Furnace Technology Power required in case of forced draught as compared to induced draught (for the same draught produced) is More Less Same Either more or less; depends on the flue gas density Answer: Option B More Less Same Either more or less; depends on the flue gas density Answer: Option B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Reheating furnace (pusher type) is used for heating Slabs Ingots Steel coils Steel sheets Slabs Ingots Steel coils Steel sheets ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Presence of SO₂ in furnace gases attacks the ferrous metal by way of Causing metal embrittlement Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature All of these Accelerating the rate of scaling Causing metal embrittlement Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature All of these Accelerating the rate of scaling ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a heat treatment furnace? Rotary kiln Reheating furnace Muffle furnace Annealing furnace Rotary kiln Reheating furnace Muffle furnace Annealing furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turndown ratio of a burner gives an idea of the __________ in the furnace. Minimum heat input rate only Maximum heat input rate only Range of fuel firing rates Volume of the combustion chamber Minimum heat input rate only Maximum heat input rate only Range of fuel firing rates Volume of the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators compared to metallic recuperators for the same duty Are lighter Have higher pressure differential between flue gas & air side Are less costly Occupy more space Are lighter Have higher pressure differential between flue gas & air side Are less costly Occupy more space ANSWER DOWNLOAD EXAMIANS APP
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