- [T₁ (T₂ - T₃)] / [T₃ (T₁ - T₂)]
- [T₃ (T₁ - T₂)]/ [T₁ (T₂ - T₃)]
- [T₁ (T₁ - T₂)] / [T₃ (T₂ - T₃)]
- [T₃ (T₂ - T₃)] / [T₁ (T₁ - T₂)]
Answer: Option 1 Difference in times required by the first man (A) and second man (B) = 3 hours. Also, if ta and tb are the respective times, then tb -...
1 Answers 6 viewsAnswer: Option 1 Let'
1 Answers 1 viewsAnswer: Option 1 Thermal Diffusivity is defined as the ratio of heat conducted to the heat energy stored per unit volume of a material.the thermal conductivity of a substance divided...
1 Answers 1 viewsAnswer: Option 1 Fourier's law of heat conduction is k. A. (dT/dx) where Q = Amount of heat flow through the body in unit time, A = Surface area of heat...
1 Answers 1 viewsAnswer: Option 1 The sensible heat factor during cooling and dehumidification process is given by (hA - h2)/ (h1 - h2) where, h₁ = Enthalpy of air entering the cooling...
1 Answers 3 viewsAnswer: Option 1 The C.O.P. of a refrigerator working on a reversed Carnot cycle is T₁ / (T₂ - T₁) where T₁ = Lowest absolute temperature, T₂ = Highest absolute temperature
1 Answers 1 viewsAnswer: Option 2 The bypass factor, in case of sensible cooling of air, is given by (td₂ -td₃)/( td₁ -td₃) where td₁ = Dry bulb temperature of air entering the cooling...
1 Answers 1 viewsAnswer: Option 1 Let'
1 Answers 1 views