Heat Transfer In regenerative air preheater (as practised in heating of coke ovens), the heat is transferred Through a metallic wall None of these By direct contact of hot flue gas with air By heating an intermediate material (like chequor bricks) and then heating the air from this hot material Through a metallic wall None of these By direct contact of hot flue gas with air By heating an intermediate material (like chequor bricks) and then heating the air from this hot material ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a multipass shell and tube heat exchanger, the LMTD correction factor is always Between 1 & 2 1 < 1 > 1 Between 1 & 2 1 < 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Among liquids, water has a comparatively high value of thermal conductivity, due to its Low density Partial ionisation Dense structure High viscosity Low density Partial ionisation Dense structure High viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation of steam on cooling surface is promoted None of these When both the steam and the tube are clean An oily surface Only in presence of air None of these When both the steam and the tube are clean An oily surface Only in presence of air ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which type of heat exchanger is preferred for heavy heat loads ? Plate fine Double pipe None of the listed here Series and parallel set of shell and tube Plate fine Double pipe None of the listed here Series and parallel set of shell and tube ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which is the most suitable for cold viscous feed? Forward feed Backward feed Parallel feed Mixed feed Forward feed Backward feed Parallel feed Mixed feed ANSWER DOWNLOAD EXAMIANS APP
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