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Study MCQ
Refrigeration and Air Conditioning Technician
ELECTRICAL
Set 5
Set 5
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Q9971
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Which material is used to avoid oxidation between aluminium conductor and the terminal?
A
Petrol
B
Grease
C
Shellac
D
Kerosene
Q9972
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What is the condition of compressor motor if Ohm meter reads infinity across common and start terminals?
A
Running winding open
B
Starting winding open
C
Starting winding shorted
D
Running winding shorted
Q9973
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What is the effect of pouring water on electrodes resistance in earth pit?
A
Decreases
B
Increases
C
Equalises
D
Remains same
Q9974
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What is the total resistance if two resistors R1 and R2 are connected in series?
A
(R1 - R2) Ohms
B
(R1 + R2) Ohms
C
(R1 x R2) Ohms
D
(R1 / R2) Ohms
Q9975
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Which is the common terminal while Ohm meter reads AB = 10 Ohm, AC = 15 Ohm and BC = 25 Ohm if the motor terminals are A, B and C?
A
Terminal A
B
Terminal B
C
Terminal C
D
Earth Terminal
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