ATT Test 11
ATT Test 11 Questions and Answers
Question 1
What is a motor
Correct Answer
a device that converts electrical energy into mechanical energy
Question 2
What is a generator
Correct Answer
a device that converts mechanical energy into electrical energy
Question 3
What is an incremental motor
Correct Answer
a motor whose shaft rotates a specific distance in degrees
Question 4
What is a continuous motor
Correct Answer
one whose shaft continuously rotates without interruption when input is applied
Question 5
What type of generator produces DC volts and uses a commutator?
Correct Answer
Dynamo
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, ATT Test 11
Question 6
Motors and generators operate on what principle?
Correct Answer
Electromagnetism
Question 7
What characteristic describes how fast shaft rotates and is measured in RPM/RPS?
Correct Answer
Speed
Question 8
What characteristic is a twisting force that causes shaft to rotate?
Correct Answer
Torque
Question 9
How is torque calculated in generators?
Correct Answer
Force X Distance from center of shaft
Question 10
How are torque and speed related?
Correct Answer
Inversely proportional
Question 11
What characteristic is a generated voltage that OPPOSES applied volts?
Correct Answer
Couterelectromotive Force (CEMF)
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, ATT Test 11
Question 12
How is CEMF produced?
Correct Answer
By the rotation of motors shaft
Question 13
How is CEMF related to speed and torque?
Correct Answer
CEMF is proportional to speed and inversely proportional to torque
Question 14
What are loads?
Correct Answer
items that require motion and are driven by rotating shaft (motors) and electrical
circuits that require power (generators)
Question 15
How are loads related to speed?
Correct Answer
Inversely proportional
Question 16
What characteristic is the amount of work accomplished?
Correct Answer
power
Question 17
How is power calculated in motors?
Correct Answer
torque X RPM X K
Page 3 of 20
ATT Test 11 Questions and Answers
Question 1
What is a motor
Correct Answer
a device that converts electrical energy into mechanical energy
Question 2
What is a generator
Correct Answer
a device that converts mechanical energy into electrical energy
Question 3
What is an incremental motor
Correct Answer
a motor whose shaft rotates a specific distance in degrees
Question 4
What is a continuous motor
Correct Answer
one whose shaft continuously rotates without interruption when input is applied
Question 5
What type of generator produces DC volts and uses a commutator?
Correct Answer
Dynamo
Page 1 of 20
, ATT Test 11
Question 6
Motors and generators operate on what principle?
Correct Answer
Electromagnetism
Question 7
What characteristic describes how fast shaft rotates and is measured in RPM/RPS?
Correct Answer
Speed
Question 8
What characteristic is a twisting force that causes shaft to rotate?
Correct Answer
Torque
Question 9
How is torque calculated in generators?
Correct Answer
Force X Distance from center of shaft
Question 10
How are torque and speed related?
Correct Answer
Inversely proportional
Question 11
What characteristic is a generated voltage that OPPOSES applied volts?
Correct Answer
Couterelectromotive Force (CEMF)
Page 2 of 20
, ATT Test 11
Question 12
How is CEMF produced?
Correct Answer
By the rotation of motors shaft
Question 13
How is CEMF related to speed and torque?
Correct Answer
CEMF is proportional to speed and inversely proportional to torque
Question 14
What are loads?
Correct Answer
items that require motion and are driven by rotating shaft (motors) and electrical
circuits that require power (generators)
Question 15
How are loads related to speed?
Correct Answer
Inversely proportional
Question 16
What characteristic is the amount of work accomplished?
Correct Answer
power
Question 17
How is power calculated in motors?
Correct Answer
torque X RPM X K
Page 3 of 20
