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Unit -16: Verify compliance of low voltage systems Quiz 2
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1.Remove all the cell phones and handouts
2.Noise making not allowed.
3. Penalized caught cheating.
4. Leave the exam room at the end of the test
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Q1
Score: 1
100A
30A
15A
60A
Q2
Score: 1
a.Wattmeter and phase sequence indicator
b.Phase sequence indicator and static type phase sequence indicator
c.Static type phase sequence indicator and ohmmeter
d.Wattmeter and static type phase indicator.
Q3
Score: 1
a. Protective devices like fuses and breakers would not be activated
b. Over voltage
c. Over current
d. Under voltage
Q4
Score: 1
a. Large loads such as electric motors being switched on
b. The run of circuit conductors is long and there is high resistance in the conductors
c. Sudden change in loads
d. The loss of power
Q5
Score: 1
a. Power transformer
b. Distribution transformer
c. Welding machine transformer
d.Three phase transformer
Q6
Score: 1
a. 0.25M ohms
b. 2.0M ohms
c. 1.0M ohms
d. 0.5M ohms
Q7
Score: 1
a. Power transformer
b. Distribution transformer
c. Welding machine transformer
d. Three phase transformer
Q8
Score: 1
a. Earthing
b. Bonding
c. Basic protection
d. Fault protection
Q9
Score: 1
a. Protection against over voltage
b. Protection against under voltage
c. Protection against over current
d. Stabilize the neutral voltage to zero at the start of the installation and provide the lowest to fault currents possible impedance to
Q10
Score: 1
a.Connects the main earthing to the earth electrode
b.Connects any portion of the earthing system to the portion of the electrical installation
c.Connects to the general mass of the earth
d.Links the earth with the electrode
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