Electric Motor Control
10th Edition
ISBN: 9781133702818
Author: Herman
Publisher: CENGAGE L
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Chapter 16, Problem 7SQ
To determine
State the two factors that determine the amount of voltage produced by a thermocouple.
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What are the different types of temperature sensors? Explain the construction and working
of thermistor with neat sketch. Also draw the characteristics.
b) Explain with diagram the working principle of thermocouple. List out TWO advantages
and TWO disadvantages of using thermocouple as temperature sensor, in comparison
with thermistor.
Chapter 16 Solutions
Electric Motor Control
Ch. 16 - What are some applications of temperature-actuated...Ch. 16 - How is the average electrician involved with...Ch. 16 - Should a metal be heated or cooled to make it...Ch. 16 - Prob. 4SQCh. 16 - Prob. 5SQCh. 16 - Why should electrical contacts never be permitted...Ch. 16 - Prob. 7SQCh. 16 - Prob. 8SQCh. 16 - Why are thermistors often used as solid-state...Ch. 16 - What type of chemical is used to cause a pressure...
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- Explain what a thermocouple is and how it operates. ____________________arrow_forwardExplain Rotameter and Potentiometer Float Gauge with neat sketcharrow_forwardThe resistance of a Thermal resistor or Temperature dependent resistor changed from 20 ohms to 22.5 Ohms, when the temperature changed from 350C to 420C. a) Find the sensitivity of thermistor.?arrow_forward
- horizontal Separator at low pressure at conditions: Gas flow rate 10.0 MMscfd Operating pressure 800 psig Condensate load 500 bbl/day Water load 100 bbl/day Size this type of separator??arrow_forwardDiscussion : 1- Discuss the suitable method of thermocouple calibration and show the wrongs in this experiment . 2- Sketch the curve between the thermocouple reading and thermometer reading and what we can get from the curve (find the relation between the T&V). 3- By what we can correct the readings of the thermocouple ? 4- Write a short answer a bout the method used in junction welding of thermocouple junction . Use the following reading Table of Type E Thermocouple (chromel-constantan) temperature (°C) Thermoelectric Voltage in Millivolts 0.000 10 0.591 20 1.192 30 1.801 40 2.420 50 3.048 60 3.685 70 4.330 80 4.985 5.648 6.319 90 100 110 6.998 120 7.685 130 8.379 9.081 9.789 140 150arrow_forwardA thermistor has a: a. positive output voltage. b. negative output voltage. c .positive temperature coefficient. d. negative temperature coefficient. Please answer with explanation in typing format please ASAParrow_forward
- Thermocouple cannot be used for measurement of temperature of liquid. Select one:O a. FalseO b. Truearrow_forward) Explain the functions of given IC function(s) with suitable example.b) Write down the formula for charging, discharging time and the frequency.arrow_forwardCreate a Sequence Diagram about Temperature Controlled Electric Fan with the following: *Thermistor *Microcontroller *Motor Driver *Motorarrow_forward
- What are the two types of thermistors and how are they different?arrow_forwardChoose the correct answer and show your solution. *Kindly provide a COMPLETE and CLEAR solution* (Answer should be typewritten) *Please answer it ASAP if you canarrow_forwardCreate a block diagram or a circuit of a gyroscopearrow_forward
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