Station 1
Motor Starter
1.
This device is called a/an:
a.
magnetic relay
b. 3-phase breaker
c.
photoelectric switch
d. manual motor starter
e.
main breaker
2.
The maximum horsepower rating of this device with a 240 volt 3-phase motor is:
a.
1
b. 2
c.
3
d. 5
e.
not enough information given
3
The device identified with an “X” is a/an:
a.
magnetic coil
b. overload protection device
c.
coil control terminal
d. voltage regulator
e.
thermal inductor
4.
When connected to 3-phase power, the power enters and connects to:
a.
L1 – L2 – L3
b. T1 – T2 – T3
c.
T5 & T8
d. L1 & L3
e.
T1 – L1 – T2
5.
When ordering from the A-B catalog, the catalog number for this device is:
a.
Bulletin 609
b. 120 Volt Controller
c.
120-240-408
d. 609-AAW
e.
not enough information given
Station 2
Device Identification
On your Scantron®, mark the letter of the name next to the device's number. You will
mark on response numbers 6 - 10.
a.
no correct answer provided
b.
double pole/double throw relay
c.
float switch
d.
flux capacitor
a.
4 pole/single throw relay
b.
panametric marzelvane
c.
double pole/single throw relay
d.
pressure switch
a.
roller/limit switch
b.
single pole/double throw relay
c.
lateral phase detractor
d.
thermostat
Station 3
Determining NEMA Motor Frame Designations
11.
The dimension “U”:
a.
.7500
b. .8750
c.
.7710
d. .7875
e.
not enough information given
12.
The dimension “D”:
a.
5.00
b
4.50
c.
3.75
d. 3.50
e.
not enough information given
13.
The width of the key seat “S” is:
a.
.188
b. .250
c.
.312
d. .375
e.
not enough information given
14.
The frame designation for this motor is:
a.
145
b. 182
c.
145T
d. 215
e.
56
15.
The letters NEMA stand for:
a.
Normal Electrical and Mechanical Articulation
b. National Electrical Manufacturers Association
c.
Nominal Estimates for Measuring Articles
d.
Nebraska Electrical Masters in Arts
e.
none of the above
Station 4
Circuit Troubleshooting
John Gilber has decided to wire his own shop. The code says it must be done in EMT, which he did.
However, when he tried to activate the circuit, things went haywire. He suspects some problems with
the wires inside the conduit. Set the multi-meter up correctly and check them out for him and record
your conclusions for each wire color indicated.
16.
The white wire is/has:
a.
open
b. grounded to the conduit
c.
shorted to another wire
d. high resistance
e.
normal
17.
The green wire is/has:
a.
open
b. grounded to the conduit
c.
shorted to another wire
d. high resistance
e.
normal
18.
The red wire is/has:
a.
open
b. grounded to the conduit
c.
shorted to another wire
d. high resistance
e.
normal
19.
The black wire is/has:
a.
open
b. grounded to the conduit
c.
shorted to another wire
d. high resistance
e.
normal
20.
In the diagram of the multi-meter, the arrow is pointing to:
a.
diode check
b. AC amperage
c.
DC voltage
d. ohms
e.
AC voltage
~
V
Off
V
300 mV
Ω
A
~
A
Station 5
Electric Motors Parts and Components
21.
This component is a/an;
a.
brush
b. stator
c.
capacitor
d. centrifugal weight
e.
frame
22.
This component is a/an:
a.
centrifugal switch
b. overload protection device
c.
spacer
d. centrifugal weight
e.
casing spacer
23.
This component is a/an:
a.
centrifugal switch
b. overload protection device
c.
spacer
d. centrifugal weight
e.
casing spacer
24.
This component is a/an:
a.
wound rotor
b. DC magnet
c.
bird nest
d. stator
e.
nested inductor
25.
This component is a/an:
a.
spacer
b. washer
c.
bushing
d. bearing
e.
shieve
Station 6
24-Hour Time Switch
26.
The 24-hour timer at this station is which type?
a.
SPST
b. SPDT
c.
DPST
d. DPDT
e.
Dayton Timemaster®
27.
The load terminal(s) is/are:
a.
1
b. 2
c.
2&4
d. 1 & 3
e.
1, 3 & 4
28.
This controller has the capability of controlling a device that works on:
a.
120 volts
b. 240 volts
c.
440 volts
d. 120 or 240 volts
e.
not enough information given
29.
The maximum amp load this controller can handle with 10 gage copper wire and a
240 volt 3-phase motor is:
a.
15 amps
b.
20 amps
c.
30 amps
d. 50 amps
e.
N/A
30.
The clock motor will operate on:
a.
120 volts
b. 240 volts
c.
120 or 240 volts
d. 12 or 24 volts
e.
not enough information given
Station 7
Leeson Single Phase Motor Connections
31.
This motor is wired to run on:
a.
115 volts
b. 208-230 volts
c.
230 volts
d. 440 volts
e.
not enough information given
32.
As it is wired, it will rotate:
a.
clockwise
b. backwards
c.
counterclockwise
d. forward
e.
not enough information given
33.
To change the rotation of this motor, switch leads:
a.
T5 & T4
b. T1 & T8
c.
T1 & T5
d. T5 & T8
e.
not enough information given
34.
To determine the direction of rotation of this motor, you must:
a.
face the bell end
b. face the connection box
c.
it doesn’t matter…direction is direction
d. face the lead end
e.
not enough information given
35.
The two cylindrical cover on the top of the motor housing might contain a/an:
a.
resistor
b. centrifugal weight
c.
capacitor
d. magnetic relay
e.
electrical fuel cell
Station 8
Pressure Switch
36.
This device is best suited to control:
a.
water system volume
b. water level in a holding pond
c.
water level in a tank
d. water pressure in a tank or system
e.
not enough information given
37.
The horsepower rating for this switch to control a 115 volt single phase motor is:
a.
115
b. 1 ½
c.
2
d. 3
e.
1/4
38.
This pressure switch will turn the pump on when tank pressure reaches:
a.
50 PSI
b. 115 PSI
c.
30 PSI
d. 230 PSI
e.
not enough information given
39.
The terminals that connect to the load are:
a.
T1 & T2
b. L1 & L2
c.
T1 & L1
d. T2 and L2
e.
L1 – L2 – T3
40.
The brand of this pressure switch is:
a.
Made In USA
b. 9013
c.
EQ572A
d. FSG2
e.
Square D
Station 9
Dual Push Button Motor Control Circuit
41.
In push button station #1, which wire is connected to the “common” terminal or side of the station:
a.
blue
b. black
c.
green
d. red
e.
purple
42.
In push button station #2, which wire is connected to the normally open terminal or side of the
station?
a.
blue
b. black
c.
green
d. red
e.
purple
43.
The start button on both push stations controls the __________ contact points.
a.
N/O
b. N/C
c.
normally off
d. normally on
e.
breaker
44.
The item tagged with an “X” is most likely called a/an:
a.
hot terminal
b. time delay relay
c.
heater
d. pull in coil
e.
push out coil
45.
The L2 terminal of the motor controller is connected to:
a.
the N/O terminal of push button station #1
b. the common terminal of push button station #2
c.
the neutral lead from the power source
d. the power lead to the electric motor
Station 10
Roller Switch Circuit Schematic
Bent Twig packing has installed a fruit handling system where a roller switch will be activated when the
contents of a bin reach a certain weight. The switch controls a conveyer motor and an auger motor. In
addition, a light has been installed to indicate which motor is on. Identify the condition below.
Light
Roller Switch
Conveyor
Motor
A
B
C
Auger
Motor
120 Volts
46.
Is the light on?
a.
yes
b. no
47.
Which motor is on?
a.
conveyor motor
b. auger motor
48.
The motor voltage is:
a.
24
b. 120
c.
240
d. not enough information given
49.
The switch of which type?
a.
SPST
b. SPDT
c.
DPST
d. DPDT
50.
The light is wired in _______________ with the auger motor.
a.
series
b. parallel
c.
diagonal
d. the light has nothing to do with the auger motor
Station 11
Dayton Wattrimmer® 3 Horsepower 3-Phase Motor
51.
As the motor is wired, the windings are connected in:
a.
series
b. parallel
c.
combination
d. harmony
e.
diagonal
52.
To hook this motor up to run on low voltage, connect (not all leads may be included):
a.
7–1
b. 8 – 2
c.
9–3
d. 4 – 5 – 6
e.
all of the above
53.
As it is wired, the motor will run on:
a.
120 volts
b. 230 volts
c.
240 volts
d. 460 volts
54.
As it is wired, the motor will pull:
a.
230 amps
b. 4.2 amps
c.
460 amps
d. 8.4 amps
55.
To change the rotation of this motor, switch:
a.
T5 & T8
b. T5 & T3
c.
any 2 line leads
d. rotation can not be switched on this motor
Station 12
Franklin Electric Motor
56.
This motor is most likely used for which application?
a.
feedmill mixing equipment
b. a pump in a well
c.
a swimming pool pump
d. hydrodynamic amalgamation
e.
I have no idea what it’s used for
57.
The RPM rating of this motor is:
a.
3450
b. 1725
c.
950
d. 8.0
e.
46714
58.
While running on 230 volts, it will pull:
a.
8.0 volts
b. 230 amps
c.
8.0 amps
d. 1.4 amps
e.
60 hz
59.
Information needed to order a replacement motor might include:
a.
model number
b. horsepower rating
c.
motor rpm’s
d. phase power needed
e.
all of the above
60.
This motor was built in:
a.
Bluffton, Indiana
b. San Luis Obispo, California
c.
Franklin, North Dakota
d. Lisbon, Portugal