Esco Electrical Test
C. a faulty thermostat- auto / fan on switch
Amps can be calculated by: A. E/R
B.W/E
C.The square root of W/R
answer: D. all the above
Any material that will readily release electrons is B.A conductor
called:
A capacitor analyzer is designed to check: D .The capacitance of the a capacitor
Capacitors are always connected _____ with the start A. In series
winding?
Capacitors are rated in: D .Both B and C
Capacitor-start, capacitor-run motors provide: B. Medium running and high starting torque
Page 1 of 16
,Esco Electrical Test
Circuit breakers and fuses are used to provide: C. Protection from an overload of current
Contactors are rated according to the maximum B. Contacts
amperage through the:
A device with overload protection used to control a D. Line starter
motor is a:
A diode is used to? A. Control the direction of electron flow
Direct digital control (DDC) is: D. Electronic controls used for equipment control and monitoring
The ____ drawing illustrates where the components are A.Pictorial
located on the appliance.
Electricity can produce: D. All the above
light
heat
magnetism
Page 2 of 16
, Esco Electrical Test
An electron has: B.A negative charge
An electronically commutated motor (ECM) is D .Provide proper airflow under various conditions
designed to:
Excessive current can be caused by: D. Short circuit
How are fuses sized? D .Both A and B
How many watts are used by a heater operating on D .2300
460 volts and drawing 5 amps?
How much resistance must be placed in a 120 volt A.60 ohms
circuit to limit the current to 2 amps?
If contacts become badly pitted, it is acceptable to: B. Replace the contacts or control
If the conductor in an AC circuit is wound into a coil, B. Inductive reactance
the resulting EMF opposes supply voltage. This is
called:
Page 3 of 16
C. a faulty thermostat- auto / fan on switch
Amps can be calculated by: A. E/R
B.W/E
C.The square root of W/R
answer: D. all the above
Any material that will readily release electrons is B.A conductor
called:
A capacitor analyzer is designed to check: D .The capacitance of the a capacitor
Capacitors are always connected _____ with the start A. In series
winding?
Capacitors are rated in: D .Both B and C
Capacitor-start, capacitor-run motors provide: B. Medium running and high starting torque
Page 1 of 16
,Esco Electrical Test
Circuit breakers and fuses are used to provide: C. Protection from an overload of current
Contactors are rated according to the maximum B. Contacts
amperage through the:
A device with overload protection used to control a D. Line starter
motor is a:
A diode is used to? A. Control the direction of electron flow
Direct digital control (DDC) is: D. Electronic controls used for equipment control and monitoring
The ____ drawing illustrates where the components are A.Pictorial
located on the appliance.
Electricity can produce: D. All the above
light
heat
magnetism
Page 2 of 16
, Esco Electrical Test
An electron has: B.A negative charge
An electronically commutated motor (ECM) is D .Provide proper airflow under various conditions
designed to:
Excessive current can be caused by: D. Short circuit
How are fuses sized? D .Both A and B
How many watts are used by a heater operating on D .2300
460 volts and drawing 5 amps?
How much resistance must be placed in a 120 volt A.60 ohms
circuit to limit the current to 2 amps?
If contacts become badly pitted, it is acceptable to: B. Replace the contacts or control
If the conductor in an AC circuit is wound into a coil, B. Inductive reactance
the resulting EMF opposes supply voltage. This is
called:
Page 3 of 16
