Often before sunrise on a clear, calm, cold morning, ice (frost) can be seen on the top of parked cars, even when the air temperature is above freezing. This happens because the tops the tops of the cars are cooled by radiation.
Answer: Option 1
When the air is passed through an insulated chamber having sprays of water maintained at a temperature higher than the dew point temperature of entering air but...
Answer: Option 1
FROM the P-V-T diagram we can say that if the freezing point decreases with increase in pressure than liquid should contract during freezing.
Answer: Option 3
While Venus is seen only for one to two hours either after sunset or before sunrise, Jupiter is seen for the whole night whenever it is visible...
Answer: Option 2
The bypass factor (B. P. F.) in case of sensible heating of air is (td₃ - td₂)/(td₃ - td₁)
Where,
td₁ = Dry bulb temperature of air entering the...
Answer: Option 2
The C.O.P. of an absorption type refrigerator is given by [T₃ (T₁ - T₂)]/ [T₁ (T₂ - T₃)]
(where T₁ = Temperature at which the working substance...
Answer: 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...
Answer: 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...
