Chemical Engineering MCQs

A. Surface area & emissivity of the stock
B. Properties of the muffle wall (temperature, area, and emissivity)
C. Both a. & b.
D. Neither a. nor b.

A. Movement of gases
B. Measurement of flue gas volume
C. Temperature control
D. Pressure adjustment

A. Tunnel kiln
B. Rotary kiln
C. Soaking pit
D. Reheating furnace

A. Horizontal
B. Vertical
C. Tangential
D. All a., b. and c.

A. Gate
B. Butterfly
C. Globe
D. None of these

A. Should be as low as possible i.e., 1 : 2
B. Should be 1:1 for a batch type furnace
C. Is the ratio of maximum to minimum permissible heat input rates
D. Is normally much more for a continuous furnace as compared to a batch furnace

A. Glass tank furnace
B. Open hearth furnace
C. Cupola
D. Reheating furnace

A. Flue gas volume
B. Flame temperature
C. Fuel consumption
D. Stack loss

A. Occupy more space
B. Are less costly
C. Are of smaller size
D. All a., b. and c.

A. Are lighter
B. Occupy more space
C. Are less costly
D. Have higher pressure differential between flue gas & air side