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Temperature Measurement Question & Answers

July 29, 2022 By WatElectronics

This article lists 100 Temperature Measurement MCQs for engineering students. All the Temperature Measurement Questions & Answers given below include a hint and a link wherever possible to the relevant topic. This is helpful for users who are preparing for their exams, or interviews, or professionals who would like to brush up on the fundamentals of Temperature Measurement.

Temperature is measured in terms of three scales Celsius, Kelvin, and Fahrenheit, and describes the process of measuring a current local temperature for immediate or later evaluation. Qualitative analysis of temperature with hot, cold, and warm.

Scales commonly used are the Fahrenheit scale which is measured in terms of Degree F, the Celsius scale which is measured in terms of Degree C, Kelvin scale which is measured in terms of Degree K. Three main conversions of temperature also take place in between three scales.

Some other instruments used for measuring the temperature of a substance or body is Thermocouples, Infrared thermometers, thermistors, resistance temperature detector, pyrometer, and Langmuir probes which measure the electron temperature of the substance.

The thermocouple is simple to construct, it is more durable as no need for a bridge circuit, and its accuracy is high with good response. RTD produces stable output with linear accuracy, precision, a wide range available, and easy installation and updating do in it.

A thermistor is very quickly operated with low cost and high sensitivity and responsiveness to altering in temperature and is compatible with all devices.

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1). Temperature is measured with a device called _____?

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2). Temperature is measured using ____ units?

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3)._____ formula is used to convert from one unit to another unit?

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4)._____ defines the measure of hot and cold differences?

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5). Temperature is an average measure of ____ energy for particles of matter?

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6). More kinetic energy, the higher the _____ of an object?

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7). ____ acts as a working fluid in a glass thermometer?

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8). As temperature increases, the ____ of fluid also increases?

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9). _____ is an instrument used for the measurement of temperature?

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10). _____ is used for measuring the electron temperature of a plasma?

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11). RTD Stands for______?

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Read more about Temperature Sensor

12) SI unit of temperature is _____?

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13). According to the Kelvin scale, the frozen point of water is _____?

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14). According to the Kelvin scale, the steaming point of water is _____?

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15). According to the Fahrenheit scale, the frozen point of water is ___?

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16). According to the Fahrenheit scale, the steaming point of water is____?

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17). According to the Celsius scale, the frozen point of water is ___?

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18). According to the Celsius scale, the steaming point of water is ___?

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19). Conversion of temperature from celsius to kelvin is, K=____?

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20). Conversion of temperature from Kelvin to celsius is, C=____?

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21). Heat from the measuring instrument can cause a temperature ____?

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22). Measurement of _____ temperature normalizes the humidity effect?

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23). Heat depends on the ____ of atoms and molecules?

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24). Heat energy flows from one body to another body due to the ___ in temperature?

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25). The first invention to measure the temperature was by ___?

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Temperature Measurement MCQs for Interviews

26). Thermometer was ineffective because water ___ at a low temperature?

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27). A mercury thermometer consists of a long, narrow, and uniform glass tube called the ___?

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28). The scales on which temperature is measured are ___ on the stem?

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29). A capillary tube is there inside the glass stem in which mercury gets ____?

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30). Mercury is toxic and it is difficult to dispose of it when using the thermometer ____?

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31). _____thermometers have come into play which don’t contain mercury?

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32). The two commonly used thermometers are Clinical thermometers and also_____thermometers?

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33). Clinical thermometers are used in homes, clinics, and _____?

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34). The Fahrenheit scale is more ____than the Celsius scale?

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35). Laboratory thermometers can be used to notice the temperature in ___ labs?

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36). Laboratory thermometer used in industries to measure the temperature of solutions or _____?

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37). The stem, as well as the bulb of the laboratory thermometer, is ____ when compared to the clinical thermometer?

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38). Mercury has a constant coefficient of_____?

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39). ____ strip thermometers change color to show the temperature?

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40). The temperature is measured by passing a small ___ current thru the device?

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41). Heat is directly related to the _____?

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42). As long as temperature increases, the fluid also ____?

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43). Galileo invented the rudimentary ___ thermometer in 1593?

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44). In 1974, Gabriel Fahrenheit invented the ___ thermometer?

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45). Clinical thermometers contain ___ which prevents mercury to go back when it is taken out of the patient’s mouth?

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46). How many scales of temperature exist on either side of the mercury thread?

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47). Absence of kink in ____ thermometers?

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48). Laboratory thermometers hold values in ____ scales?

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49). Clinical thermometers hold values in ____ scales?

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50). Mercury is clearly ____?

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Temperature Measurement MCQs for Exams

51). Mercury is very ____ in availability?

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52). Temperature measurement is _____ due to the presence of mercury?

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53). Glass thermometers have a ____ that narrows at a particular point?

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54). Major drawback of the glass thermometer is that has ____ pressure capacity?

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55). A ____ is a closed metal tube that holds fluid and a thermometer within it?

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56). The amount of immersion in the fluid will have a ___ effect on the accuracy?

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57). Bimetal thermometer was less accurate, but more ____ measuring device than the glass thermometer?

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58). The bimetal sensing element consists of a metal element shaped like a ___spring?

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59). The motion of the spring-shaped material moves the ____?

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60). After the development of the thermometer, the temperature ___ come into existence?

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61).____ is used to describe the voltage-creating devices in the thermopile classification?

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62). Amount of resistance change is defined by ∆R=____?

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63). The RTD was developed after the ____to obtain greater accuracy?

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64). RTD operates based on changes of resistance of pure ___?

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65). The _____RTD is the standard for high-accuracy measurement elements?

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66). RTD devices are much more ___ and accurate than thermocouples?

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67). Resistance Temperature Detector responds very ___?

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68). Resistance Temperature Detector cost is ___ in development?

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69). The _____is a device that changes its electrical resistance with temperature?

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70). Small change in temperature leads to a change in resistance because of ___ material?

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71). As temperature increases in the thermistor, then the resistance value ___?

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72).Thermistors are ______ in response?

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73). Thermistors have ___ resistor elements.

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74). Big advantage of thermistors is the small ____?

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75). Thermistor is a low ___of the devices?

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Temperature Measurement MCQs for Interviews

76). Undesirable effect called _____ exists in thermistors and must be taken care of?

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77). If the current flow is too high, the resistor will dissipate energy in the form of ____?

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78). The total heat dissipated by the thermistor in the circuit should be less in ___?

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79). The total heat dissipated by the thermistor in the circuit should be high in ___?

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80). Thermistors are available in a variety of _____?

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81). ____ are thermistors that are encapsulated in long tubes of material, typically stainless steel?

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82). Limitations of ____ dissipations exist in thermistors?

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83). If the _____ is too high, the probe will start dissipating heat?

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84). The purity of the metal is a factor in how accurate the ____is?

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Read more about Transducer
85). The thermopile is a group of thermocouples connected in ____?

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86). The thermocouple is an extremely ____device?

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87). Thermocouples today are made from two pieces of dissimilar ___, welded together in a bead?

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88). The ___ produced by the thermocouple is always small?

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89). Due to the millivolts range, the thermocouple range is ____?

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90). The temperature is _____to a voltage by the thermocouple?

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91). ____ device is essentially a temperature variable resistance device?

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92). The non-contact temperature sensor category includes a wide variety of primarily ___ devices?

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93). The accuracy of a thermometer is greatly dependent on the ___process?

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94). Pure metal devices are highly accurate and ___ over long periods?

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95). Temperature differences produce electrical potential which is called ___?

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96). Drawbacks of RTD are low ____?

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97). Thermocouple is not ____ as RTD?

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98). Drawback of RTD is ___ circuit is needed with power supply?

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99). Thermistor is susceptible to ___ errors?

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100). Thermocouple is not easily broken due to good ___?

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