Dampers are located After the I.D. fan Before the I.D fan Near the top of the chimney Anywhere after the I.D. fan TRUE ANSWER : ? YOUR ANSWER : ?
Ostwald charts are meant for Calculation of flue gas temperature None of these Computation of flue gas analysis Computing the excess/deficiency of combustion air TRUE ANSWER : ? YOUR ANSWER : ?
To reduce the stack loss, heat recovery from flue gas can be done by Steam generation in waste heat boilers Preheating of combustion air All of these Preheating of cold stock TRUE ANSWER : ? YOUR ANSWER : ?
__________ furnace is not an electric furnace. Pot Resistance Arc Induction TRUE ANSWER : ? YOUR ANSWER : ?
Maximum heat transfer in high temperature furnaces is by Either A, B or C; depends on the type of furnace Convection Radiation Conduction TRUE ANSWER : ? YOUR ANSWER : ?
Flue gas outlet temperature from the chimney of any furnace should be ideally about __________ °C. 250 50 150 100 TRUE ANSWER : ? YOUR ANSWER : ?
Turn down ratio of a burner Is the ratio of maximum to minimum permissible heat input rates Is normally much more for a continuous furnace as compared to a batch furnace Should be 1:1 for a batch type furnace. Should be as low as possible i.e., 1 : 2 TRUE ANSWER : ? YOUR ANSWER : ?
Maximum thermal efficiency of boiler may be about __________ percent. 90 25 65 10 TRUE ANSWER : ? YOUR ANSWER : ?
Cement Kiln is a Rotary Kiln Natural draft furnace Batch furnace Tunnel Kiln TRUE ANSWER : ? YOUR ANSWER : ?
An improved and fuel efficient version of the pusher type reheating furnace is the __________ furnace. Tunnel Rotary hearth Shaft Walking beam TRUE ANSWER : ? YOUR ANSWER : ?