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ATT GM AREA TEST 4: QUESTIONS WITH CORRECT SOLUTIONS
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ATT GM AREA TEST 4: QUESTIONS WITH CORRECT SOLUTIONS
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ATT GM AREA TEST 4: QUESTIONS WITH CORRECTSOLUTIONS
What do motion detector circuits not sense? Right Ans - Position
An AC induction motor operates on the principle of what? Right Ans -
Induction
What is localization used for? Right Ans - finding faults in a circuit
What type of power is produced by a generator? Right Ans - electrical
power
What type of acceleration is fixed between 2 points? Right Ans - fixed
velocity
What happens to the velocity of fluid in a flowing pipe if pressure decrease?
Right Ans - velocity decreases
A device that has a spinning shaft and uses electricity as the input or output is
called? Right Ans - rotating machienery
In a pneumatic piston pump what provides rotary pump cooling and
lubrication? Right Ans - oil resevoire fins
The sight glass on a resevoire measures the amount of? Right Ans -
hydraulic fluid
Why is the ac motor the most popular type of rotating machinery used?
Right Ans - used in every home and offices worldwide
In an AC generatorthe output voltage across the load in the external circuit
reverses polarity with every what rotation? Right Ans - 180 degree
What principle of magnetism do motors operate on? Right Ans - attraction
and repulsion
, What principle of magnetism do generators operate on? Right Ans -
passing a conductor through a magnetic field
what devices are affected by a shorted stator winding on a transmitter?
Right Ans - all devices
what device reduces noise and redirects the airstream so it will not cause any
injuries? Right Ans - muffler
what does the fluid provide to the rotary pump in a hydraulic system?
Right Ans - lubrication and cooling
what is the major difference between the torque synchro system and the
control synchro system? Right Ans - current requirments
what is the relationship between distance and time when solving for velocity?
Right Ans - Change in distance with respect to change in time
worn packing in a pump causes? Right Ans - fluid leaks
what principle of magnetism allows a generator to power its own stator
windings and still generate an output voltage? Right Ans - retentivity
how does an incremental motor operate? Right Ans - electrical input
causes shaft to rotate specific distance in degrees
what type of positive displacement pump is used in most hydraulic systems?
Right Ans - rotary
what are the basic components of a synchro? Right Ans - stator and rotor
which device in the control synchro system performs the same function as the
torque transmitter? Right Ans - control transmitter
what do valves control? Right Ans - pressure/ direction/ and flow of fluids
what can a technician do to troubleshoot a signal path with a signal that is too
low for an O-scope to read? Right Ans - use a function or signal generator
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