Petroleum Refinery Engineering MCQs

Question 1

Increase in the specific gravity of petroleum products indicates

Accepted Answer

Decrease in paraffin content

Answer

Increase in thermal energy per unit weight

Answer

Increase in aromatic content

Answer

Higher H/C ratio

Question 2

Naphthenic acid is a/an __________ compound.

Accepted Answer

Oxygen

Answer

Sulphur

Answer

Nitrogen

Answer

None of these

Question 3

Pressure & temperature maintained in catalytic cracking is about

Accepted Answer

2atm & 500°C

Answer

10atm & 500°C

Answer

30atm & 200°C

Answer

50atm. & 750°C

Question 4

Boiling range of motor gasoline is an indication of the

Accepted Answer

Rate of acceleration

Answer

Case of starting

Answer

Vapour locking tendency

Answer

All of the above

Question 5

Flash point of diesel/kerosene (>50°C) is determined by the

Accepted Answer

Abel apparatus

Answer

Pensky-Martens apparatus

Answer

Saybolt chromometer

Answer

None of these

Question 6

Which of the following tests is not done for transformer oil?

Accepted Answer

Aniline point

Answer

Flash point and acid value

Answer

Dielectric strength

Answer

Copper strip corrosion test

Question 7

__________ test is done to find out the softening point of bitumen.

Accepted Answer

Ball and ring

Answer

Impact

Answer

Flame

Answer

Viscosity

Question 8

In solutizer sweetening process, solutizer solution used is

Accepted Answer

Both A & B

Answer

Methanol in Unisol process

Answer

Naphthenic acid in Mercapsol process

Answer

Neither A nor B

Question 9

Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is __________ centistokes (or 100 Redwood I seconds).

Accepted Answer

25

Answer

5

Answer

50

Answer

100