- (A) Weight heated/hr
- (B) Weight heated/furnace volume
- (C) Weight heated/hr/furnace volume
- (D) None of these
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- (A) Ton stock/hr/m2 hearth area
- (B) Ton stock/hr
- (C) Ton stock/m2 hearth area
- (D) Both
- (A) Increase in heating capacity/m2 of floor space
- (B) Elimination of cold spot at the bottom of the charge
- (C) Reduction in the temperature of furnace gases
- (D) Protection of the periphery of the charge from excessive radiation
- (A) Oxidation/scaling
- (B) Decarburising
- (C) Sulphur penetration
- (D) Either of the above
- (A) Store smaller quantity of waste heat
- (B) Are lighter & compact
- (C) Involve higher initial cost
- (D) All
- (A) Sudden reduction of pressure in a fluid flow system caused by flow separation, vortex formation or abrupt closing of valve leads to cavitation
- (B) Cavitation may be caused due to boiling of liquid by decreasing the pressure resulting in formation & collapse of vapor cavities
- (C) Cavitation begins at higher static pressure and lower velocity in larger diameter pipelines resulting in audible noise
- (D) Large scale cavitation cannot damage pipeline, restrict fluid flow and damage steam turbine blades
- (A) Before the I.D fan
- (B) After the I.D. fan
- (C) Near the top of the chimney
- (D) Anywhere after the I.
- (A) Electric arc struck between electrodes and the charge
- (B) Flow of current through a heating element
- (C) Combination of induced current and skin effect
- (D) None of these
- (A) Soaking pit
- (B) Muffle furnace
- (C) Reheating furnace
- (D) None of these
- (A) Cold rolled steel coil annealing
- (B) Open hearth
- (C) Soaking pit
- (D) Walking beam reheating
