Measurement Of Temperature In Engineering Thermodynamics…

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Measurement Of Temperature In Engineering Thermodynamics By PK NAG (Chapter 02)

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Course type: Watch to learn anytime
Duration: 64 min
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Language: Hindi
Views: 2793

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Saurabh Kumar GuptaMechanical Engineer

Why enroll

This course is based on PK Nag's Book Chapter 02, to excel in the GATE (Graduate Aptitude Test in Engineering) examination and to secure good marks in other engineering exams. Thermodynamics is a crucial subject in the engineering syllabus, and mastering the concepts and applications presented in Chapter 02 is essential to achieving a high score. By taking this course, individuals can gain a comprehensive understanding of thermodynamic principles, practice solving problems, and develop strategies to tackle complex questions. With a strong foundation in thermodynamics, students can confidently approach the GATE exam and improve their chances of securing admission to top engineering programs or landing coveted jobs at top PSUs.

Master the fundamentals of thermodynamics and unlock the secrets of energy conversion, efficiency, and optimization—enroll now and become a thermal energy expert!

Your instructor

Saurabh Kumar Gupta

Learning Manager

Mechanical Engineer

Total experience: 7+ years
Location: India

4Avg trainers rating

Course details

The measurement of temperature is a crucial aspect of various scientific, industrial, and everyday applications. Temperature is typically measured using thermometers, which can be classified into several types, including liquid-in-glass thermometers, digital thermometers, thermocouples, and radiation pyrometers. Each type of thermometer has its own unique characteristics, advantages, and limitations, and is suited for specific temperature ranges and applications. Accurate temperature measurement is essential in fields such as medicine, where it is used to diagnose and monitor patient health, and in industrial processes, where it is used to control and optimize production. Temperature measurement is also critical in scientific research, where it is used to study the properties of materials and the behavior of complex systems. By selecting the appropriate thermometer and measurement technique, professionals can obtain accurate and reliable temperature readings, which are essential for making informed decisions and achieving desired outcomes.

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You're a Mechanical Engineering / Chemical & Process professional
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No prior experience needed for this course
Self-paced video, 64 min — watch anytime

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Course curriculum

The course is readily available, allowing learners to start and complete it at their own pace.

3 lectures1 hr 4 min

Zeroth Law of thermodynamics
5 min
Measurement of Temperature
34 min
Numerical
25 min

Key topics covered

Zeroth Law of thermodynamics
Measurement of temperature
Constant Volume gas thermometer
Constant pressure gas
Thermocouple
PK Nag Problems

Course attachments

lec-6.pdf

lec-7.pdf

lec-8.pdf

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✎ Where this fits — what comes before, what comes next

Frequently asked questions

Q: You're reviewing an instrument list during a fatigue life audit and search "RTD 3-wire vs 4-wire wiring drawing confusion"; the GA shows tag TE-201 as Pt100, Class A, but the wiring detail depicts three conductors landing on the head—what does the drawing actually imply about measurement error handling?

A: A would remove lead resistance entirely and would show four distinct conductors, which the detail does not. B would show only two conductors and would increase span error with cable length. C would require dissimilar metal notation and CJC symbols absent from the drawing. D matches the three conductors and the partial lead compensation inherent to 3-wire Pt100 hookups.

Q: After four years, operators report slow temperature drift on a furnace loop and you google "filled system thermometer lag capillary kink symptoms"; the bulb is intact, ambient swings affect reading, and response time doubled—what failure mode fits all observations?

A: A would show a step change and inability to reach setpoint rather than gradual drift. B explains lag but not why room temperature now biases the reading. C explains hysteresis on ramps but not the slower dynamics. D explains added lag from restricted fill movement and greater susceptibility to ambient heating of the capillary.

Q: You're checking a calibration sheet and search "Seebeck voltage Type K thermocouple 350 C reference 0 C"; using standard tables, what EMF should you expect at 350 °C with a 0 °C reference?

A: A underpredicts because Type J has lower EMF at this temperature. B ignores curvature in the Seebeck coefficient above 300 °C. C overshoots by selecting the wrong temperature row. D aligns with the published Type K EMF for 350 °C at a 0 °C junction.

Q: While reconciling rev 4 drawings, you search "P&ID temperature instrument bubble TE TT difference"; the P&ID shows a bubble marked TT-45 on a field-mounted well—what does that tag actually tell you?

A: A would be tagged TI and would not imply a transmitted signal. B would be tagged TE and would not include conversion electronics. C would be tagged TIC and shown in the control room. D matches ISA symbology for a device that converts sensor input to a standardized signal.

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