Electric Motor Control Final questions well answered to
pass rated A+
1. motor
horsepower, service factor,marked temperature rise, voltage, full load
connec-
current rating and nema code letter
tions factors
they can provide power factor correction for themselves
2. Synchronous
mo- tor
advantage
to power most of the machines throughout industry
3. Squirrel cage
in- duction
motors are
used IEC and NEMA
4. motor starters
can be divided
into two classes 00-8
5. NEMA
starters
range
6. NEMA size 00 is rated to control a 2-horsepower motor connected to a 460 volt,
three phase
power supply
7. NEMA size 8 Will control a 900 horsepower motor connected to a 460 volt, three
phase power
supply
8. semiautomati characterized by the use of push buttons, limit switches, pressure switches
c controls
and other sensing devices to control
9. manual controls simple devices that are hooked onto the line of a motor
10. Automatic con- trols
1/
22
, Electric Motor Control Final questions well answered to
pass rated A+
11. across the similar to semiautomatic controls but operator does not have to initiate
line starting control
accomplished by connecting the motors directly to the power line
2/
22
, Electric Motor Control Final questions well answered to
pass rated A+
12. ramping requires a motor to start at a low speed and accelerates to full speed
over time
13. Simplest disconnect power line
method of
stopping
14. Normally
open push
button
15. Normally
closed push
button
16. When compo-
nents are
shown
connected by 18. float switch
a dashed line
in
a schematic
dia- gram
17. Normally open
liq- uid flow
switch
3/
22
pass rated A+
1. motor
horsepower, service factor,marked temperature rise, voltage, full load
connec-
current rating and nema code letter
tions factors
they can provide power factor correction for themselves
2. Synchronous
mo- tor
advantage
to power most of the machines throughout industry
3. Squirrel cage
in- duction
motors are
used IEC and NEMA
4. motor starters
can be divided
into two classes 00-8
5. NEMA
starters
range
6. NEMA size 00 is rated to control a 2-horsepower motor connected to a 460 volt,
three phase
power supply
7. NEMA size 8 Will control a 900 horsepower motor connected to a 460 volt, three
phase power
supply
8. semiautomati characterized by the use of push buttons, limit switches, pressure switches
c controls
and other sensing devices to control
9. manual controls simple devices that are hooked onto the line of a motor
10. Automatic con- trols
1/
22
, Electric Motor Control Final questions well answered to
pass rated A+
11. across the similar to semiautomatic controls but operator does not have to initiate
line starting control
accomplished by connecting the motors directly to the power line
2/
22
, Electric Motor Control Final questions well answered to
pass rated A+
12. ramping requires a motor to start at a low speed and accelerates to full speed
over time
13. Simplest disconnect power line
method of
stopping
14. Normally
open push
button
15. Normally
closed push
button
16. When compo-
nents are
shown
connected by 18. float switch
a dashed line
in
a schematic
dia- gram
17. Normally open
liq- uid flow
switch
3/
22
