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MCQs: The heat transfer is largely governed by conduction from the surface of the fluid, when
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: Generally, thermal conductivity of liquids is
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: The emissive power of a body depends upon
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MCQs: At a given temperature if wavelengths are changed, the quality of radiation per unit wavelength
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: What is the relation between temperature of a body and the wavelength of its emitted radiation at its maximum emissive power?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: Which of the following relation is correct for the radiation?
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MCQs: What is the relation between reflectivity (ρ), absorptivity (α) and transmissivity (τ)?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: What is the opaque body?
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MCQs: What is diffuse reflection of radiation?
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MCQs: The reflection in which the angle of incident is equal to the angle of reflection is called as
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: The values of reflectivity (ρ), absorptivity (α) and transmissivity (τ) of a body are depend upon
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: Generally, the convection heat transfer coefficient in drop-wise condensation is
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MCQs: Surface coating is suitable to maintain
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MCQs: Which theory is widely used to determine the heat transfer coefficient for film condensation on surfaces?
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MCQs: According to the Nusselt's theory, to determine the heat transfer coefficient for film condensation on surfaces,
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MCQs: What should be the temperature of black body to emit radiant energy which is independent of the conditions in the surroundings?
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MCQs: Gray body can emits radiation
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MCQs: What is the mode of heat transfer from the hot surface to the adjacent layer of fluid which surrounds the surface?
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MCQs: Convective heat transfer coefficient is also known as
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MCQs: Suppose a hot water is placed inside a closed metal vessel of thickness 5 mm. There is atmospheric air outside the vessel at temperature lower than the temperature of hot water. The heat is transferred from the hot water to atmospheric air. What is the mode of heat transfer in this condition?
Category: Mechanical Engineering Questions, Published by: teswesm
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