Heat Transfer The ratio of total radiating power to the absorptivity of the body depends upon the __________ as per Kirchoffs law. Nature of the body Wavelength of radiation Temperature of the body None of these Nature of the body Wavelength of radiation Temperature of the body None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Film boiling occurs at __________ pressure. none of the listed here atmospheric negative very high none of the listed here atmospheric negative very high ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling of milk in an open vessel is an example of __________ boiling. Sub-cooled None of these Saturated nucleate Film Sub-cooled None of these Saturated nucleate Film ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the lowest Prandtl number? Dilute H₂SO₄ Molten sodium (a coolant used in fast breeder reactor) Water Transformer oil Dilute H₂SO₄ Molten sodium (a coolant used in fast breeder reactor) Water Transformer oil ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A concentric double pipe heat exchanger as compared to the shell and tube heat exchanger for the same heat load requires None of these More space Less heating surface Lower maintenance cost None of these More space Less heating surface Lower maintenance cost ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kg of liquid evaporated per hour in an evaporator is defined as its Steam load Economy Capacity None of these Steam load Economy Capacity None of these ANSWER DOWNLOAD EXAMIANS APP
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