Operating condition in the electrical dehydrators for crude oil is about
Options
A. 6.5 kgf/Cm2 & 95°C.
B. 1 atm. & 110 °C.
C. 20 kgf/cm2 & 110°C.
D. 50 atm. and 150°C.
Correct Answer
6.5 kgf/Cm2 & 95°C.
More questions
1. In case of design of a shell and tube heat exchanger,
Options
A. minimum cleaning lane of 6.5 mm is provided, when tubes are on a square pitch.
B. minimum tube sheet thickness (in which tubes are fixed) is equal to the O.D. of the tube upto 15 mm tube diameter; and for > 15 mm tube diameter, tube sheet thickness is smaller than tube diameter.
C. O.D. of the tube is 6 to 40 mm while the tube lengths used are 0.5, 2.5, 3.0, 4.0, 5.0, 6 metres.