What are contactors usually rated to switch current to?

Control devices

Quiz
•
Education
•
University
•
Medium
Azamat Bagitkaliyev
Used 1+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Computers and servers
Motors, lights and heaters
Televisions and radios
Refrigerators and air conditioners
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is true about NEMA designed contactors?
They are not serviceable
They are prevalent in non-US markets
They are only UL listed and rated
They are inherently touch safe
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is true about IEC designed contactors?
They are serviceable in lower HP ratings
They are prevalent in enclosed starters and motor control centers (MCC)
They are comparatively smaller than NEMA contactors
They have six application choices from fractional to 400HP (480V)
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What does a Combination starter consist of?
A MSP and a relay
A MSP and a contactor
A contactor and a relay
A relay and a circuit breaker
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the primary function of a soft starter in a motor?
To vary the speed of the motor
To provide a reduced voltage motor start
To increase the inrush current
To provide branch circuit protection
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
In which scenario might a soft starter be used for a reduced torque motor start?
In a high-speed train where a sudden start could cause discomfort to passengers
In a computer fan where a sudden start could cause a system crash
In a wind turbine where a sudden start could cause structural damage
In a bottling conveyor where a sudden start or stop could damage the bottles
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
When are Variable Frequency Drives (VFDs) typically used?
When the speed of the motor needs to be constant
When the speed of the motor needs to be varied
When the motor needs to be stopped
When the motor needs to be started
Create a free account and access millions of resources
Similar Resources on Wayground
20 questions
Types of Motors

Quiz
•
University
10 questions
Introduction to Automation System

Quiz
•
University
10 questions
VCS quiz 1

Quiz
•
University
19 questions
K2 : COMPUTER NETWORK INSTALLATION & CONFIGURATION

Quiz
•
University
16 questions
PLC (Unit-1_Introduction & Overall look inside PLC)

Quiz
•
University
10 questions
MECANICA AUTOMOTRIZ

Quiz
•
University
20 questions
uC Final V2 TK3

Quiz
•
University
17 questions
TREKKING VS HIKING

Quiz
•
University
Popular Resources on Wayground
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice

Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers

Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade