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Resistance Temperature Detector Question & Answers

October 31, 2022 By WatElectronics

This article lists 75 Resistance Temperature Detector MCQs for engineering students. All the Resistance Temperature Detector 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, interviews, or professionals who would like to brush up on the fundamentals of Resistance Temperature Detector.   

The resistance thermometers are also known as resistance temperature detectors or their short form is RTD. The resistance temperature detectors are the resistance transducers that measure the change in temperature by measuring the change in resistance.  

The resistance temperature detectors are majorly used for the measurements of temperature changes in the metals. The RTDs are generally more accurate and often have great stability over time than thermocouples and other temperature probes when monitoring with recommended ranges. 

In practice, an external monitoring device such as a data logger will be used to apply a constant current to the resistance temperature detector. The resistance of the resistance temperature detectors can be calculated and correlated to a temperature rating with extreme accuracy based on the metal's resistive properties at certain temperatures. 

The RTD comes in two-wire, three-wire, and four-wire configurations. The two-wire RTD doesn’t account for four lead wire resistance but results in a marginal increase in the potential for error. The RTD can also come with a variety of different resistor elements which will affect resistance sensitivity, temperature range, and more. Platinum, copper, gold, silver, and iron is common RTD metals. 

1). Which one of the following RTD material is rarely used?

Hint
2). What are the advantages of resistance temperature detector?

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3). The condenser microphone is an example of _________________ transducer?

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4). What is the standard form of RTD?

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5). The temperature transducers are categorized into _________________ types?

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Read more about Transducers
6). The photo multiplier tube is an example of __________________ transducer?

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7). Which one of the following RTD material typical resistance at zero degree centigrade is 100 ohms?

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8). Which one of the following is the signal characteristics of RTD?

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9). Which one of the following temperatures measurement devices is least accurate?

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10). The temperature range of resistance temperature detector is _______________?

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11). Which one of the following temperature measurement devices is less drift than thermocouple?

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12). The figure shown below is a block diagram of _________________?

RTD Block Diagram

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13). The RTD type copper element metal temperature range is __________________?

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14). Which one of the following RTD material is better for low temperature?

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15). What are the disadvantages of resistance temperature detector?

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16). The thermocouple is an example of _________________ transducer?

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17). What is the standard form of NTC?

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18). The RTD type platinum element metal base resistance at zero degree centigrade is _______________?

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19). The temperature range of thermocouple is _______________?

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20). Which one of the following RTD material is mostly is used material?

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21). Which one of the following RTD material typical resistance at zero degree centigrade is 200.64 ohms?

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22). Which one of the following is the signal characteristics of thermocouple?

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23). The RTD type platinum element metal temperature range is __________________?

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24). The sensor and system cost are moderate in ________?

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25). What are the advantages of RTD sensor?

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Resistance Temperature Detector MCQ for Exams

26). The long-term stability is high in ___________________?

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27). The long-term stability is medium in ___________________?

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28). The sensor dimensions are small to medium in __________________?

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29). The temperature range of thermistor is _______________?

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30). Which one of the following RTD material has high precision?

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31). Which one of the following RTD material typical resistance at zero degree centigrade is 12.897 ohms?

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32). Which one of the following is the signal characteristics of thermistor?

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33). The RTD type nickel element metal temperature range is __________________?

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34). The accuracy of the thermocouples _________________ degree centigrade?

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35). The temperature range of platinum RTD 100-ohm wire wound and thin film is __________________?

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36). Which one of the following sensor types is specify for general purpose sensing highest accuracy?

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37). The thermal response is slow in _____________________ temperature sensing technique?

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38). The long-term stability is low in ___________________?

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39). What are the disadvantages of RTD sensor?

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40). Which one of the following temperature measurement devices is highly subject to drift?

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41). The RTD type copper element metal base resistance at zero degree centigrade is _______________?

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42). The temperature limit of copper RTD type material is __________________?

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43). The sensor dimensions are medium to large in __________________?

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44). The accuracy of the RTD is _________________ degree centigrade?

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45). The accuracy is high in _______________ RTD wire wound?

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46). In which one of the following RTD type, the self-heating is very low to low?

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47). The temperature range of nickel RTD 1000-ohm wire wound is __________________?

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48). The interchangeability is excellent in ___________________ RTD type?

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49). The temperature range of platinum RTD 1000-ohm thin film is __________________?

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50). The RTD type nickel element metal base resistance at zero degree centigrade is _______________?

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Resistance Temperature Detector MCQ for Students

51). The temperature limit of nickel RTD type material is __________________?

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52). The accuracy of the diode sensor is _________________ degree centigrade?

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53). The lead effect is medium in _____________________ wire wound?

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54). The point (end) sensitivity is poor in _________________ RTD wire wound?

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55). Which one of the following sensor types is specify for highest temperatures?

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56). The temperature range of molybdenum is _______________?

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57). The range of pt100, pt1000 is ___________________ degree centigrade?

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58). The pyrometer is an example which comes under _________________ sensor?

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59). The resistance temperature detector sensors come under ______________ categories?

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60). The long-term stability and linearity are good in _______________?

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Resistance Temperature Detector MCQ for Quiz

61). The temperature sensors are categorized into _________________ types?

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62). The bimetallic thermometers come under __________________ sensor?

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63). The figure shown below is a structure of _____________________ temperature Sensenig technique?

RTD Schematic Structure

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64). The range of pt200, pt500 is ___________________ degree centigrade?

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65). The physical size/packaging is large in __________________ RTD wire wound?

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66). The resistance temperature detector comes under __________________ sensor?

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67). The range of Cu10, Cu100 is ___________________ degree centigrade?

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68). The lead effect is medium in _____________________ wire wound?

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69). The temperature range of Balco RTD 2000-ohm wire wound is __________________?

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70). What is the standard form of PRTD?

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71). The temperature limit of platinum RTD type material is __________________?

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72). The sensor dimensions are very small in __________________?

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73). The thermal response is fast in _____________________ temperature sensing technique?

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74). The accuracy of the thermistor is _________________ degree centigrade?

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75). The range of Ni120 is ___________________ degree centigrade?

Hint
For More MCQs
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