WorksheetsOnline Test-1, "IC Engines", I Year EIE (2023-27 Batch)
Total questions: 10
Worksheet time: 10mins
A 150 cc engine has following parameter as 150 cc
fuel tank capacity
swept volume
cylinder volume
clearance volume.
Compression ratio of LC. engines is
The ratio of volumes of air in cylinder before compression stroke and after compression stroke
volume displaced by piston per stroke and clearance volume in cylinder
ratio of pressure after compression and before compression
swept volume/cylinder volume
The operation of forcing additional air under pressure in the engine cylinder is known as
Scavenging
Turbulence
Supercharging
Pre-ignition
The working cycle in case of four stroke engine is completed in following number of revolutions of crankshaft
1/2 (i.e. 0.5)
1
2
4
Which of the following is not an internal combustion engine?
2-stroke petrol engine
4-stroke petrol engine
diesel engine
steam turbine
In a diesel engine, the fuel is ignited by
spark
injected fuel
heat resulting from compressing air that is supplied for combustion
ignition
combustion chamber.
A diesel engine has compression ratio from
6 to 10
10 to 15
16 to 20
25 to 40
For same compression ratio and for same heat added
Otto cycle is more efficient than Diesel Cycle
Diesel cycle is more efficient than Otto Cycle
Efficiency depends on other factors
None of the mentioned
The air fuel ratio of the petrol engine is controlled by
fuel pump
governor
injector
carburettor
A stoichiometric air fuel ratio is
chemically correct mixture
lean mixture
rich mixture for idling
rich mixture for over loads
