Quiz_________________?
. If the element shorts to ground when the switch is closed: -
Answer✅
Short circuit occurs
Quiz_________________?
10. How can neon signal lights be used to help troubleshoot, erratic equipment problems? -
Answer✅
They can be wired across controls to tell whether they are open and across loads to tell
when they have
Quiz_________________?
10. Where is the capacitor connected in a capacitor start motor? -
Answer✅
In series with start winding
Quiz_________________?
11 do contractor contacts that look dark in color necessarily mean the contactor needs to be
replaced -
Answer✅
1
, No
Quiz_________________?
11. Anytime you have a short circuit and cannot read a problem with an O meter. The
problem will most often be found in one of what two components. -
Answer✅
Switches or signal lights
Quiz_________________?
12 If you had an oven rated at 240 V and only had a 208 V supply available what kind of
transformer would be used to raise the voltage -
Answer✅
Step up
Quiz_________________?
12. Do contacts that look like they have rough surfaces indicate that the contact should be
replaced. -
Answer✅
No
Quiz_________________?
12. If a neon light starts flickering, what is indicated -
Answer✅
The light is failing, it just needs to be replaced
Quiz_________________?
13 Give five possible causes for a machine using a liquid level control to over fill -
Answer✅
2
, Scale buildup, background, relay coil open scaled, short probe, broken wire , D ionized water
Quiz_________________?
13. What will contact look like in a contactor when the contactor should be replaced? -
Answer✅
Worn thin or cratered out
Quiz_________________?
14 Give five possible causes for a machine using a liquid level control to fail to fill -
Answer✅
Water turned off bad fill valve shorted short probe shorted, wire to short probe faulty
control
Quiz_________________?
15. If a tank fills one time and then will not refill again until the power switch is switched off
and back on where is the problem? -
Answer✅
Shorted long probe circuit
Quiz_________________?
16. How do you check a contactor coil to ensure that it's all right -
Answer✅
Om it with a meter and compare it to a chart or to an exact duplicate contactor
Quiz_________________?
17. When they contacter buzzes when it is energized, what is the problem? -
Answer✅
Worn, the armature is not pulling down tightly
3
, Quiz_________________?
18. When they contact the chatters one energize, what is the problem? -
Answer✅
the controls
Quiz_________________?
19 will replacing a chattering contact or solved the problem -
Answer✅
No
Quiz_________________?
2 Does a neon light signal have any resistance when checked with an ohm meter? -
Answer✅
No
Quiz_________________?
2- liquid level controls operate based on the principle that an electric current can flow
through what -
Answer✅
Water
Quiz_________________?
20. What can be used to eliminate chattering problem in a contactor? -
Answer✅
A capacitor across the contractor coil
Quiz_________________?
4
. If the element shorts to ground when the switch is closed: -
Answer✅
Short circuit occurs
Quiz_________________?
10. How can neon signal lights be used to help troubleshoot, erratic equipment problems? -
Answer✅
They can be wired across controls to tell whether they are open and across loads to tell
when they have
Quiz_________________?
10. Where is the capacitor connected in a capacitor start motor? -
Answer✅
In series with start winding
Quiz_________________?
11 do contractor contacts that look dark in color necessarily mean the contactor needs to be
replaced -
Answer✅
1
, No
Quiz_________________?
11. Anytime you have a short circuit and cannot read a problem with an O meter. The
problem will most often be found in one of what two components. -
Answer✅
Switches or signal lights
Quiz_________________?
12 If you had an oven rated at 240 V and only had a 208 V supply available what kind of
transformer would be used to raise the voltage -
Answer✅
Step up
Quiz_________________?
12. Do contacts that look like they have rough surfaces indicate that the contact should be
replaced. -
Answer✅
No
Quiz_________________?
12. If a neon light starts flickering, what is indicated -
Answer✅
The light is failing, it just needs to be replaced
Quiz_________________?
13 Give five possible causes for a machine using a liquid level control to over fill -
Answer✅
2
, Scale buildup, background, relay coil open scaled, short probe, broken wire , D ionized water
Quiz_________________?
13. What will contact look like in a contactor when the contactor should be replaced? -
Answer✅
Worn thin or cratered out
Quiz_________________?
14 Give five possible causes for a machine using a liquid level control to fail to fill -
Answer✅
Water turned off bad fill valve shorted short probe shorted, wire to short probe faulty
control
Quiz_________________?
15. If a tank fills one time and then will not refill again until the power switch is switched off
and back on where is the problem? -
Answer✅
Shorted long probe circuit
Quiz_________________?
16. How do you check a contactor coil to ensure that it's all right -
Answer✅
Om it with a meter and compare it to a chart or to an exact duplicate contactor
Quiz_________________?
17. When they contacter buzzes when it is energized, what is the problem? -
Answer✅
Worn, the armature is not pulling down tightly
3
, Quiz_________________?
18. When they contact the chatters one energize, what is the problem? -
Answer✅
the controls
Quiz_________________?
19 will replacing a chattering contact or solved the problem -
Answer✅
No
Quiz_________________?
2 Does a neon light signal have any resistance when checked with an ohm meter? -
Answer✅
No
Quiz_________________?
2- liquid level controls operate based on the principle that an electric current can flow
through what -
Answer✅
Water
Quiz_________________?
20. What can be used to eliminate chattering problem in a contactor? -
Answer✅
A capacitor across the contractor coil
Quiz_________________?
4
