Metrology And Measurements Set 13

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This set of Metrology and Measurements Multiple Choice Questions & Answers (MCQs) focuses on Metrology And Measurements Set 13

Q1 | The Orificemeter has a smooth edge hole.
  • true
  • false
Q2 | A nanometre is connected to a section which is at a distance of about 4 to 6 times the pipe diameter upstream from orifice plate.
  • true
  • false
Q3 | Venturimeter is based on integral form of Euler’s equation.
  • true
  • false
Q4 | Orifice Meter can only be used for measuring rate of flow in open pipe like structure.
  • true
  • false
Q5 | Orifice meter consists of a flat rectangular plate.
  • true
  • false
Q6 | 3 TEMPERATURE: BIMETALLIC STRIP, THERMOCOUPLES
  • strain
  • pressure
  • displacement
  • voltage
Q7 | Which of the following can be used for measuring temperature?
  • metallic diaphragm
  • fluid expansion system
  • capsule
  • bourdon tube
Q8 | IPTS stands for                                  
  • international practical temperature scale
  • indian primary temperature scale
  • international primary temperature scale
  • international practical temperature standard
Q9 | In liquid in steel bulb thermometer, which liquid can be used for measuring temperature up to 60000C?
  • mercury
  • ether
  • water
  • none of the mentioned
Q10 | Which of the following is used as indication instrument in a liquid expansion system?
  • bellows
  • bourdon tube
  • ammeter
  • thermometer
Q11 | Which of the following is true for bimetallic type thermometer?
  • two metals have same temperature coefficients
  • two metals have different temperature coefficient
  • one metal is cooled always
  • none of the mentioned
Q12 | When bimetallic thermometer heated, curling occurs to the side of metal with least temperature coefficients.
  • true
  • false
Q13 | Analogous quantities of heat flow and temperature in electrical are                             and                                
  • potential and current
  • current and potential
  • power and potential
  • current and power
Q14 | Ratio of net amount of heat received and stored in the body for certain time interval is known as                                    
  • temperature
  • thermal coefficient
  • thermal storage capacity
  • none of the mentioned
Q15 | Heat transfer coefficient of a material with length l is                    
  • k/l
  • l/k
  • 1/k
  • kl
Q16 | Resistance temperature detector is
  • a electrical transducer
  • a mechanical transducer
  • a chemical transducer
  • a physical transducer
Q17 | Relation between temperature and resistance of a conductor is                  
  • rt = rref [1+t]
  • rt = rref [1+α∆t]
  • rt = rref [1-αt]
  • rt = rref [1-t]
Q18 | Sensing element in the thermometer must provide                  
  • small change in resistance
  • no change in resistance
  • large change in resistance
  • infinite change in resistance
Q19 | Resistance thermometer provides the change in electrical resistance.
  • true
  • false
Q20 | If the sensing element is large, then less amount of heat is required.
  • true
  • false
Q21 | Most metallic conductors have a                  
  • neutral temperature coefficient of resistance
  • negative temperature coefficient of resistance
  • positive temperature coefficient of resistance
  • zero temperature coefficient of resistance
Q22 | In a temperature sensing element                  
  • low value of α is required
  • infinite value of α is required
  • α must be zero
  • high value of α is required
Q23 | Nickel and its alloys can be used over a temperature range of                  
  • 100 to 450 k
  • 10 to 50 k
  • 0 to 25 k
  • 5 to 15 k
Q24 | How can corrosion be prevented in a resistance thermometer?
  • by immersing the setup in oil
  • by enclosing the elements in a glass tube
  • by using guard rings
  • by painting the elements