Show:
refrigeration
motors
Ohms law
Circuits
controls
100
heat is absorbed in this component
What is the evaporator
100
these devices help the starting torque
What are capacitors
100
Another term for Voltage is
What is EMF or electro motive force
100
the 3 types of circuits
What is series, parallel and series parallel
100
this pressure control shuts a system down when a refrigeration system has no refrigerant
What is a low pressure control
200
two standard types of condensers
What is air & water cooled
200
the lowest , smallest torque motor
What is a shaded pole
200
the 4 parts of OHMS law
What is volts, ohms, amps & watts
200
this is a constant in a parallel circuit
What is voltage
200
two types of controls
What are operating & safety
300
this type of evaporator is commonly used in refrigerators
What is a "plate" type of evaporator
300
the start winding drops out when the motor reaches this % of rated speed
What is 75 %
300
named after this scientist, complete name with the middle initial
Who is George S OHM..
300
this is a constant in a series circuit
What is amperage
300
this temperature controlled switch makes on a drop in temperature
What is a heating thermostat
400
this valve is used in heat pumps to reverse the flow of refrigerant
What is a four way valve
400
**********double jeopardy************* the three terminals of a potential relay are
What are 1, 2 & 5
400
E / R equals
What is amperage or I
400
safety devices are wired in
What is series to a load
400
this control turns on when the humidity drops below the setpoint
What is a humidistat
500
the amount refrigeration in a 24 hr period in BTU's
What is 288,000
500
the most powerful motor that is NOT 3 phase
What is CSCR
500
E x I
What is watts
500
overloads are wired to what terminal on a compressor
What is the common terminal
500
On a pressure control, what is the term that describes the difference between the cut in and cut out set points
What is differential