BASIC EEE INSTUMENT

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Q1:- What will happen if meter haven't controlling or restoring torque ?

1. deflecting will be zero in rotating system
2. deflecting will be infinite in rotating system
3. damping will be infinite in  rotating system
4. none

ANSWER:-2

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Q2:- Controling torque working as a resistance for deflecting torque which is?

1. it increase as deflection increase
2. it decrease as defection increase
3. it neither increase or decrease as defection increase 
4. none

ANSWER:-1

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Q3:- Where deflecting torque and controlling torque are equal then

1. pointer of meter will run
2. pointer of mete goes to infinite 
3. pointer of mete will be stop there 
4. none

ANSWER:-3

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Q4:- Type of controlling toque is 

1. spring control
2. gravity controll
3. both 1 and 2
4. none

ANSWER:-3

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Q5:- In spring controll hair spring is made of which material

1. silica steel
2. phosphor
3. steel alloy
4. phosphor bronze

ANSWER:-4

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Q6:- Spring hair should have quality

1. should not magnet
2. should have low specific resistance 
3. should have low temp co-effiicient 
4. all

ANSWER:-4

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Q7:- In gravity control method two small weight put on the moving system which is true about it's

1. both are control pointer
2. one weight stay the pointer another weight work to take pointer to it's initial position.
3. both produced opposite torque to each other
4. both 2 and 3

ANSWER:-4

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Q8:- Damping toque wok always 

1. opposite to vibration of pointer
2. favour to vibration of pointer
3. both 1 and 2
4. none

ANSWER:-1

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Q9:-Damping toque can be produced by 

1. by eddy current 
2. by air friction
3. by fluid friction 
4. all

ANSWER:-4

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Q10:- How deflecting torque can be produced 

1. by magnetic effect 
2. by thermal effect
3. by induction effect
4. by hall effect 
5. all

ANSWER:-5

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