IF YOU LOOKING FOR TROUBLE
Grounded condenser fan motor will do this to the circuit breaker
What is TRIPPED
Loose connections may cause this thermal condition of wires and terminals
What is OVERHEATING
This motor control is designed for over 20 AMPS
What is a CONTACTOR
________ motor protection is provided by sensing devices within the motor
What is INTERNAL or INHERENT
What is the reason pulleys must be aligned accurately?
What is TO PREVENT BELT FROM WEARING OUT PREMATURELY
A common symptom of an overheated run capacitor body is that it ( Double the Points )
What is SWELLS
Loose connections may cause low voltage leading to ______ current conditions ( Over or Under )
What is OVER
When a motor has a hard time starting it will often make this sound
What is HUMMMMMMMMM
The purpose of thermal overload protection in the motor ( Five Times the Points )
What is A QUICK RESPONSE TO EXCESSIVE HEAT IN THE MOTOR
What is the result of starting a motor that is grounded?
What is BLOWING A FUSE OR TRIPPING A CIRCUIT BREAKER
An open winding in an electric motor means that the winding is ( Double the Points )
What is BROKEN/OPEN
This winding has the highest resistance reading on a three phase motor
What is ALL THREE WINDINGS
Crankcase heat for compressors is often controlled by __________ contacts
What is AUXILLARY
Reserve capacity of a motor operating out of its normal range of horsepower is called
What is THE SERVICE FACTOR
What effect does a loose connection or excessive sunlight have on a solder-pot overload?
What is IT MAY CAUSE THE TEMPERATURE SENSITIVE DEVICE TO TRIP
If there is a decrease is resistance in the run winding what will happen to the amperage draw? ( Increase or Decrease )
What is Increase?
Fuses are used as ______ protectors and not individual component protection.
( Double the Points )
What is CIRCUIT/WIRE
A RELAY is used for motor starting and ________ circuits
What is SWITCHING
This overload device is the most accurate ( Solder Pot or Magnetic )
What is MAGNETIC
These overloads can be affected by ambient temperature, the solder-pot and the ____________
(Triple the Points)
What is the BIMETAL
Evaporator fan motor has an open run-winding, and the compressor is running. What happens to the suction pressure? ( Increase or Decrease )
What is Decrease?
Conductors (wires) on a motor are also called the
( Double Times the Points )
What is LEADS
A motor starter has three main components, which are the electrical contacts, overload protectors and a
What is MAGNETIC COIL
Motor protection that is applied to relays, contactors, and starters. (Triple the Points)
What is EXTERNAL MOTOR PROTECTION
This is what keeps equal tension on all contact surfaces in the contactor
What is THE SPRINGS