Chemical Engineering Plant Economics — Part 2 MCQs with Explanations
Practice high-yield Chemical Engineering MCQs on Chemical Engineering Plant Economics — Part 2 with worked academic solutions for FPSC, PPSC, PAEC, OGDCL.
Questions
40
Difficulty Level
Exam-Level
Target Exams
FPSC, PPSC, PAEC...
Estimated Time
48 mins
Exam-Level FPSC PPSC PAEC OGDCL
Verified for Commission Syllabus • Oct 14, 2026
40
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Question 1 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
The ratio of working capital to total capital investment for most chemical plants (except for non-seasonal based products) is in the range of __________ percent.
Correct Answer: Option C — 10 to 20
Detailed Academic Explanation:
10 to 20 is the correct answer to “The ratio of working capital to total capital investment for most chemical plants (except for non-seasonal based products) is in the range of __________ percent.”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
Which of the following methods of depreciation calculations results in book values greater than those obtained with straight line method?
Correct Answer: Option B — Sinking fund method
Detailed Academic Explanation:
Sinking fund method is the correct answer to “Which of the following methods of depreciation calculations results in book values greater than those obtained with straight line method”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
Maximum production start up cost for making a chemical plant operational is about __________ percent of the fixed capital cost.
Correct Answer: Option C — 10
Detailed Academic Explanation:
10 is the correct answer to “Maximum production start up cost for making a chemical plant operational is about __________ percent of the fixed capital cost.”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
'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.
Correct Answer: Option B — 10 to 20
Detailed Academic Explanation:
10 to 20 is the correct answer to “'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.”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
A reactor having a salvage value of Rs. 10000 is estimated to have a service life of 10 years. The annual interest rate is 10%. The original cost of the reactor was Rs. 80000. The book value of the reactor after 5 years using sinking fund depreciation method will be Rs.
Correct Answer: Option D — 60196
Detailed Academic Explanation:
60196 is the correct answer to “A reactor having a salvage value of Rs. 10000 is estimated to have a service life of 10 years. The annual interest rate is 10%. The original cost of the reactor was Rs. 80000. The book value of the reactor after 5 years using sinking fund depreciation method will be Rs.”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
For a given fluid, as the pipe diameter increases, the pumping cost
Correct Answer: Option A — Decreases
Detailed Academic Explanation:
Decreases is the correct answer to “For a given fluid, as the pipe diameter increases, the pumping cost”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
The ratio of gross annual sales to the fixed capital investment is termed as the __________ ratio.
Correct Answer: Option C — Turnover
Detailed Academic Explanation:
Turnover is the correct answer to “The ratio of gross annual sales to the fixed capital investment is termed as the __________ ratio.”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
Correct Answer: Option A — Profit before interest and tax i.e., net profit + interest + tax
Detailed Academic Explanation:
Profit before interest and tax i.e., net profit + interest + tax is the correct answer to “Operating profit of a chemical plant is equal to”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
A present sum of Rs. 100 at the end of one year, with half yearly rate of interest at 10%, will be Rs.
Correct Answer: Option A — 121
Detailed Academic Explanation:
121 is the correct answer to “A present sum of Rs. 100 at the end of one year, with half yearly rate of interest at 10%, will be Rs.”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
Which of the following is a component of working capital investment?
Correct Answer: Option B — Maintenance and repair inventory
Detailed Academic Explanation:
Maintenance and repair inventory is the correct answer to “Which of the following is a component of working capital investment”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
Which of the following is not a component of the fixed capital for a chemical plant facility?
Correct Answer: Option A — Raw materials inventory
Detailed Academic Explanation:
Raw materials inventory is the correct answer to “Which of the following is not a component of the fixed capital for a chemical plant facility”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
Which of the following is not a component of the working capital for a chemical process plant?
Correct Answer: Option D — Storage facilities
Detailed Academic Explanation:
Storage facilities is the correct answer to “Which of the following is not a component of the working capital for a chemical process plant”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
Optimum economic pipe diameter for fluid is determined by the
Correct Answer: Option C — Total cost considerations (pumping cost plus fixed cost of the pipe)
Detailed Academic Explanation:
Total cost considerations (pumping cost plus fixed cost of the pipe) is the correct answer to “Optimum economic pipe diameter for fluid is determined by the”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
In which of the electric power generation system, the operating cost is minimum?
Correct Answer: Option C — Hydroelectric
Detailed Academic Explanation:
Hydroelectric is the correct answer to “In which of the electric power generation system, the operating cost is minimum”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
Nominal and effective interest rates are equal, when the interest is compounded
Correct Answer: Option C — Annually
Detailed Academic Explanation:
Annually is the correct answer to “Nominal and effective interest rates are equal, when the interest is compounded”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
Effective and nominal interest rates are equal, when the interest is compounded
Correct Answer: Option A — Annually
Detailed Academic Explanation:
Annually is the correct answer to “Effective and nominal interest rates are equal, when the interest is compounded”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
Which of the following ceramic packing materials is the costliest of all?
Correct Answer: Option A — Berl saddles
Detailed Academic Explanation:
Berl saddles is the correct answer to “Which of the following ceramic packing materials is the costliest of all”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
'Lang factor' is defined as the ratio of the capital investment to the delivered cost of major equipments. The value of 'Lang factor' for fixed capital investment, for a solid-fluid processing chemical plant ranges from
Correct Answer: Option C — 4.2 to 4.4
Detailed Academic Explanation:
4.2 to 4.4 is the correct answer to “'Lang factor' is defined as the ratio of the capital investment to the delivered cost of major equipments. The value of 'Lang factor' for fixed capital investment, for a solid-fluid processing chemical plant ranges from”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
In an ordinary chemical plant, electrical installation cost may be about
Correct Answer: Option C — Either A or B
Detailed Academic Explanation:
Either A or B is the correct answer to “In an ordinary chemical plant, electrical installation cost may be about”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
Manufacturing cost in a chemical company does not include the
Correct Answer: Option D — Administrative expenses
Detailed Academic Explanation:
Administrative expenses is the correct answer to “Manufacturing cost in a chemical company does not include the”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
Which of the following is not a component of depreciation cost?
Correct Answer: Option A — Repairs and maintenance cost
Detailed Academic Explanation:
Repairs and maintenance cost is the correct answer to “Which of the following is not a component of depreciation cost”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
Cost incurred towards __________ in a chemical plant is a component of the utilities cost.
Correct Answer: Option A — Water supply
Detailed Academic Explanation:
Water supply is the correct answer to “Cost incurred towards __________ in a chemical plant is a component of the utilities cost.”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
A balance sheet for a chemical plant shows its financial condition at any given date. It does not contain the __________ of the plant.
Correct Answer: Option D — Profit
Detailed Academic Explanation:
Profit is the correct answer to “A balance sheet for a chemical plant shows its financial condition at any given date. It does not contain the __________ of the plant.”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
Relative cost of chemical process plants in India is about __________ percent more than the similar plants in U.S.A.
Correct Answer: Option B — 35
Detailed Academic Explanation:
35 is the correct answer to “Relative cost of chemical process plants in India is about __________ percent more than the similar plants in U.S.A.”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
The amount of simple interest during 'n' interest period is (where, i = interest rate based on the length of one interest period, p = principal)
Correct Answer: Option A — P.i.n.
Detailed Academic Explanation:
P.i.n. is the correct answer to “The amount of simple interest during 'n' interest period is (where, i = interest rate based on the length of one interest period, p = principal)”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
Accumulated sum at the end of 5 years, if Rs. 10000 is invested now at 10% interest per annum on a compound basis is Rs.
Correct Answer: Option B — 16105
Detailed Academic Explanation:
16105 is the correct answer to “Accumulated sum at the end of 5 years, if Rs. 10000 is invested now at 10% interest per annum on a compound basis is Rs.”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
'P' is the investment made on an equipment, 'S' is its salvage value and 'n' is the life of the equipment in years. The depreciation for rath year by the sum-of years digit method will be
$$\frac{{2\left( {{\text{n}} - {\text{m}} + 1} \right)}}{{{\text{n}}\left( {{\text{n}} + 1} \right)}} \cdot \left( {{\text{P}} - {\text{S}}} \right)$$ is the correct answer to “'P' is the investment made on an equipment, 'S' is its salvage value and 'n' is the life of the equipment in years. The depreciation for rath year by the sum-of years digit method will be”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
Total cost is the correct answer to “Profit is equal to revenue minus”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
A shareholder has __________ say in the affairs of company management compared to a debenture holder.
Correct Answer: Option A — More
Detailed Academic Explanation:
More is the correct answer to “A shareholder has __________ say in the affairs of company management compared to a debenture holder.”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
Chemical engineering plant cost index is used for finding the present cost of a particular chemical plant, if the cost of similar plant at some time in the past is known. The present cost of the plant = $${\text{original cost}} \times \frac{{{\text{index value at present}}}}{{{\text{index value at time original cost was obtained}}}}.$$ The most major component of this cost index is
Correct Answer: Option A — Fabricated equipment and machinery
Detailed Academic Explanation:
Fabricated equipment and machinery is the correct answer to “Chemical engineering plant cost index is used for finding the present cost of a particular chemical plant, if the cost of similar plant at some time in the past is known. The present cost of the plant = $${\text{original cost}} \times \frac{{{\text{index value at present}}}}{{{\text{index value at time original cost was obtained}}}}.$$ The most major component of this cost index is”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
Correct Answer: Option A — The financial condition at any given time
Detailed Academic Explanation:
The financial condition at any given time is the correct answer to “A balance sheet for an industrial concern shows”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
Effluent treatment cost in a chemical plant is categorised as the __________ cost.
Correct Answer: Option C — Utilities
Detailed Academic Explanation:
Utilities is the correct answer to “Effluent treatment cost in a chemical plant is categorised as the __________ cost.”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
Construction expenses are roughly __________ percent of the total direct cost of the plant.
Correct Answer: Option B — 10
Detailed Academic Explanation:
10 is the correct answer to “Construction expenses are roughly __________ percent of the total direct cost of the plant.”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
In financial accounting of a chemical plant, which of the following relationship is invalid?
Correct Answer: Option D — Assets = capital
Detailed Academic Explanation:
Assets = capital is the correct answer to “In financial accounting of a chemical plant, which of the following relationship is invalid”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
Personnel working in the market research group is reponsible for the job of
Correct Answer: Option B — Product evaluation
Detailed Academic Explanation:
Product evaluation is the correct answer to “Personnel working in the market research group is reponsible for the job of”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
Correct Answer: Option B — Is the length of time over which the earnings on a project equals the investment
Detailed Academic Explanation:
Is the length of time over which the earnings on a project equals the investment is the correct answer to “Payback period”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
Which of the following is the costliest material of construction used in pressure vessel construction?
Correct Answer: Option C — Titanium
Detailed Academic Explanation:
Titanium is the correct answer to “Which of the following is the costliest material of construction used in pressure vessel construction”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
Correct Answer: Option D — Time of starting of job and also about how much work should be completed during a particular period
Detailed Academic Explanation:
Time of starting of job and also about how much work should be completed during a particular period is the correct answer to “Scheduling provides information about the”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
Total product cost is the correct answer to “Gross earning is equal to the total income minus”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
__________ method for profitability evaluation of a project does not account for investment cost due to land.
Correct Answer: Option B — Pay out period
Detailed Academic Explanation:
Pay out period is the correct answer to “__________ method for profitability evaluation of a project does not account for investment cost due to land.”. This question is standard in competitive examination syllabi for Chemical Engineering Plant Economics.
In competitive commission exams (FPSC, PPSC, KPPSC, SPSC, CSS, PMS), questions are frequently phrased with distractor options designed to catch rote learners. Whenever you answer an MCQ, read the Detailed Academic Explanation and Conceptual Anchor to understand why the remaining options are incorrect.