Furnace Technology MCQs with answers Page - 10

Here, you will find a collection of MCQ questions on Furnace Technology. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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A

Admin • 802.91K Points
Coach

Q. Which one shows the diagramatic heat balance in a furnace?

  • (A) Sankey diagram
  • (B) Cox chart
  • (C) Ostwald chart
  • (D) None of these

A

Admin • 802.91K Points
Coach

Q. Maximum heat transfer in high temperature furnaces is by

  • (A) Conduction
  • (B) Convection
  • (C) Radiation
  • (D) Either A, B or C; depends on the type of furnace

A

Admin • 802.91K Points
Coach

Q. Fuel economy in furnaces can be achieved by

  • (A) Using oxygen enriched combustion air
  • (B) Preheating the combustion air
  • (C) Reducing the heat loss through furnace openings & doors
  • (D) All of the above

A

Admin • 802.91K Points
Coach

Q. Which of the following advantages is not associated with the use of preheated air for combustion of a fuel in the furnace?

  • (A) Increase in calorific value of the fuel
  • (B) Increase in flame temperature
  • (C) Reduction in scale losses
  • (D) Saving in fuel consumption

A

Admin • 802.91K Points
Coach

Q. Operation of blast furnace stove is based on the principles of a __________ furnace.

  • (A) Regenerative
  • (B) Recuperative
  • (C) Both A and B
  • (D) Neither A nor B

A

Admin • 802.91K Points
Coach

Q. Which of the following is not a recuperative furnace?

  • (A) Soaking pit
  • (B) Reheating furnace
  • (C) Steamboiler
  • (D) Coke oven

A

Admin • 802.91K Points
Coach

Q. The purpose of controlling the furnace atmosphere is to prevent surface attack by

  • (A) Decarburising
  • (B) Sulphur penetration
  • (C) Oxidation/scaling
  • (D) Either of the above

A

Admin • 802.91K Points
Coach

Q. Regenerators are used for waste heat recovery in

  • (A) By-product coke ovens
  • (B) Beehive coke oven
  • (C) Blast furnace stoves
  • (D) Soaking pits

A

Admin • 802.91K Points
Coach

Q. The heat recoverable from flue gases of furnaces depends on the

  • (A) Thermal efficiency of furnace
  • (B) Quantity of flue gases
  • (C) Flue gas temperature drop through the furnace
  • (D) All of the above

A

Admin • 802.91K Points
Coach

Q. Shaft furnaces are used for

  • (A) Roasting
  • (B) Smelting
  • (C) Calcining
  • (D) All of the above

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