Related Questions

Diamonds are glittering and attractive because light incident on them undergoes
A Highest refraction
B Multiple internal reflections
C Multiple surface reflections
D Hundred percent transmission
For a given design of bubble cap, the number of bubble caps to be used per tray is set by the
A Allowable gas velocity through the slots
B Plate spacing
C Diameter of the column
D All of the above
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 lower than its dry bulb temperature, then the air is said to be
A Cooled and humidified
B Cooled and dehumidified
C Heated and humidified
D Heated and dehumidified
When water is sprayed on air, passing through an insulated chamber maintained at a temperature higher than the dew point of entering air but lower than its dry bulb temperature, then the air is
A Cooled and dehumified
B Heated and humidified
C Cooled and humidified
D Heated and dehumidified
Which of the following psychrometric processes is followed by water vapour laden unsaturated air, when it is passed through solid or liquid adsorbent?
A Cooling and dehumidification
B Heating and dehumidification at almost constant wet bulb temperature
C Dehumidification with dry bulb temperature remaining constant
D None of these
Which of the following will increase in a rising parcel of air?
A Saturation vapor pressure
B Relative humidity
C Mixing ratio
D Air temperature
E None of the above
Which of the following will decrease in a rising parcel of air?
A Relative humidity
B Absolute humidity
C Specific humidity
D All of the above
Logically, what does a continually rising air pressure indicate?
A Advent of unsettled and cloudy weather
B Advent of a cyclone
C Fine and settled weather
D Fine and unsettled weather
When a barometer is rising air pressure is
A Increasing
B Decreasing
C Constant
D Zero
Water flows into an empty 64-gallon drum through pipe A and flows out through pipe B. If the rate of flow through A is 2 gallons/hour, how many gallons per hour must flow out through pipe B so that the drum is full in exactly 96 hours?
A 3/8
B 1/2
C 2/3
D 4/3

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