Refrigeration and Air Conditioning If a gas is to be liquefied, its temperature must be Equal to critical temperature None of these Reduced to a value below its critical temperature Increased to a value above its critical temperature Equal to critical temperature None of these Reduced to a value below its critical temperature Increased to a value above its critical temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The conditioned air supplied to the room must have the capacity to take up None of the listed here Room latent heat load only Room sensible heat load only Both room sensible heat and latent heat loads None of the listed here Room latent heat load only Room sensible heat load only Both room sensible heat and latent heat loads ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Nusselt number (NN) is given by NN = ρ V l /μ NN = V²/t.cp NN = μ cp/k NN = hl/k NN = ρ V l /μ NN = V²/t.cp NN = μ cp/k NN = hl/k ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Vertical lines on pressure-enthalpy chart show constant Entropy lines Total heat lines Temperature lines Pressure lines Entropy lines Total heat lines Temperature lines Pressure lines ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a psychrometric chart, specific humidity (moisture content) lines are Curved lines Vertical and uniformly spaced Horizontal and uniformly spaced Horizontal and non-uniformly spaced Curved lines Vertical and uniformly spaced Horizontal and uniformly spaced Horizontal and non-uniformly spaced ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy diagram represents Compression of the refrigerant vapour Condensation of the refrigerant vapour Metering of the refrigerant liquid Evaporation of the refrigerant liquid Compression of the refrigerant vapour Condensation of the refrigerant vapour Metering of the refrigerant liquid Evaporation of the refrigerant liquid ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS