Non-dimensional numbers generally involved in case of heat transfer from horizontal cylinders by natural convection are

Related MCQs

• A heat engine works on a Carnot cycle with a heat sink at a temperature of 27?C. The efficiency of the engine is 10%, the temperature of the heat source is
• A liquid flowing through a tube is turbulent. In which case will the maximum change in heat transfer coefficient occur?
• Steady state heat transfer occurs when
• When a fluid is passed in steady, flow through a porous plug in a duct under such conditions that heat transfer, kinetic energy change and potential change is negligible, the process is called
• In unsteady state, heat transfer occurs when
• "It is impossible to construct a heat engine which operates in a cycle and receives a given amount of heat from a high temperature body and does equal amount of work". Which of the following name is associated with the above statement?
• In which case the heat transferred from the air when compressed from 1.05 ata 15?C to 6.3 ata would be minimum?
• In which case the heat transferred from the air when compressed from 1 ata 15?C to 6 ata would be maximum
• In case of a four cylinder diesel engine, the heat carried away by exhaust gases will be
• If the rate of heat flow in aboves case remains constant, the ratio of temperature difference (?t1) (?t2) would be