Related Questions

The thermal efficiency of diesel engines is about
A 15%
B 30%
C 50%
D 70%
The Diesel engines as compared to petrol engines require
A Bigger flywheel
B Smaller flywheel
C Same size of flywheel
D No flywheel
The thermal efficiency of a gas turbine as compared to a diesel plant is
A Same
B More
C Less
D Depends on other factors
The thermal efficiency of a petrol engine is _________ as compared to diesel engine.
A Same
B Less
C More
D None of these
The thermal efficiency of a diesel cycle having fixed compression ratio, with increase in cut-off ratio will
A Increase
B Decrease
C Be independent
D May increase or decrease depending on other factors
The thermal efficiency of diesel engine-
A 15%
B 30%
C 50%
D 70%
The thermal efficiency of petrol and gas engines is about
A 15%
B 30%
C 50%
D 70%
The correct sequence of the decreasing order of brake thermal efficiency of the three given basic types of engines is
A Four stroke C.I. engine, four stroke S.I. engine, two stroke S.I. engine
B Four stroke S.I. engine, four stroke C.I. engine, two stroke S.I. engine
C Four stroke C.I. engine, two stroke S.I. engine, four stroke S.I. engine
D Two stroke S.I. engine, four stroke S.I. engine, four stroke C.I. engine
When cut-off ratio is __________ the efficiency of Diesel cycle approaches to Otto cycle efficiency.
A Zero
B $$\frac{1}{5}$$
C $$\frac{4}{5}$$
D 1
When cut-off ratio is ________; the efficiency of Diesel cycle approaches to Otto cycle efficiency
A $$\frac{1}{4}$$
B Zero
C $$\frac{1}{5}$$
D 2

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