1000+ ONGC Petroleum Engineering Interview Questions and Answers - 1

Question: 1

Free water in a crude oil tank is best sampled using a

(A) weighted bottle and cord

(B) bottle and sample cage

(C) bacon bomb or tube type sampler

(D) zone sampler

Question: 2

_____ are used to store the products having very high vapour pressure.

(A) Floating roof tanks

(B) Spherical tanks

(C) Fixed roof tanks

(D) None of the above

Question: 3

Which of the following flow meter is used for custody transfer of petroleum and petroleum products?

(A) orifice flow meter

(B) turbine meter

(C) coriolis flow meter

(D) all of the above

Question: 4

The orifice plate in a gas meter should be installed with the sharp edge

(A) parallel to the flow stream

(B) it does not matter

(C) downstream

(D) upstream

Question: 5

An oil emulsion is

(A) a layer of free water located above a heavy viscous petroleum product

(B) an oil & water mixture that does not readily separate

(C) a heavy viscous liquid containing a large amount of entrained sediment

(D) a heavy viscous liquid