Heat Transfer The purpose of providing expansion bellows in the shell of tubular exchanger is to Impart structural strength Facilitate increase of shell length, if needed Increase the heating load Account for the uneven expansion of shell and tube bundles Impart structural strength Facilitate increase of shell length, if needed Increase the heating load Account for the uneven expansion of shell and tube bundles ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Hot water (0.01 m³ /min) enters the tube side of a counter current shell and tube heat exchanger at 80°C and leaves at 50°C. Cold oil (0.05 m³/min) of density 800 kg/m³ and specific heat of 2 kJ/kg.K enters at 20°C. The log mean temperature difference in °C is approximately 50 32 45 37 50 32 45 37 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A cube, sphere & a thin circular plate (all having same mass and made of same material) are all heated to 300°C and allowed to cool in natural air. Which one will cool the slowest ? All of these Cube Plate Sphere All of these Cube Plate Sphere ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam trap is used to None of these Stop the supply of steam Condense the steam flowing in the pipeline Remove water resulting from partial condensation of steam None of these Stop the supply of steam Condense the steam flowing in the pipeline Remove water resulting from partial condensation of steam ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Among liquids, water has a comparatively high value of thermal conductivity, due to its Low density High viscosity Partial ionisation Dense structure Low density High viscosity Partial ionisation Dense structure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the minimum thermal conductivity? Nitrogen Steel Tar Carbon black Nitrogen Steel Tar Carbon black ANSWER DOWNLOAD EXAMIANS APP
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