Online Quiz On Strain Rosettes @bcme Subject

20 Questions

SettingsSettingsSettings
Please wait...
Online Quiz On Strain Rosettes @bcme Subject


Questions and Answers
  • 1. 
    Resistance strain gauges, commercially available from the early
    • A. 

      1940

    • B. 

      1840

    • C. 

      1740  

    • D. 

      1540

  • 2. 
    •Strain can also be measured by sensing change in electrical resistance.  
    • A. 

      True

    • B. 

      False

  • 3. 
    .………is a device which is used to measure strain (deformation) on an object subjected to forces.
    • A. 

       strain gauge  

    • B. 

       Pressure gauge

    • C. 

      Pnumatic gauge    

    • D. 

       hydraulic

  • 4. 
    The most commonly used strain gauge is an electrical resistance strain gauge.
    • A. 

      True

    • B. 

      False

  • 5. 
    ……… is an electrical circuit used to measure an unknown electrical resistance by balancing two legs of a bridge circuit, one leg of which includes the unknown component.
    • A. 

      •Unbalanced bridge  

    • B. 

       Wheatstone bridge

    • C. 

      Both A&B  

    • D. 

      None

  • 6. 
    •The Wheatstone bridge was invented by Samuel Hunter Christie (sometimes spelled "Christy") in 1833 and improved and popularized by Sir Charles Wheatstone in 1843.
    • A. 

      True

    • B. 

      False

  • 7. 
    One of the Wheatstone bridge's initial uses was for …………….and comparison.
    • A. 

      Air Analysis

    • B. 

      Temperature analysis ​​​​​​​

    • C. 

      Sand analysis  

    • D. 

      Soil analysis

  • 8. 
    Strain gauge measurement involves __________
    • A. 

      Wheatstone bridge

    • B. 

      Kelvin bridge

    • C. 

       De Sauty’s bridge  

    • D. 

          Anderson bridge

  • 9. 
    • Load cell is used for the measurement of _______
    • A. 

       area

    • B. 

      Force

    • C. 

      Mass

    • D. 

      • length

  • 10. 
    Strain is a _______
    • A. 

      Fractional change in volume

    • B. 

      Fractional change in area

    • C. 

      Fractional change in length  

    • D. 

       fractional change in height

  • 11. 
    •Semiconductor strain gauge uses _______
    • A. 

       rectifier circuitry

    • B. 

       power electronics circuitry

    • C. 

      Ordinary bridge circuit

    • D. 

      Bridge circuit with temperature compensation

  • 12. 
    •Metals in strain gauge construction have _______
    • A. 

      •non-linear temperature coefficient

    • B. 

      • linear temperature coefficient

    • C. 

      Tangential temperature coefficient

    • D. 

       exponential temperature coefficient

  • 13. 
    A Wheatstone bridge has__
    • A. 

      Low sensitivity

    • B. 

       zero sensitivity

    • C. 

       high sensitivity

    • D. 

      Infinite sensitivity

  • 14. 
    Load cell is sensitive to minute strains.
    • A. 

      True

    • B. 

      False

  • 15. 
     Mass of only about 20 kg can be measured by a load cell.
    • A. 

      True

    • B. 

      False

  • 16. 
    •Which angle of subtension can be observed by the reflected light beam during the rotational movement of mirror under the application of stress in optical gauges?  
    • A. 

      Equal to an angle of incident light  

    • B. 

       Twice to an angle of incident light

    • C. 

      One-half to an angle of incident light

    • D. 

       One-third to an angle of incident light

  • 17. 
    •Which phenomenon results in producing the difference in resistance due to incapability to regain its original physical form before an application of stress to the gauge element?
    • A. 

      Hysteresis Effect

    • B. 

      Barkheussan Effect

    • C. 

      Differentiative Effect

    • D. 

       Integrative Effect

  • 18. 
    What kind of electrical displacement transducers are used to measure an angular displacement ?
    • A. 

       Variable Resistive Transducers

    • B. 

       Variable Capacitive Transducers

    • C. 

       Variable Inductive Transducers

    • D. 

      Synchros and Resolver Transducer

  • 19. 
    •How does it become possible to reduce the interference level generated corresponding to the stray magnetic fields in LVDT?  
    • A. 

      By Shielding  

    • B. 

       By Grounding  

    • C. 

       Both a & b

    • D. 

      None of the above

  • 20. 
     Which bridge is utilized in signal conditioning circuits for balancing purpose?
    • A. 

       Maxwell Bridge

    • B. 

       Wheatstone Bridge

    • C. 

      Wein Bridge

    • D. 

       Kelvin Bridge

Back to Top Back to top