Related Questions

Fresh water carrying pipelines in chemical industries are coloured with __________ color.
A Sea green
B Brown
C Yellow
D Red
Oxygen carrying pipelines in chemical industries are coloured with __________ colour.
A Yellow
B Black
C Blue
D Red
'Utilities' in a chemical process plant includes compressed air, steam, water, electrical power, oxygen, acetylene, fuel gases etc. Utility costs for ordinary chemical process plants ranges roughly from __________ percent of the total product cost.
A 1 to 5
B 10 to 20
C 25 to 35
D 35 to 45
Steam traps are provided in steam carrying pipelines to
A Condense steam
B Release excess steam pressure by bleeding steam
C Remove condensate and inert gases
D None of these
There are 87 balls in a jar. Each ball is painted with at least one of two colors, red or green. It is observed that 2/7 of the balls that have red color also have green color, while 3/7 of the balls that have green color also have red color. what fraction of the balls in the jar has both red and green colors?
A 6/14
B 2/7
C 6/35
D 6/29
Pressure difference between two points in vessels, pipelines or in two different pipelines can be measured by a differential manometer. The pressure difference measured as the mm of water coloumn in case of mercury-water, differential manometer is equal to (where, H = difference in height of mercury column in mm).
A H
B 12.6 H
C 13.6 H
D 14.6 H
Water hammer is caused in steam carrying pipelines, because of
A Partial condensation of steam
B Vibration of the pipeline
C High degree of superheat of steam
D Its exposure to torrential rain
Which of the following is the most widely used heat insulating material for pipelines carrying steam?
A Tar dolomite bricks followed by asbestos
B Fireclay refractory followed by aluminium sheet
C Cotton followed by aluminium foil
D 85% magnesia cement and glass wool
Venturimeters, orificemeters and nozzles are used to measure the fluid discharge from a pipeline. The average fluid velocity in a pipeline can be measured by a/an
A Weir
B Hot wire anemometer
C Cup and vane aneometer
D None of these
Utilities cost in the operation of chemical process plant comes under the
A Plant overhead cost
B Fixed charges
C Direct production cost
D General expenses

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