ATT TEST 11 ACTUAL TEST 2025 | ALL QUESTIONS AND CORRECT
ANSWERS | ALREADY GRADED A+ | LATEST TEST | VERIFIED
ANSWERS
What is a motor - (CORRECT ANSWER)a device that converts electrical energy into mechanical energy
What is a generator - (CORRECT ANSWER)a device that converts mechanical energy into electrical
energy
What is an incremental motor - (CORRECT ANSWER)a motor whose shaft rotates a specific distance in
degrees
What is a continuous motor - (CORRECT ANSWER)one whose shaft continuously rotates without
interruption when input is applied
What type of generator produces DC volts and uses a commutator? - (CORRECT ANSWER)Dynamo
Motors and generators operate on what principle? - (CORRECT ANSWER)Electromagnetism
What characteristic describes how fast shaft rotates and is measured in RPM/RPS? - (CORRECT
ANSWER)Speed
What characteristic is a twisting force that causes shaft to rotate? - (CORRECT ANSWER)Torque
How is torque calculated in generators? - (CORRECT ANSWER)Force X Distance from center of shaft
How are torque and speed related? - (CORRECT ANSWER)Inversely proportional
What characteristic is a generated voltage that OPPOSES applied volts? - (CORRECT
ANSWER)Couterelectromotive Force (CEMF)
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, How is CEMF produced? - (CORRECT ANSWER)By the rotation of motors shaft
How is CEMF related to speed and torque? - (CORRECT ANSWER)CEMF is proportional to speed and
inversely proportional to torque
What are loads? - (CORRECT ANSWER)items that require motion and are driven by rotating shaft
(motors) and electrical circuits that require power (generators)
How are loads related to speed? - (CORRECT ANSWER)Inversely proportional
What characteristic is the amount of work accomplished? - (CORRECT ANSWER)power
How is power calculated in motors? - (CORRECT ANSWER)torque X RPM X K
How is power measured? - (CORRECT ANSWER)Watts and HP
How is power related to load and speed? - (CORRECT ANSWER)Proportional to load and inversely
proportional to speed
When is torque greatest? - (CORRECT ANSWER)When RPM is 0 (locked motor)
How much CEMF is generated in locked motor condition? - (CORRECT ANSWER)None
What is the definition of one horsepower? - (CORRECT ANSWER)Power needed to lift 550 lbs 1 foot in
one second or (33000 lbs in one minute)
What principle of magnetism do motors operate on? - (CORRECT ANSWER)Attraction/repulsion
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ANSWERS | ALREADY GRADED A+ | LATEST TEST | VERIFIED
ANSWERS
What is a motor - (CORRECT ANSWER)a device that converts electrical energy into mechanical energy
What is a generator - (CORRECT ANSWER)a device that converts mechanical energy into electrical
energy
What is an incremental motor - (CORRECT ANSWER)a motor whose shaft rotates a specific distance in
degrees
What is a continuous motor - (CORRECT ANSWER)one whose shaft continuously rotates without
interruption when input is applied
What type of generator produces DC volts and uses a commutator? - (CORRECT ANSWER)Dynamo
Motors and generators operate on what principle? - (CORRECT ANSWER)Electromagnetism
What characteristic describes how fast shaft rotates and is measured in RPM/RPS? - (CORRECT
ANSWER)Speed
What characteristic is a twisting force that causes shaft to rotate? - (CORRECT ANSWER)Torque
How is torque calculated in generators? - (CORRECT ANSWER)Force X Distance from center of shaft
How are torque and speed related? - (CORRECT ANSWER)Inversely proportional
What characteristic is a generated voltage that OPPOSES applied volts? - (CORRECT
ANSWER)Couterelectromotive Force (CEMF)
1
, How is CEMF produced? - (CORRECT ANSWER)By the rotation of motors shaft
How is CEMF related to speed and torque? - (CORRECT ANSWER)CEMF is proportional to speed and
inversely proportional to torque
What are loads? - (CORRECT ANSWER)items that require motion and are driven by rotating shaft
(motors) and electrical circuits that require power (generators)
How are loads related to speed? - (CORRECT ANSWER)Inversely proportional
What characteristic is the amount of work accomplished? - (CORRECT ANSWER)power
How is power calculated in motors? - (CORRECT ANSWER)torque X RPM X K
How is power measured? - (CORRECT ANSWER)Watts and HP
How is power related to load and speed? - (CORRECT ANSWER)Proportional to load and inversely
proportional to speed
When is torque greatest? - (CORRECT ANSWER)When RPM is 0 (locked motor)
How much CEMF is generated in locked motor condition? - (CORRECT ANSWER)None
What is the definition of one horsepower? - (CORRECT ANSWER)Power needed to lift 550 lbs 1 foot in
one second or (33000 lbs in one minute)
What principle of magnetism do motors operate on? - (CORRECT ANSWER)Attraction/repulsion
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