Heat Transfer What is the unit of thermal conductivity ? Kcal/hr.m.°C Kcal/hr.m Kcal/hr. °C Kcal/hr. m² °C Kcal/hr.m.°C Kcal/hr.m Kcal/hr. °C Kcal/hr. m² °C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a co-current double pipe heat exchanger used for condensing saturated steam over the inner tube, if the entrance and exit conditions of the coolant are interchanged, then the rate of condensation will Increase Either increase or decrease; depends on the coolant flow rate Decrease Remain unchanged Increase Either increase or decrease; depends on the coolant flow rate Decrease Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Grashhoff number is given by gD³βΔtP²/μ gD³.β.Δtρ²/μ² gD2βΔtρ/μ² gD2βΔtP²μ gD³βΔtP²/μ gD³.β.Δtρ²/μ² gD2βΔtρ/μ² gD2βΔtP²μ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a liquid-liquid heat exchanger, for the same process temperature, the ratio of the LMTD in parallel flow to the LMTD in counter flow is always > 1 ∞ < 1 1 > 1 ∞ < 1 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The value of Stefan-Boltazman constant in SI unit is 0.1714 x 10-8W/m².°K4 0.1714 x 10-8kcal/m². °K4 5.6697 x 10-8kcal/m² . °K4 5.6697 x 10-8W/m².°K4 0.1714 x 10-8W/m².°K4 0.1714 x 10-8kcal/m². °K4 5.6697 x 10-8kcal/m² . °K4 5.6697 x 10-8W/m².°K4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The energy radiated from a surface Q at absolute temperature T is related as Q ∝ T⁴ Q ∝ T³ Q ∝ T² None of these Q ∝ T⁴ Q ∝ T³ Q ∝ T² None of these ANSWER DOWNLOAD EXAMIANS APP
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