Furnace Technology Main gas valve in a gaseous fuel burner is a __________ valve. Gate Butterfly Globe None of these Gate Butterfly Globe None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Artificial draught produced by a fan in the furnace can be controlled by the Variation in the pitch of fan blades Speed of the fan All of these Damper Variation in the pitch of fan blades Speed of the fan All of these Damper ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a muffle furnace, the muffle Assists in temperature equalisation in the charge Retards the heat transfer All of these Permits the use of controlled atmosphere for the protection of stock Assists in temperature equalisation in the charge Retards the heat transfer All of these Permits the use of controlled atmosphere for the protection of stock ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following furnaces will have maximum thermal efficiency? Rotary kilns Walking beam reheating furnace Boiler furnace Soaking pits Rotary kilns Walking beam reheating furnace Boiler furnace Soaking pits ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turn down ratio of a burner Is the ratio of maximum to minimum permissible heat input rates Should be 1:1 for a batch type furnace. Should be as low as possible i.e., 1 : 2 Is normally much more for a continuous furnace as compared to a batch furnace Is the ratio of maximum to minimum permissible heat input rates Should be 1:1 for a batch type furnace. Should be as low as possible i.e., 1 : 2 Is normally much more for a continuous furnace as compared to a batch furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Maximum thermal efficiency of boiler may be about __________ percent. 25 90 10 65 25 90 10 65 ANSWER DOWNLOAD EXAMIANS APP
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