What is the correct answer?


Which of the following phenomenon will exhibit the minimum heat transfer?

A. Boiling

B. Forced convection in air

C. Free convection in air

D. Conduction in air

Correct Answer :

D. Conduction in air

Related Questions

Pick out the wrong statement. Maximum amount of thermal radiation is emitted at all wavelengths at any… Cemented carbide tools are not suitable for cutting Basic open hearth furnace (BOF) is not used for producing __________ steel. The materials which fracture even at small strains are termed as brittle,… __________ is not used as a material of construction in thermocouples. Fire in fuel gas pipelines is extinguished most effectively by The wet bulb temperature is lower in dry air than in wet air at the same… Pick out the correct statement In troposphere (the weather domain), the temperature 't' at height 'h'… Preheating before welding is done to In multipass welds, shot peening is done after each pass to __________ test is the appropriate test to determine whether a material… The heat treatment to which the steel wire containing > 0.25% carbon is… Breakeven point represents the condition, when the company runs under… Dryness factor of steam is defined as the ratio of the mass of vapor in… The noble metals The heat of neutralisation remains constant, when there is a reaction… The units of the rate constant for a second order reaction are Corrosion of metals cannot be prevented by its Gage pressure within a spherical droplet of a fluid is 'p'. What will… The life of a ball bearing is inversely proportional to Which of the following is used to produce draught in the locomotive boilers? Out of the following, the most malleable material is The swift cup test evaluates the following property of a sheet metal. Stainless steel is welded with difficulty because of Moist climate is the most favourable factor in the site selection far… Air/fuel ratio by weight for combustion of methane with theoretical quantity… The most important requirement for aluminium industry is the availability… In chemical dehumidification of air