ME8501- Metrology and Measurments - Unit-5 Two marks

Subject Name: Metrology and Measurments

Subject Code: ME8501

B.E. Mechanical Engineering - semester 05

Anna University Regulation 2017 Mechanical 5th sem ME8501(Metrology and Measurments) 2 marks for 5th unit is provided below. ME8501 all units 2 marks, Metrology and Measurments all units notes , syllabus are listed down for students to utilize it for scoring maximum marks with our study materials.

1.Define force.

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2.What are the load cells?

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3.What is the function of load cell?

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4.State any two principles of force measurment.

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5.List of the devices used to measure the force.

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6.Differentiate between primary and secondary transducers.

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7.Give the basic principle of equal arm balance.

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8.Give the basic principle for elastic force meter (proving ring).

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9.Differentiate between force and torque.

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10.List any two methods employed for measuring torque.

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11.Name the instruments used for measurement of torque.

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12.Give the basic principle of mechanical torsion meter.

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13.What is the purpose of strain gauge?

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14.Classify the types of strain gauges.

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15.Mention the need for using strain gauge in wheatstone network circuits.

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16.Outline the advantages to be gained by the use of electrical resistance strain gauge factor device in both static and dynamic condition.

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17.Mention a few materials used in binding of strain gauges.

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18.What is meant by pressure?

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19.List out the instruments used to measure pressure.

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20.Name any four elements that can be used in elastic pressure transducer.

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21.What is a kentometer?

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22.Give the principle of bulk modulus or electrical resistance pressure gauge.

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23.What are the instruments used to measure linear velocity?

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24.Mention some instruments that measure angular velocity.

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25.Mention the types of dynamometers.

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26.Differentiate between quantity meter and flow meter.

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27.Mention the uses of rotameter, hotwire anemometer.

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28.Mention the types of electrical strain gauges.

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29.Mention some instruments used to measure negative pressures.

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30.Discuss the principle of operation of magnetic flow meter.

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31.Give the principle of hot wire anemometer.

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32.Outline the advantages of venturimeter.

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33.How is the flow measured using ultrasonic flow meter?

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34.Why is coefficient of discharge introduced in flow meters?

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35.State the principle of operation of displacement type flow meters.

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36.Give any two applications of an ultrasonic flow meter.

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37.Name any four inferential types off flow meters.

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38.Name a flow meter that is independent of density.

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39.What are the unique features of laser anemometers?

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40.Give the classification of temperature measuring instruments.

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41.List the instruments used for measuring temperature.

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42.What are the physical characteristics of temperature measuring sensor?

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43.What is the use of thermometer and pyrometer?

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44.What is the working principle of bimetallic thermometer?

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45.What is the principle involved in fluid expansion thermometer?

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46.What is thermistor?

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47.What are the diferent types of bimetallic sensors?

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48.Give some bimetallic strip metals?

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49.What are the different types of thermistor?

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50.What are the laws of thermocouples?

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51.What are the different types of thermocouple materials?

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52.Give the composition and useful temperature range of any one commercial thermocouple.

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53.What is thermopile?

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54.What are the types of pyrometers?

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55.Define the principles of electrical resistance thermistor.

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56.What are the metals used in thermistor?

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57.What are the liquids used in a fluid expansion thermometer?

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58.Give the basic principle of hydraulic load cell.

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59.What is the general rule used for accelerometers to provide satisfactory performance?

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60.Define torque.

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61.What is the purpose of torque measurement?

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62.Name the basic principle of strain gauge load cell.

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63.What are the differences between orifice and venturimeter

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64.Differentiate between quantity meter and flow meter.

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65.Write the working principle of hot wire anemometer.

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66.Name the two types of hot wire anemometer.

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