Hamad Furnace Technology 18/01/2021 A. Rotary Kiln B. Tunnel Kiln C. Natural draft furnace D. Batch furnace Related Mcqs: Which of the following is a periodic furnace ?A. Tunnel kiln B. Rotary kiln C. Soaking pit D. Reheating furnace... Very high pressure boilers are usually _____________ boilers?A. Fire tube B. Water tube C. Waste heat D. Natural circulation... The thermal efficiency of a steel slab reheating furnace (walking beam type) may be about ____________ percent?A. 15 B. 40 C. 70 D. 85... Higher furnace temperature cannot be achieved by use of a lean fuel gas in the furnace by_________________?A. Increasing the draft in the furnace B. Preheating the fuel gas C. Oxygen enrichment of combustion air D. Preheating the combustion air... Size of the combustion chamber of a furnace depends upon the ___________________?A. Heat release rate of the fuel B. Preheat temperature of fuel & air C. Method of mixing the fuel & air D. All A., B. and C....
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