Psychrometers MCQ

Test your knowledge with important Psychrometers MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Psychrometers MCQs on Bissoy. Bissoy App

• What is the saturation temperature at the partial pressure of water vapor in the air water vapor mixture called?
  ক

  Dry bulb temperature

  খ

  Wet bulb temperature

  গ

  Dew point temperature

  ঘ

  Saturation temperature
• The latent heat load in an auditorium is 25% of sensible heat load. What is the value of sensible heat fact?
  ক

  0.3

  খ

  0.5

  গ

  0.8

  ঘ

  1.0
• What is the relative humidity when the wet bulb depression is zero?
  ক

  100%

  খ

  60%

  গ

  40%

  ঘ

  Zero
• Which one of the following is correct according to temperature?
  ক

  Effective temperature is the index which correlates the combined effects of air dry bulb temperature, air humidity and air movement upon human comfort

  খ

  The value of effective temperature in winter and summer should be same for human comfort

  গ

  Effective temperature and wet bulb temperature are same

  ঘ

  The valve of the effective temperature should be higher in winter than in summer for comfort
• Air at 35 and 25 degree Celsius dew point temperature passes through the water shower whose temperature is maintained at 20 degree Celsius. What is the process involved?
  ক

  Cooling and humidification

  খ

  Sensible cooling

  গ

  Cooling and dehumidification

  ঘ

  Heating and humidification
• What happens when warm saturated air is cooled?
  ক

  Excess moisture condenses

  খ

  Excess moisture condenses but relative humidity remains unchanged

  গ

  Excess moisture condenses and specific humidity increases but relative humidity remains unchanged

  ঘ

  Specific humidity increases and relative humidity increases
• The performance of an evaporation condenser largely depends on ________
  ক

  Dry bulb temperature of air

  খ

  Wet bulb temperature of air

  গ

  Hot water temperature

  ঘ

  Air conditional room temperature
• During adiabatic saturation process of air, wet bulb temperature ___________
  ক

  Increases and dry bulb temperature remains constant

  খ

  Remains constant and dry bulb temperature increases

  গ

  Remains constant and dry bulb temperature decreases

  ঘ

  Decreases and dry bulb temperature remains constant
• When a stream of moist air is passed over a cold and dry cooling coil such that no condensation takes place, then the air stream will get along the line of __________
  ক

  Constant wet bulb temperature

  খ

  Constant dew point temperature

  গ

  Constant relative humidity

  ঘ

  Constant enthalpy
• What is the minimum temperature to which water can be cooled in a cooling tower?
  ক

  The dew point temperature of air

  খ

  The dew bulb temperature of air

  গ

  They dry bulb temperature of air

  ঘ

  The ambient air temperature
• Wet bulb depression, under saturated ambient air conditions _____________
  ক

  Is always positive

  খ

  Is always negative

  গ

  Is always zero

  ঘ

  May have value depending upon the dew point temperature