In water wall furnace, the heat is transferred to the water walls by

A Convection

B Radiation

C Conduction

D Radiation and conduction

Correct Answer: Radiation

Bissoy MCQ Team

#Mechanical Engineering #Steam Boilers #Engines #Nozzles And Turbines

Related Questions

Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by

A ladder is resting against a vertical wall and its bottom is 2.5 m away from the wall. If it slips 0.8 m down the wall, then its bottom will move away from the wall by 1.4 m. What is the length of the ladder?

Extended heat transfer surface like fins are used to increase the heat transfer rate. Fin efficiency is defined as the ratio of heat transferred across the fin surface to the theoretical heat transfer across an equal area held at the

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

A motorcycle stunt man belonging to a fair rides over the vertical walls of a circular wall at an average speed of 54 km/h for 5 minutes. If the radius of the wall is 5 meters then the distance traveled is ----

In long and short wall method of estimation, the length of long wall is the centre to centre distance between the walls and

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

An electric furnace producing heat by means of an electric arc struck between each of three electrodes and the charge is called __________ furnace.

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

In salt bath furnace, heat is transferred to the charge mainly by

Next steps

Browse more MCQs for practice
Take a merit test and check your score
Job preparation MCQs
Health Q&A on Bissoy

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1127)

Admission (755)

এসএসসি (13)

এইচএসসি (5)