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- Open hearth furnace
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Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C.?
Answer: Option 2 Let'
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The bypass factor (B. P. F.) in case of sensible heating of air is (Where td₁ = Dry bulb temperature of air entering the heating coil, td₂ = Dry bulb temperature of air leaving the heating coil, and td₃ = Dry bulb temperature of heating coil)?
Answer: Option 2 The bypass factor (B. P. F.) in case of sensible heating of air is (td₃ - td₂)/(td₃ - td₁) Where, td₁ = Dry bulb temperature of air entering the...
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The sensible heat factor during the heating and humidification process is given by (where h₁ = Enthalpy of air entering the heating coil, h₂ = Enthalpy of air leaving the heating coil, and hA = Enthalpy of air at the end of humidification process)?
Answer: Option 4 The sensible heat factor during the heating and humidification process is given by (hA - h1)/ (h2 - h1)
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Which furnace employs an I.D. fan for the removal of flue gases from the furnace?
Answer: Option 4 Let'
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The electric furnace in which heat is produced by a combination of induced current and skin effect is called __________ furnace.?
Answer: Option 4 Let'
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Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of?
Answer: Option 3 Let'
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Which furnace employs natural draft?
Answer: Option 1 Let'
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Which of the following does not require preheating during storage in the storage tank as well as during atomisation through burners?
Answer: Option 3 Let'
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Which of the following is/are true of world time zones I. The world is divided into thirty time zones II. All time zones of the world are described in term of the number of hours difference between the standard meridian of that zone and the Greenwich Meridian III. All countries have more than one time zone IV. The time for all places east of Greenwich is designated slow, and time for all places left of Greenwich is designated fast?
Answer: Option 4 All time zones of the world are described in term of the number of hours difference between the standard meridian of that zone and the Greenwich Meridian....
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Chimney Sweeps employs people to clean fireplaces and chimneys in homes and apartments.The firm is primarily the marketer of which one of the following?
Answer: Option 2 Chimney Sweeps employs people to clean fireplaces and chimneys in homes and apartments.The firm is primarily the marketer of a service.Service marketing is marketing based on relationship...
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