficiency is 0.90. The volume of the mixture taken in per stroke is
Select an option to see the answer and solution.
Mechanical Engineering · all questionsInternal Combustion Engines (I.C. Engines)
Internal Combustion Engines (I.C. Engines)
practice.
Practice every MCQ with options. Use Show answers when you want the correct option and solution.
247
Questions
2/13
Page
Pick an option on a question to see the right answer and solution.
The pressure at the end of compression, in diesel engines, is approximately
Select an option to see the answer and solution.
The pressure at the end of compression, in petrol engines, is approximately
Select an option to see the answer and solution.
Air fuel ratio for idling speed of a petrol engine is approximately
Select an option to see the answer and solution.
The specific fuel consumption per BH hour for a petrol engine is approximately
Select an option to see the answer and solution.
The specific fuel consumption per BHP hour for diesel engine is approximately
Select an option to see the answer and solution.
The maximum propulsive efficiency of a turbojet engine is at a speed of
Select an option to see the answer and solution.
The method of determination of indicated power of a multi cylinder spark ignition engine is by the use of
Select an option to see the answer and solution.
The air-fuel ratio of the petrol engine is controlled by
Select an option to see the answer and solution.
The air-fuel ratio in petrol engines is controlled by
Select an option to see the answer and solution.
Does the supply of scavenging air at a density greater than that of atmosphere mean engine is supercharged?
Select an option to see the answer and solution.
The _________ engines can work on very lean mixture of fuel.
Select an option to see the answer and solution.
Iso-octane (C8H18) has octane number of
Select an option to see the answer and solution.
In a four stroke cycle engine, the sequence of operations is
Select an option to see the answer and solution.
In loop scavenging, the top of the piston is
Select an option to see the answer and solution.
The actual volume of fresh charge admitted in 4-stroke petrol engine is
Select an option to see the answer and solution.
The ratio of the volume of charge admitted at N.T.P. to the swept volume of the piston is called
Select an option to see the answer and solution.
In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have
Select an option to see the answer and solution.
The inlet valve of a four stroke cycle internal combustion engine remains open for
Select an option to see the answer and solution.
The turbine of the turboprop engine is __________ that of the turbojet engine.
Select an option to see the answer and solution.