Heat Transfer The purpose of providing expansion bellows in the shell of tubular exchanger is to Increase the heating load Impart structural strength Facilitate increase of shell length, if needed Account for the uneven expansion of shell and tube bundles Increase the heating load Impart structural strength Facilitate increase of shell length, if needed Account for the uneven expansion of shell and tube bundles ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer (NRe.NPr)(D/L) is called the __________ number Peclet Graetz None of these Stanton Peclet Graetz None of these Stanton ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In counter flow compared to parallel flow, LMTD is greater Less surface area is required for a given heat transfer rate Both A and B More surface area is required for a given heat transfer rate LMTD is greater Less surface area is required for a given heat transfer rate Both A and B More surface area is required for a given heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which type of heat exchanger is preferred for heavy heat loads ? Plate fine Series and parallel set of shell and tube None of the listed here Double pipe Plate fine Series and parallel set of shell and tube None of the listed here Double pipe ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer rate per unit area is called heat transfer co-efficient thermal conductivity thermal diffusivity heat flux heat transfer co-efficient thermal conductivity thermal diffusivity heat flux ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the geometric mean of two heat transfer areas A₁ and A₂ ? 1/2 √(A₁ . A₂) √(A₁ + A₂) 2 √(A₁ . A₂) √(A₁ . A₂) 1/2 √(A₁ . A₂) √(A₁ + A₂) 2 √(A₁ . A₂) √(A₁ . A₂) ANSWER DOWNLOAD EXAMIANS APP
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