Star - Delta Starter
Authored by Muhammed khallaf
Instructional Technology
12th Grade
Used 5+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the name of part number (4) in the circuit shown?
2-Main contactor
Contactor for Star connection
Contactor for Delta connection
Overload relay
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using a star-delta starter?
To increase the motor's efficiency
To improve the motor's torque
To decrease the motor's speed
To reduce the starting current drawn by the motor
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the name of the circuit shown in the figure?
Control circuit for Reversing the direction.
Power circuit for Reversing the direction
Control circuit for Star-Delta Starter
Power circuit for Star-Delta Starter
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How does a star-delta starter help in reducing starting current?
By initially connecting the motor windings in a star configuration to reduce voltage and starting current.
By using a direct-on-line starter instead
By increasing the voltage supplied to the motor windings
By reducing the number of motor windings
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What are the advantages of using a star-delta starter?
Reduced starting current, minimized voltage drop during starting, improved efficiency
No impact on starting current, increased voltage drop during starting, decreased efficiency
Reduced starting current, increased voltage drop during starting, improved efficiency
Increased starting current, maximized voltage drop during starting, reduced efficiency
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What are the disadvantages of using a star-delta starter?
No disadvantages at all
Higher cost, more maintenance, higher starting current
Shorter lifespan, less efficiency, lower power output
Lower cost, less maintenance, lower starting current
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the name of part number 2 in the power circuit shown in the figure?
Overload relay
Contactor for Delta connection
Main contactor
Contactor for Star connection
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