Study desk with books and learning tools for subject-based MCQ preparation

Subject practice

chemical engineering furnace technology MCQs

Practise multiple-choice questions from chemical engineering furnace technology for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

chemical engineering furnace technology Mcqs

1. Rate of heat release in a furnace, which is the measure of heat intensity, is defined as_________________?
0

A. kcal/m3 combustion space

B. kcal/hr/m3 combustion space

C. None of these

D. kcal/hr

2. _____________ atmosphere is maintained inside an iron blast furnace?
0

A. Reducing

B. Inert

C. Decarburising

D. Oxidising

3. Ostwald charts are meant for__________________?
0

A. Computation of flue gas analysis

B. Computing the excess/deficiency of combustion air

C. None of these

D. Calculation of flue gas temperature

4. The thermal efficiency of an air/fuel gas preheating recuperator may be as high as _____________ percent?
0

A. 99

B. 50

C. 85

D. 65

5. An example of shaft furnace is the__________________?
0

A. Soaking pit

B. L.D. converter

C. Blast furnace

D. Glass melting tank

6. Coke ovens in steel plant are heated by____________________?
0

A. Electricity

B. Blast furnace gas/mixed gas

C. Coke oven gas

D. Both B. and C.

7. While the fuel fired furnace can be used upto a maximum temperature of about 1700C, the electric furnace can be used upto a temperature of about _____________ C?
0

A. 6000

B. 4500

C. 2000

D. 3000

8. Large tonnage of refractory bricks are dried in a_____________________?
0

A. Shaft furnace

B. Rotary hearth furnace

C. Tunnel kiln

D. Muffle furnace

9. Design of waste heat boiler for recovery of waste heat from furnace gases depends upon the_________________?
0

A. Dust concentration & nature of dust in waste gas

B. All A., B. and C.

C. Quantity & temperature of waste gas

D. Corrosive nature of the waste gas

10. An example of recuperative furnace is the__________________?
0

A. Open hearth furnace

B. None of these

C. Soaking pit

D. Coke ovens

11. Presence of SO2 in furnace gases attacks the ferrous metal by way of_________________?
0

A. All A., B. and C.

B. Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at

C. Accelerating the rate of scaling

D. Causing metal embrittlement

E. h temperature

12. Regenerators as compared to recuperators for the same duty_________________?
0

A. Store smaller quantity of waste heat

B. Involve higher initial cost

C. All A., B. & C.

D. Are lighter & compact

13. The main function of a muffle in the muffle furnace is to__________________?
0

A. Protect the charge from the effects of the products of combustion

B. Smooth out temperature inequalities on the combustion side of the muffle wall

C. Both A. & B.

D. Neither A. nor B.

14. Soaking pits are meant for heating steel_________________?
0

A. Sheets

B. Slabs

C. Ingots

D. Coils

15. Shaft furnaces are used for_______________________?
0

A. Calcining

B. All A., B. and C.

C. Smelting

D. Roasting

16. In order to maintain an oxidising atmosphere in a furnace, it should have__________________?
0

A. Less of excess air

B. More of CO2 in flue gas

C. More of excess air

D. More of CO in flue gas

17. Which one is not an induced draught furnace ?
0

A. None of these

B. Sintering furnace

C. High pressure boiler

D. Blast furnace stove

18. Means for giving direction to the circulation of gases in furnaces are_____________________?
0

A. All A., B. and C.

B. Location of outlet ports and heating & combustion devices

C. Fans

D. Arrangement of heating stock in the furnaces

19. Regenerators are installed in_______________?
0

A. Coke ovens

B. Open hearth furnace

C. Both A. & B.

D. Neither A. nor B.

20. An example of indirectly heated furnace is the_________________?
0

A. Reheating furnace

B. None of these

C. Muffle furnace

D. Soaking pit

Previous Next

Showing 1 to 20 of 140 mcqs