Electrical 3rd Year Questions And Answers 100% Verified.
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Course
Electrical
Institution
Electrical
Electrical 3rd Year Questions And Answers 100% Verified.
What does a power distribution diagram show? - correct answer. where each circuit branches out from the source and what circuit each fuse protects
What does a fuse block diagram represent? - correct answer. the fuse box conn...
Electrical 3rd Year Questions And Answers
100% Verified.
What does a power distribution diagram show? - correct answer. where each circuit
branches out from the source and what circuit each fuse protects
What does a fuse block diagram represent? - correct answer. the fuse box
connections that form part of the power distribution diagram
What kind of diagram shows you how components are grounded? - correct answer.
ground distribution diagram
Why is shielding used on sensor and bus circuits? - correct answer. to prevent or
reduce induced electromagnetic interference in a circuit
What are regular production codes used for? - correct answer. to identify vehicle
options
What kind of faults are voltmeters useful for finding? - correct answer. high resistance,
locating opens and tracing grounds
What kind of faults are ammeters useful for finding? - correct answer. checking
current flow to determine internal shorts, excessive resistance
What kind of faults are ohmmeters useful for finding? - correct answer. for continuity in
isolated components
Voltage drops are the most accurate method of tracing what kind of fault? - correct
answer. high resistance
Erratic and unpredictable operation of circuits can be caused by? - correct answer.
faulty grounds
, For a voltage drop to be accurate the circuit must be ______ for its maximum rated
current flow - correct answer. energized
A switch input to a _____ module may use either a pull___ or a pull ____ circuit to
provide the voltage signal that the module senses. - correct answer. control, up, down
What do the terms pull up and pull down refer to? - correct answer. whether the input
circuit voltage pulls up to positive potential or pulls down to negative potential
In a pull up or pull down circuit what provides the load inside the control module for the
input circuit? - correct answer. current limiting resistor
On which wire do control modules monitor the voltage? - correct answer. sense line
(signal line)
What side of the switch in a control module is the sense line? - correct answer. the
load side of the switch
A pull down switch is open what does the control module read? - correct answer. 5v
A control module reads 0v from a pull up switch what position is the switch in? - correct
answer. open
A control module reads on its ____ line that the pull down switch is _____ because it
senses 0v - correct answer. sense (signal) line, closed
What are 4 types of sensors you would find in a vehicle? - correct answer. Discrete
switches, Reference voltage sensors, Voltage producing sensors and Solid state
sensors
What types of sensors has a basic signal that is one of two states on or off? - correct
answer. discrete switch
What are reference voltage sensors also known as? - correct answer. Variable
resistors
The _________ sensor drops all, none or a portion of voltage on the sense line to
produce an input signal - correct answer. reference voltage sensor
What is a discrete switch? - correct answer. basic switch with one of two functions on
or off
Some reference voltage sensors use a variable resistor type circuit called a? - correct
answer. voltage divider
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