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Saca electrical 201 exam with complete
solution
1.
What
should
you
do
before
working
on
electrical
equipment?:
Lock out tag
out(LOTO)
2.
What
is
normally
not
measured
on
a
digital
multi
meter?:
Frequency
3.
Main line current formula in parallel: 1/
1/R1+1/R2+1/R3
4. What is indicated when voltage is measured across the contacts of a switch: Its
open
5. What type of transformer is used to get two 120 volt lines from a 480 volt
source?: 4:1 center tap
6.
What is the effect of a capacitor in a DC circuit in a parallel circuit?: Aids
voltage
change
7. What is the immediate danger of unsecured electrical cords?: Trip hazard
8.
Why does most electrical utility power go throughout the world use AC
instead
of
DC?:
AC is better for transmitting longer
distances and it is cheaper to generate.
9.
When should a fuse be replaced?: When there is no
continuity
10. What type of voltage divider is normally used when the load resistance is
relatively low?: Loaded voltage divider
11.
What
action
should
be
taken
when
a
circuit
breaker
trips?:
Ott then on
12.
If you add a third capacitor in series with two other capacitors, what would
happen to total capacitance and current.:
The current and capacitance would decrease
13. Where are the meter leads placed in a circuit to measure current in a single component or device.: In series
