Related Questions

The maximum permissible noise level to which a man working in a chemical plant can be exposed for eight hours per day is about __________ decibels.
A 60
B 90
C 105
D 120
Noise pollution level in a chemical plant is expressed in
A Roentgen
B Decibel
C Hertz
D None of these
The economic life of a large chemical process plant as compared to a small chemical plant is
A Only slightly more
B Much more
C Slightly less
D Almost equal
Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The reatio of chemical potential to free energy of a pure substance at oconstant temperature and pressure is
A 0
B 1
C ∞
D None of these
'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
The major reason of hydrodynamic noise (i.e., noise resulting from liquid flow) is
A Pipe vibrations
B Cavitation
C Boundary layer separation
D Fluctuation in liquid flow
Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid ilow control. It is caused due to
A Reynold stresses
B Shear forces
C Both A & B
D Neither A nor B
A balance sheet for a chemical plant shows its financial condition at any given date. It does not contain the __________ of the plant.
A Current asset
B Current liability
C Long term debt
D Profit
Cost of instrumentation in a modern chemical plant ranges from __________ percent of the total plant cost.
A 5 to 10
B 20 to 30
C 40 to 50
D 60 to 70
Fixed capital investment of a chemical plant is the total amount of money needed to supply the necessary plant and manufacturing facilities plus the working capital for operation of the facilities. Which of the following components of fixed capital investment requires minimum percentage of it?
A Electrical installation cost
B Equipment installation cost
C Cost for piping
D Equipment insulation cost

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