Heat transfer rate to the charge/stock in a furnace does not depend upon the Emissivity of refractory walls Type of fuels viz solid, liquid or gaseous Flue gas temperature Initial temperature of the charged stock TRUE ANSWER : ? YOUR ANSWER : ?
A refractory wall separating the stock and the source of heat is provided in a Continuous furnace Muffle furnace None of these Updraft kiln TRUE ANSWER : ? YOUR ANSWER : ?
Heat balance of furnace provides means of determining the Sources of heat losses All of these Scope of reduction of heat losses Thermal efficiency of the process TRUE ANSWER : ? YOUR ANSWER : ?
Heat transfer takes place through a liquid medium surrounding the submerged material under heating, in case of a/an Salt bath furnace Annealing furnace Steam boiler Blast furnace TRUE ANSWER : ? YOUR ANSWER : ?
Regenerators are used for waste heat recovery in By-product coke ovens Soaking pits Beehive coke oven Blast furnace stoves TRUE ANSWER : ? YOUR ANSWER : ?
The resistance furnace produces heat by the Flow of current through a heating element None of these Combination of induced current and skin effect Electric arc struck between electrodes and the charge TRUE ANSWER : ? YOUR ANSWER : ?
Very high pressure boilers are usually __________ boilers. Natural circulation Water tube Fire tube Waste heat TRUE ANSWER : ? YOUR ANSWER : ?
In a heating process, a heat flow diagram in which the quantities of heat in the various items of a heat balance are represented by the width of a band is called the None of these Sankey diagram Cox chart Ostwald chart TRUE ANSWER : ? YOUR ANSWER : ?
The heating capacity of continuous reheating furnace depends upon the Emissivity of the stock Hearth area and furnace temperature Ratio of wall surface to stock surface All of these TRUE ANSWER : ? YOUR ANSWER : ?
Overfire burning in a furnace is a phenomenon characterised by Burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air None of these Supply of excess fuel Supply of excess air TRUE ANSWER : ? YOUR ANSWER : ?