Unit of furnace loading is Ton stock/hr Ton stock/hr/m² hearth area Both B and C Ton stock/m² hearth area TRUE ANSWER : ? YOUR ANSWER : ?
Regenerators are installed in Neither A nor B Both A & B Open hearth furnace Coke ovens TRUE ANSWER : ? YOUR ANSWER : ?
Maximum thermal efficiency of boiler may be about __________ percent. 10 90 65 25 TRUE ANSWER : ? YOUR ANSWER : ?
Rate of heat release in a furnace, which is the measure of heat intensity is defined as Kcal/m³ combustion space Kcal/hr None of these Kcal/hr/m³ combustion space TRUE ANSWER : ? YOUR ANSWER : ?
An electric furnace producing heat by means of an electric arc struck between each of three electrodes and the charge is called __________ furnace. Arc Resistance Low frequency induction None of these TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is a natural draft furnace? Sintering furnace Power plant boilers None of these Blast furnace stoves TRUE ANSWER : ? YOUR ANSWER : ?
In a furnace, the heat taken by the charge/stock and the heat lost to the furnace structure & flue gases depends on the Thermal conductivity of the charge & structural materials of furnace Rate of firing and emissivity of flame Nature of process ; whether batch, continuous or intermittant All of these TRUE ANSWER : ? YOUR ANSWER : ?
Test specimen for determination of refractoriness under load (RUL) of a refractory is heated in a Furnace employing neutral atmosphere Furnace employing negative pressure Carbon resistance furnace Reducing atmosphere TRUE ANSWER : ? YOUR ANSWER : ?
An improved and fuel efficient version of the pusher type reheating furnace is the __________ furnace. Rotary hearth Shaft Walking beam Tunnel TRUE ANSWER : ? YOUR ANSWER : ?
Oxygen enrichment of combustion air does not result in increase of the Flame temperature Stack loss Oxygen in the flue gas Heat transfer rate in the furnace TRUE ANSWER : ? YOUR ANSWER : ?