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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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Chemical Engineering MCQs designed for job test and interview preparation, particularly for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover important topics such as the fundamentals of chemical engineering, chemical processes, chemical reactions, process control, and instrumentation, along with other key concepts in the field.

All Topics  9594

‘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
Correct Answer: 10 to 20
For a given fluid, as the pipe diameter increases, the pumping cost ______________________?
A Decreases
B Increases
C Remains the same
D May increase or decrease, depending upon whether the fluid is Newtonian or non-Newtonian
Correct Answer: Decreases
Construction expenses are roughly _____________ percent of the total direct cost of the plant ?
A 2
B 10
C 30
D 50
Correct Answer: 10
Optimum economic pipe diameter for fluid is determined by the___________________?
A Viscosity of the fluid
B Density of the fluid
C Total cost considerations (pumping cost plus fixed cost of the pipe)
D None of these
Correct Answer: Total cost considerations (pumping cost plus fixed cost of the pipe)
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_________________?
A 0.1
B 0.6
C 0.2
D 0.8
Correct Answer: 0.6
Which of the following is not a component of the working capital for a chemical process plant ?
A Product inventory
B In-process inventory
C Minimum cash reserve
D Storage facilities
Correct Answer: Storage facilities
Optimum number of effects in a multiple effect evaporator is decided by the____________________?
A Cost benefit analysis
B Floor area availability
C Terminal parameters
D Evaporation capacity required
Correct 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 ?
A 5 years
B 7 years
C 12 years
D 10 years
Correct Answer: 7 years
Which of the following is not a mathematical method for evaluation of profitability of a chemical process plant ?
A Cash reserve
B Rate of return on investment
C Payout period
D Discounted cash flow based on full life performance
Correct Answer: Cash reserve
In which of the electric power generation system, the operating cost is minimum ?
A Thermal
B Nuclear
C Hydroelectric
D Fast breeder reactor
Correct Answer: Hydroelectric
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