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WorksheetsMG L2 Electrical
Total questions: 20
Worksheet time: 20mins
Name
Class
Date
1.
How do we check current in a circuit?<br />
a)
In Series with point of check<br />
b)
In Parallel with point of check<br />
c)
Between positive and negative<br />
d)
None of the above<br />
2.
How does any ECU control input signal?<br />
a)
By using a capacitor
b)
By using a reference resitance or transistor
c)
By getting feedback from battery<br />
d)
None of the above<br />
3.
What type of CAN protocol is used in Astor?
a)
High speed CAN
b)
Low Speed CAN
c)
Only LIN
d)
Star Type
4.
What type of signal is received from a Hall effect CKP sensor?
a)
Analog
b)
Linear
c)
Digital
d)
None of the above<br />
5.
Why do we have two O2 Sensors in modern Vehicles?
a)
For increasing signal speed
b)
For checking Cat Con working
c)
For easy diagnosis
d)
None of the above<br />
6.
How many CAN buses are there excluding LIN in Astor?
a)
1
b)
2
c)
3
d)
None of the above<br />
7.
What principle is right about an NTC sensor?
a)
Resistance decreases when temperature decreases
b)
Resistance decreases when temperature increases
c)
It is not related to resistance
d)
All of the above
8.
What is the first step of electrical diagnosis in the given list?
a)
Check related fuses
b)
Check related circuit diagram
c)
Check battery voltage
d)
Check component condition
9.
Where do you find the Cooling fan circuit in Astor Service manual?
a)
Phenomena Based Diagnosis
b)
Earth Lead circuit
c)
Sub System Circuits
d)
Power districution
10.
What type of sensor principle is used in MAF?
a)
Potentiometer
b)
Piezo electric
c)
PTC
d)
Hot wire or Hot film
11.
What is the voltage you get in High speed CAN protocol at High side?
a)
3.5-3.7
b)
4.1-4.3
c)
2.6-2.8
d)
None of the above<br />
12.
Why does Hector does not have a Gateway?
a)
It does not have CAN system <br />
b)
It has only 1 CAN Bus<br />
c)
It uses Star Protocol
d)
It uses Optical fiber communication
13.
The procedure to determine the difference in voltage potential between two points is called
a)
Voltage Drop
b)
Voltage Measurement
c)
Short to Positive
d)
Short to negative
14.
By connecting positive lead of digital multimeter to the point of the circuit to be tested and negative lead of the digital multimeter to a good ground, we are measuring
a)
Voltage Drop
b)
Voltage Measurement
c)
Short to negative
d)
Short to positive
15.
To measure short to ground, Set the digital multimeter to ________________, connect one lead of digital multimeter to one end of the circuit to be tested and other lead of digital multimeter to a good ground
a)
Resistance Mode
b)
Continuity Mode
c)
Both the above
d)
Ampere Mode
16.
Which of the following points to be considered while testing short to voltage?
a)
Remove the power feed (i.e. fuse, control module) from the suspect circuit and disconnect the load
b)
Connect the positive lead of the digital multimeter to one end of the circuit to be tested and negative lead of the digital multimeter to a good ground
c)
Turn ON the ignition and operate all accessories, If the voltage measured is greater than 1V, there is a short to voltage in the circuit
d)
All the above
17.
What is it that you does not have to do while checking resistance?
a)
Disconnect negative of the battery
b)
Put the multimeter in Resistance mode
c)
Remove the component completely from the vehicle
d)
None of the above<br />
18.
What does BU/YE in Hector wiring diagrom mean?
a)
Black/Yellow
b)
Blue/Yellow
c)
Brown/Yellow
d)
None of the above<br />
19.
What is the meaning of "I" in a Hector wiring diagram?
a)
Physical Splice
b)
Ground
c)
Control module:Input/output resistor
d)
Complete Component
20.
What principle does a Manifold absolute pressure sensor use?
a)
Piero electric
b)
Piezo electric
c)
Hall effect
d)
NTC
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