40096
43196
53196
60196
✅ The correct answer is option D.
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.
2292. Which of the following is a component of working capital investment ?
Utilities plants.
Maintenance and repair inventory.
Process equipments.
Depreciation.
✅ The correct answer is option B.
2293. ‘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
1.2 to 1.4
2.5 to 2.7
4.2 to 4.4
6.2 to 6.4
✅ The correct answer is option C.
2294. Turn down ratio of a burner
Should be as low as possible i.e., 1 : 2
Should be 1:1 for a batch type furnace.
Is the ratio of maximum to minimum permissible heat input rates
Is normally much more for a continuous furnace as compared to a batch furnace
✅ The correct answer is option C.
2295. A present sum of Rs. 100 at the end of one year, with half yearly rate of interest at 10%, will be Rs.
121
110
97
91
✅ The correct answer is option A.
2296. Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent.
Oct-15
25-30
45-50
65-70
✅ The correct answer is option B.
2297. Reducing atmosphere is maintained in a
Calcination kiln
Blast furnace
Soaking pit
L.converter
✅ The correct answer is option B.
2298. In practical operation of any furnace, zero oxygen percentage or theoretical COâ‚‚ percentage in flue gas is rarely achieved, because of
Use of non-preheated combustion air
Use of pulverised solid fuels
Imperfect mixing of fuel & air and infiltration of air
Use of excessive positive draft in the furnace
✅ The correct answer is option C.
2299. A machine has an initial value of Rs. 5000, service life of 5 years and final salvage value of Rs. 1000. The annual depreciation cost by straight line method is Rs.
300
600
800
1000
✅ The correct answer is option C.
2300. The reason for excessive clinker formation in gas producers is the
Use of coal/coke containing a high % of fines and ash
Use of fuel having too low an ash fusion temperature
Development of hot spots in the fuel bed and an abnormally high rate of gasification
All of the above
✅ The correct answer is option D.