Volumetric efficiency of LPG fuelled engine is improved by
A. Increasing the size of the induction tracts
B. Increasing the inlet pressure with turbocharger or supercharger
C. Increasing the size of valves
D. All of the above
Answer: Option D
Related Questions on Performance and Testing of Engines
Mechanical efficiency of an automobile engine usually varies in the range:
A. 50% - 60%
B. 60% - 70%
C. 70% - 90%
D. More than 90%
A. Increase
B. Decrease
C. Independent
D. None of the above
How many times in a minute does each valve on a 4-stroke engine running at 2000 rpm open and close?
A. 1000
B. 2000
C. 4000
D. 6000
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