Chemical Engineering MCQs

Page No. 758

‘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?


a1 to 5


b10 to 20


c25 to 35


d35 to 45


View Answer 10 to 20

Construction expenses are roughly _____________ percent of the total direct cost of the plant ?


a2


b10


c30


d50


View Answer 10

Optimum economic pipe diameter for fluid is determined by the___________________?


aViscosity of the fluid


bDensity of the fluid


cTotal cost considerations (pumping cost plus fixed cost of the pipe)


dNone of these



Following the six-tenth factor rule, if a log-log plot of capacity of the equipment vs. cost of the equipment is made, then a straight line is obtained, whose slope is equal to_________________?


a0.1


b0.6


c0.2


d0.2


View Answer 0.6

Which of the following is not a component of the working capital for a chemical process plant ?


aProduct inventory


bIn-process inventory


cMinimum cash reserve


dStorage facilities


View Answer Storage facilities

Optimum number of effects in a multiple effect evaporator is decided by the____________________?


aCost benefit analysis


bFloor area availability


cTerminal parameters


dEvaporation capacity required


View Answer Cost benefit analysis

An investment of Rs. 100 lakhs is to be made for construction of a plant, which will take two years to start production. The annual profit from the operation of the plant is Rs. 20 lakhs. What will be the payback time ?


a5 years


b7 years


c12 years


d10 years


View Answer 7 years

Which of the following is not a mathematical method for evaluation of profitability of a chemical process plant ?


aCash reserve


bRate of return on investment


cPayout period


dDiscounted cash flow based on full life performance


View Answer Cash reserve

In which of the electric power generation system, the operating cost is minimum ?


aThermal


bNuclear


cHydroelectric


dFast breeder reactor


View Answer Hydroelectric

Direct costs component of the fixed capital consists of _____________________?


aContingencies


bOnsite and offsite costs


cLabour costs


dRaw material costs



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