Related Questions

A supercharged engine as compared to an ordinary engine
A Requires smaller foundation
B Is lighter
C Consumes less lubricating oil
D All of these
Supercharging is the process of supplying the intake air to the engine cylinder at a density _________ the density of the surrounding atmosphere.
A Equal to
B Less than
C Greater than
D None of these
Scavenging air in diesel engine means
A Air used for combustion sent under pressure
B Forced air for cooling cylinder
C Burnt air containing products of combustion
D Air used for forcing burnt gases out of engine's cylinder during the exhaust period
The process of supplying the intake air to the engine cylinder at a pressure greater than the pressure of the surrounding atmosphere is known as
A Supercharging
B Auto ignition
C Scavenging
D Detonation
When the load on the engine increases, it becomes necessary to increase the supply of working fluid and when the load decreases, less working fluid is required. The supply of the working fluid to the engine is controlled by a
A D-slide valve
B governor
C Meyer’s expansion valve
D flywheel
The scavenging efficiency of a four stroke cycle diesel engine is
A Below 50%
B Between 50 and 85%
C Between 85 and 95%
D Between 95 and 100%
In the crankcase method of scavenging, the air pressure is produced by
A Supercharger
B Centrifugal pump
C Natural aspirator
D Movement of engine piston
L is older than M and taller than N. O is younger than P, older than N and shorter than Q. R is older than S, younger than N, shorter than S and taller than Q. S is older than L, M, O, P, Q, R and S is necessarily false?
A O is the shortest of the group.
B N is the second tallest of the group.
C L is the tallest of the group.
D Q is the third oldest of the group.
A number is greater than 3 but less than 8. Also, it is greater than 6 but less than 10. The number is -
A 8
B 5
C 6
D 7
The product P of two prime numbers is between 9 and 55. If one of the prime numbers is greater than 2 but less than 6 and the other is greater than 13 but less than 25, then P =
A 15
B 33
C 34
D 51

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