Chemical Engineering MCQs

A. Accelerating the rate of scaling
B. Causing metal embrittlement
C. Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at
HigH temperature

A. Ostwald chart
B. Cox chart
C. Sankey diagram
D. None of these

A. Fusion of coal ash & clinker formation
B. C. v. of producer gas
C. Temperature of producer gas
D. Tar content in producer gas

A. Waste heat recovery from flue gas
B. Minimising heat losses from furnace walls
C. Maintaining proper draught
D. All a., b. and c.

A. Same
B. Less
C. More
D. Either more or less; depends on the flue gas density

A. 2000
B. 3000
C. 4500
D. 6000

A. Calcination of limestone & dolomite
B. Cement manufacture
C. Both a. and b.
D. Neither a. nor b.

A. Ingots
B. Coils
C. Sheets
D. Slabs

A. Glass
B. Stainless steel
C. Potteries
D. Refractory bricks

A. Fire tube
B. Water tube
C. Waste heat
D. Natural circulation