Heat Transfer The purpose of providing expansion bellows in the shell of tubular exchanger is to Account for the uneven expansion of shell and tube bundles Facilitate increase of shell length, if needed Increase the heating load Impart structural strength Account for the uneven expansion of shell and tube bundles Facilitate increase of shell length, if needed Increase the heating load Impart structural strength ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The steam ejector is used to None of these Remove condensate from the steam pipelines Create vacuum Superheat the steam None of these Remove condensate from the steam pipelines Create vacuum Superheat the steam ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For __________ Prandtl number values, the heat conduction will be negligible in the buffer zone. No High Low Extremely low No High Low Extremely low ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Reynold's analogy states that NNu α f NRe α f Nst α f Nst α NRe NNu α f NRe α f Nst α f Nst α NRe ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The units of resistance to heat transfer is J.m⁻².K⁻¹ W.m⁻².K⁻¹ J.m⁻¹.K⁻¹ W⁻¹m²K J.m⁻².K⁻¹ W.m⁻².K⁻¹ J.m⁻¹.K⁻¹ W⁻¹m²K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The outlet temperature of cooling water in a heat exchanger is generally not allowed to exceed above 50°C in industrial practice mainly to avoid Its evaporation loss Excessive corrosion Uneconomic LMTD Decrease in heat exchanger efficiency Its evaporation loss Excessive corrosion Uneconomic LMTD Decrease in heat exchanger efficiency ANSWER DOWNLOAD EXAMIANS APP
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