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