Furnace Technology

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

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

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

A. Horizontal
B. Vertical
C. Tangential
D. All A., B. and C.

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

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

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. 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. Conduction
B. Convection
C. Radiation
D. None of these