The cetane rating of Diesel fuel is in the order of

A certain truck uses 18 gallons of diesel fuel in traveling 270 miles. In order for the truck to travel the same distance using 10 gallons of diesel fuel, by how many miles per gallon must the truck's fuel mileage be increased.

A

12

B

15

C

27

D

9

The cetane number of a Diesel fuel is a measure of

A

Volatility

B

Viscosity

C

Ignition quality

D

Delay period

Alcohols are not suitable as diesel engine fuel because the cetane number of alcohols is

A

Very low which prevents their ignition by compression

B

Very high which prevents their ignition by compression

C

Zero

D

None of these

Cetane number of a diesel fuel is the measure of its

A

Ignition delay

B

Smoke point

C

Viscosity

D

Oxidation stability

What are the two reference fuels used for cetane rating?

A

cetane and iso-octane

B

cetane and alpha-methyl naphthalene

C

cetane and normal heptane

D

none of the mentioned

The two reference fuels used for cetane rating are

A

Cetane and iso-octane

B

Cetane and alpha-methyl naphthalene

C

Cetane and normal heptane

D

Cetane and tetra ethyl lead

Which of the following additives improves the cetane number of diesel?

A

Amyl nitrate

B

Ethyl mercaptan

C

Napthenic acid

D

Tetra ethyl lead

Which of the following is an additive used for improving the cetane number of diesel?

A

Tetraethyl lead

B

Tetramethyllead

C

Ethyl nitrate or acetone

D

None of these

The cetane number of diesel oil, generally available, is

A

20 to 25

B

25 to 30

C

30 to 40

D

40 to 55

Cetane number of diesel used in trucks may be about

A

50

B

14

C

35

D

85

The cetane rating of Diesel fuel is in the order of

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