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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