The predominant mode of heat transfer which takes place from boiler furnace to water walls of a boiler is?

Conduction
Convection
Both A & B
Radiation

LohaHridoy

5 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 4

Let'

5 views Answered 2022-09-01 13:21

Related Questions

A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit.?

1 Answers 6 Views

A device used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit, is called?

1 Answers 6 Views

When the circulation of water, in a boiler, is by convection currents which are set up during the heating of water, then the boiler is known as?

1 Answers 6 Views

Fourier's law of heat conduction is (where Q = Amount of heat flow through the body in unit time, A = Surface area of heat flow, taken at right angles to the direction of heat flow, dT = Temperature difference on the two faces of the body, dx = Thickness of the body, through which the heat flows, taken along the direction of heat flow, and k = Thermal conductivity of the body)?

1 Answers 4 Views

Fouling factor for a heat exchanger is given by (where, U₁ = heat transfer co-efficient of dirty surface U₂ = heat transfer co-efficient of clean surface)?

1 Answers 9 Views

A device in which some portion of waste heat of flue gases is recovered to heat the air before it passes to the furnace for combustion purpose, is known as?

1 Answers 4 Views

The electric furnace in which heat is produced by a combination of induced current and skin effect is called __________ furnace.?

1 Answers 6 Views

Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of?

1 Answers 5 Views

Rate of heat release in a furnace, which is the measure of heat intensity is defined as?

1 Answers 6 Views

Controlling heat transfer film co-efficient is the one, which offers __________ resistance to heat transfer.?

1 Answers 5 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)