
Soft Starters and Direct Online Starters

Interactive Video
•
Science, Computers, Professional Development
•
9th - 12th Grade
•
Easy

Liam Anderson
Used 1+ times
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary difference between a Direct Online Starter and a Soft Starter?
Direct Online Starter uses less current.
Soft Starter provides a sudden start.
Soft Starter gradually increases the motor speed.
Direct Online Starter reduces mechanical stress.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the motor current behave when using a Direct Online Starter?
It decreases and then increases.
It starts with low current and gradually increases.
It starts with high current and then drops to normal.
It remains constant throughout.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of TRIACs in a Soft Starter?
They provide constant voltage.
They increase the motor speed instantly.
They regulate the voltage and current.
They decrease the motor speed.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when the motor reaches its nominal speed in a Soft Starter?
TRIACs continue to conduct current.
Bypass contactor turns off.
Motor stops immediately.
TRIACs turn off and bypass contactor turns on.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which component in a Soft Starter applies full voltage to the motor coils?
TRIACs
Voltage regulator
Bypass contactor
Gate firing circuit
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What can be adjusted in a Soft Starter to suit different applications?
Motor size
Ramp up and down times
Voltage output
Current frequency
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does a Soft Starter benefit the electrical distribution network?
By increasing mechanical stress.
By providing constant current.
By reducing electro-dynamic stresses.
By increasing the voltage.
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