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1. What instrument is used to measure altitudes in aircrafts?
  A.  Altimeter
  B.  Colorimeter
  C.  Barometer
  D.  Pyrometer
     
   
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2. Odometer is used to measure:
  A.  Angles
  B.  Frequency of electromagnetic waves
  C.  Distance travelled by a vehicle
  D.  Speed of a vehicle
     
   
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3. Barometer is used to measure:
  A.  Frequency of electromagnetic waves
  B.  Intensity of sound
  C.  Atmospheric Humidity
  D.  Atmospheric pressure
     
   
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4. Ammeter is used to measure:
  A.  Electric potential difference
  B.  Strength of electric current
  C.  Resistance of electric current
  D.  Diameter of small wires
     
   
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5. Radar is used to detect:
  A.  Direction and range of an aeroplane
  B.  Altitudes and angles in navigation
  C.  Objects above sea level
  D.  Distant objects in space
     
   
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6. Dyanamo is used to:
  A.  Measure electrical power
  B.  Measure Maganetic flux
  C.  Convert mechanical energy into electrical energy
  D.  Change in volume of substances
     
   
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7. Electroencephalogrameg (EEC) is used to:
  A.  Trace movements of the heart
  B.  Convert sound waves into electrical vibrations
  C.  To measure magnetic flux
  D.  To measure and record electrical activity of brain
     
   
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8. Which instrument is used to measure density of Milk to determine its purity?
  A.  Machmeter
  B.  Lactometer
  C.  Fluxmeter
  D.  Tonometer
     
   
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9. Which instrument is used to measure intensity of sound?
  A.  Audiometer
  B.  Anemometer
  C.  Audiophone
  D.  Microphone
     
   
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10. Hydrometer is used to measure:
  A.  Heat radiation
  B.  Depth of ocean
  C.  Density of liquids
  D.  level of humidity
     
   
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