2351. Annual depreciation costs are constant, when the __________ method of depreciation calculation is used.
declining balance
straight line
sum of the years digit
none of these
✅ The correct answer is option B.
Chemical Engineering
Prepare with the best Chemical Engineering MCQs with answers and detailed explanations for exams and job tests. Our collection covers key topics such as chemical process calculations, thermodynamics, fluid mechanics, heat transfer, mass transfer, reaction engineering, instrumentation, and plant design. These Chemical Engineering multiple-choice questions are ideal for students, competitive exam aspirants, and professionals preparing for NTS, PPSC, FPSC, PEC exams, GATE, university entry tests, and job interviews. Practice online with updated Chemical Engineering MCQs to strengthen your concepts and improve technical problem-solving skills.
2352. Crude oil is transported inland from oil field to refineries, mainly by the
road tankers
rail tankers
underground pipelines
none of these
✅ The correct answer is option C.
2353. Choose the correct statement regarding thermal cracking.
Moderate changes in operating temperature does not change the depth of cracking.
Increased residence time results in the decreased severity of cracking.
At low pressure, the yield of lighter hydrocarbons are more.
Greater depth of cracking gives lower octane number gasoline.
✅ The correct answer is option D.
2354. Effluent treatment cost in a chemical plant is categorised as the __________ cost.
fixed
overhead
utilities
capital
✅ The correct answer is option C.
2355. Out of the following, the depreciation calculated by the __________ method is the maximum.
diminishing balance
straight line
sum of the years digit
sinking fund
✅ The correct answer is option A.
2356. Which of the following hydrocarbons of same carbon atoms has minimum smoking tendency ?
Paraffins
Naphthenes
Aromatics
Iso-paraffins
✅ The correct answer is option A.
2357. Waxes present in petroleum products
can be separated out by distillation.
are not soluble in them.
crystallise out at low temperature.
decrease their viscosity.
✅ The correct answer is option C.
2358. Cetane number of diesel used in trucks may be about
50
14
35
85
✅ The correct answer is option A.
2359. The ratio of gross annual sales to the fixed capital investment is termed as the __________ ratio.
cash reserve
capital
turnover
investment
✅ The correct answer is option C.
2360. ‘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.
l to 5
10 to 20
25 to 35
35 to 45
✅ The correct answer is option B.