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Machinist
BASIC ELECTRICAL EQUIPMENTS AND SENSORS
Set 3
Set 3
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Q7833
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What is the name of the electro mechanical device having insulated wire wound over a solid iron core?
A
Motor
B
Solenoid
C
Transformer
D
Inductor
Q7834
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Which rule determines the direction of motion of the conductor in D.C. motor?
A
Fleming's right hand rule
B
Fleming's left hand rule
C
Marewells right hand grip rule
D
Cork's screw rule
Q7835
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Which law states the working principle of the generator?
A
Lenz's law
B
Ohm's law
C
Faraday's law of electro magnetic induction
D
Kirchhoff's law
Q7836
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What is the component have the same physical dimensions of MCBs but cannot be used for automatic tripping?
A
Fuse
B
Isolator
C
Starter
D
Relay
Q7837
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Which is the technology used by photo electric sensors for sensing the target?
A
Inductive
B
Capactive
C
Photo electric
D
Ultra sonic
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