Heat Transfer The advantage of backward feed multiple effect evaporators over forward feed units is that Heat sensitive material can be handled Equal heat transfer co-efficients exist in various effects Most concentrated liquid is at highest temperature There is no additional cost of pumping Heat sensitive material can be handled Equal heat transfer co-efficients exist in various effects Most concentrated liquid is at highest temperature There is no additional cost of pumping ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Graetz number is given by kL/mCp kμ/mCp mCp/kL mCp/kμ kL/mCp kμ/mCp mCp/kL mCp/kμ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of floating head in a heat exchanger is to Avoid buckling of tubes Facilitate its lengthening, if needed Provide support for tubes Decrease the pressure drop Avoid buckling of tubes Facilitate its lengthening, if needed Provide support for tubes Decrease the pressure drop 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 None of these 1 < 1 > 1 None of these 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer During crystallisation, formation of crystal can occur in __________ solution only. Saturated Undersaturated All of these Supersaturated Saturated Undersaturated All of these Supersaturated ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In counter flow compared to parallel flow, LMTD is greater More surface area is required for a given heat transfer rate Less surface area is required for a given heat transfer rate Both A and B LMTD is greater More surface area is required for a given heat transfer rate Less surface area is required for a given heat transfer rate Both A and B ANSWER DOWNLOAD EXAMIANS APP
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