The amp draw of a propeller fan will ________ if the airflow leaving the blower is blocked or ...

The amp draw of a propeller fan will ________ if the airflow leaving the blower is blocked or restricted.
 
  A) increase
  B) decrease
  C) not change
  D) Amp draw cannot be determined on a propeller fan.

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[Ques. 2] This type of fan is commonly used on condenser motors because it moves high volumes of air in low static conditions.
 
  A) Propeller B) Tube axial
  C) Forward-curved centrifugal D) Backward-curved centrifugal

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[Ques. 3] A type of fan that is designed for producing high static pressure in a duct distribution system is:
 
  A) Condenser. B) Impeller. C) Centrifugal. D) Axial.

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[Ques. 4] When will installation technicians most likely install a horizontal furnace?
 
  A) When there is little floor space B) When duct systems are set in concrete
  C) When the configuration may change D) When the ceilings are especially high

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[Ques. 5] Three common methods of controlling evaporator temperature are:
 
  A) High-pressure cutout, crankcase pressure regulator, and conventional thermostat.
  B) Evaporator pressure regulator, crankcase pressure regulator, and compressor speed control.
  C) Conventional thermostat, a suction pressure cut-out control, or an evaporator pressure regulator.
  D) Compressor speed control, electric strip reheat, and hot gas bypass.