Question
a.
Pb = pa - pv
b.
Pb = pa + pv
c.
Pb = pa x pv
d.
Pb = pa/pv
Posted under Mechanical Engineering
Interact with the Community - Share Your Thoughts
Uncertain About the Answer? Seek Clarification Here.
Understand the Explanation? Include it Here.
Q. According to Dalton's law of partial pressures, (where pb = Barometric pressure, pa = Partial pressure of dry air, and pv = Partial pressure of water vapour)
Similar Questions
Explore Relevant Multiple Choice Questions (MCQs)
Q. The heat transfer by conduction through a thick sphere is given by
View solution
Q. The relative humidity is defined as
View solution
Q. Fourier's law of heat conduction is (where Q = Amount of heat flow through the body in unit time, A = Surface area of heat flow, taken at right angles to the direction of heat flow, dT = Temperature difference on the two faces of the body, dx = Thickness of the body, through which the heat flows, taken along the direction of heat flow, and k = Thermal conductivity of the body)
View solution
Q. The heat transfer by conduction through a thick sphere is same as through a thick cylinder.
View solution
Q. The humidity ratio or specific humidity is the mass of water vapour present in
View solution
Q. The formation of frost on cooling coils in a refrigerator
View solution
Q. The by-pass factor for a cooling coil
View solution
Q. The difference between dry bulb temperature and wet bulb temperature, is called
View solution
Q. Defrosting of a refrigerator may be done by stopping the compressor for a short period.
View solution
Q. In aqua-ammonia and Lithium-bromide water absorption refrigeration systems, the refrigerants are respectively
View solution
Q. As relative humidity decreases, the dew point temperature will be __________ wet bulb temperature.
View solution
Q. The process of heat transfer from a hot body to a cold body, in a straight line, without affecting the intervening medium, is called radiation.
View solution
Q. Reynolds number (RN) is given by (where h = Film coefficient, l = Linear dimension, V = Velocity of fluid, k = Thermal conductivity, t = Temperature, ρ = Density of fluid, cp = Specific heat at constant pressure, and μ = Coefficient of absolute viscosity)
View solution
Q. The optimum effective temperature for human comfort is
View solution
Q. The wet bulb temperature lines, on the psychrometric chart, are curved lines.
View solution
Q. The sensible heat factor during cooling and dehumidification process is given by (where h1 = Enthalpy of air entering the cooling coil, h2 = Enthalpy of air leaving the cooling coil, and hA = Enthalpy of air at the end of dehumidification process)
View solution
Q. Thermal diffusivity is a
View solution
Q. The condition of refrigerant after leaving the compressor and before entering the condenser is superheated vapour.
View solution
Q. The total radiation from a black body per second per unit area is __________ fourth power of the absolute temperature. This statement is known as Stefan-Boltzmann law.
View solution
Q. In a psychrometric process, the sensible heat added is 30 kJ/s and the latent heat added is 20 kJ/s. The sensible heat factor for the process will be
View solution
Recommended Subjects
Are you eager to expand your knowledge beyond Mechanical Engineering? We've handpicked a range of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!