101. For a power factor meter, mark the incorrect statement:
     

1. 1. The deflection is proportional to the phase angle between field coil and crossed coil
      

   
   
   

   2. The restoring torque is provided by a control spring
      

   
   
   

   3. The balance position depends upon the resulting torque developed by the two coils
      

   
   
   

   4. It consists of two coils mounted at right angles to each other

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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102. Thermocouple transducer is used for:
     

1. 1. Temperature measurement
      

   
   
   

   2. Velocity and vibration measurement
      

   
   
   

   3. Pressure measurement
      

   
   
   

   4. Gas flow measurement

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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103. If the scale of an instrument is uniform it generally means that the instrument is meant for reading:
     

1. 1. RMS values
      

   
   
   

   2. Average values
      

   
   
   

   3. Peak values
      

   
   
   

   4. Nothing can be said with certainty

   
   
   

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1. View Hint View Answer Discuss in Forum

   If the scale of an instrument is uniform it cannot be say whether the reading will give RMS values; Average values or Peak values.

   Correct Option: D

   If the scale of an instrument is uniform it cannot be say whether the reading will give RMS values; Average values or Peak values.

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104. The thermal emf’s in the bridge measurement:
     

1. 1. Does not affect the measurement
      

   
   
   

   2. Causes a small inaccuracy in the measurement
      

   
   
   

   3. Causes considerable trouble in balancing the bridge
      

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   The thermal emf ’s in the bridge measurement causes considerable trouble in balancing the bridge.

   Correct Option: C

   The thermal emf ’s in the bridge measurement causes considerable trouble in balancing the bridge.

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105. X and Y plates of a CRO are connected to unequal voltages of equal frequency with phase shift of 90°. The Lissajous figure on the screen will be:
     

1. 1. Circle
      

   
   
   

   2. Straight line
      

   
   
   

   3. Ellipse
      

   
   
   

   4. Figure of eight

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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