NOCTI MECHATRONICS COMBINED
EXAM QUESTIONS AND ANSWERS
The winding ratio of a _______________ transformer is rated 3:1 winding
ratio?
step-down
Which of the following is true of an induction motor?
There is no physical electrical connection to the rotor
What is the purpose of the capacitor in a capacitor-start motor?
To provide a phase shift between the run winding and the start winding
The transformer winding to which the line is connected is called the _________
winding.
primary
How do you reverse the direction of rotation in the split-phase motor?
Reverse the polarity of the start winding
, An electric motor is used to convert?
electrical energy into mechanical energy
The following diagram is a/an _______________ transformer.
file:///C:/Users/20gderr/Downloads/0_0.png
isolation
The low voltage windings of a three phase motor are connected in.
parallel
A motor _______________ is a motor controller that contains overload
protection.
starter
What is the primary function of the centrifugal switch in a capacitor-start
motor?
It is closed at start-up to place the capacitor in series with the Start winding
which creates the phase shift to rotate the rotor
Which one of the following is true of a control transformer?
It has two input coils and one output coil
EXAM QUESTIONS AND ANSWERS
The winding ratio of a _______________ transformer is rated 3:1 winding
ratio?
step-down
Which of the following is true of an induction motor?
There is no physical electrical connection to the rotor
What is the purpose of the capacitor in a capacitor-start motor?
To provide a phase shift between the run winding and the start winding
The transformer winding to which the line is connected is called the _________
winding.
primary
How do you reverse the direction of rotation in the split-phase motor?
Reverse the polarity of the start winding
, An electric motor is used to convert?
electrical energy into mechanical energy
The following diagram is a/an _______________ transformer.
file:///C:/Users/20gderr/Downloads/0_0.png
isolation
The low voltage windings of a three phase motor are connected in.
parallel
A motor _______________ is a motor controller that contains overload
protection.
starter
What is the primary function of the centrifugal switch in a capacitor-start
motor?
It is closed at start-up to place the capacitor in series with the Start winding
which creates the phase shift to rotate the rotor
Which one of the following is true of a control transformer?
It has two input coils and one output coil
