Heat Transfer In a cooling tower, water becomes cool by Loosing latent heat Loosing sensible heat Vaporisation due to heat loss to air Heat transfer to surroundings Loosing latent heat Loosing sensible heat Vaporisation due to heat loss to air Heat transfer to surroundings ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fruit juice (a heat sensitive material) can be concentrated in a __________ evaporator. Falling film None of these Long tube High pressure Falling film None of these Long tube High pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most widely used heat insulating material for pipelines carrying steam? Cotton followed by aluminium foil Fireclay refractory followed by aluminium sheet Tar dolomite bricks followed by asbestos 85% magnesia cement and glass wool Cotton followed by aluminium foil Fireclay refractory followed by aluminium sheet Tar dolomite bricks followed by asbestos 85% magnesia cement and glass wool ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If the baffle spacing in a shell and tube heat exchanger increases, then the Reynolds number of the shell side fluid Decreases Increases Remains unchanged Increases or decreases depending on number of shell passes Decreases Increases Remains unchanged Increases or decreases depending on number of shell passes ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, the hydrodynamic and thermal boundary layers of a fluid flowing over a heated plate will be identical? < 1 > 1 1 None of these < 1 > 1 1 None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam side heat transfer co-efficient in an evaporator is in the range of __________ kcal/hr.m²°C. 100-500 5000-15000 1000-1500 18537 100-500 5000-15000 1000-1500 18537 ANSWER DOWNLOAD EXAMIANS APP
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