In a furnace with heating element temperature at 1700Â°C, the domina – McqOptions

MCQOPTIONS

1.	In a furnace with heating element temperature at 1700Â°C, the dominant machanism of heat transfer will be
A.	conduction
B.	radiation
C.	natural convection
D.	forced convection
Answer» C. natural convection

Discussion

No Comment Found

Related MCQs

In troposphere (the weather domain), the temperature ' t ' at height ' h ' above the sea level in metres is given by (where, temperature at sea level is 15Â°C and t is in Â°C.)
A high pressure boiler generates steam at a pressure greater than __________ kg/cm 2 .
Which of the following is not an ore of copper?
Amortization' in respect of financial obligation of a company means the
The cooling rate required to freeze 1 ton of water at 0Â°C into ice at 0Â°C in 24 hours is __________ BTU/hr.
Ice point' is designated on Farenhite temperature scale by
Recrystallisation temperature of steel is __________ Â°C.
One face of a furnace wall is at 1030Â°C and the other face is exposed to room temperature (30Â°C). If the thermal conductivity of furnace wall is 3 W . m -1 . k -1 and the wall thickness is 0.3 m, the maximum heat loss (in W/m) is
Flue gases pass through the following boiler accessories in a high pressure natural circulation boiler. A. Induced draft fan B. Economiser C. Air preheater D. Steam superheater Which of the following gives the correct sequence of flow of the flue gases through the above mentioned boiler accessories ?
What is the value of entropy at 273Â°K ?