The compression ratio for Diesel engines usually lies in the range of

The compression ratio for Diesel engines is

A

15 to 20

B

5 to 8

C

3 to 6

D

20 to 30

The Diesel engines as compared to petrol engines require

A

Bigger flywheel

B

Smaller flywheel

C

Same size of flywheel

D

No flywheel

The pressure at the end of compression, in diesel engines, is approximately

A

10 bar

B

20 bar

C

25 bar

D

35 bar

Overload capacity of diesel engines is usually restricted to

A

2 percent

B

10 percent

C

20 percent

D

40 percent

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

In diesel engine, the compression ratio in comparison to expansion ratio is

A

Same

B

Less

C

More

D

Variable

Highest useful compression ratio (HUCR) is the highest compression ratio at which the

A

Engine can run

B

Engine gives maximum output

C

Engine is most efficient

D

Fuel can be used in a test engine without knocking

The efficiency of the dual combustion cycle for the same compression ratio is __________ Diesel cycle.

A

Greater than

B

Less than

C

Equal to

D

None of these

For the same compression ratio, the efficiency of Diesel cycle is __________ Otto cycle.

A

Greater than

B

Less than

C

Equal to

D

None of these

A diesel engine has compression ratio from

A

6 to 10

B

10 to 15

C

15 to 25

D

25 to 40

The compression ratio for Diesel engines usually lies in the range of

Related Questions