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_forwardIdentify the input and output of the thermistor. a. Voltage and temperature b. Voltage and resistance c. Temperature and voltage d. Temperature and resistancearrow_forwardWhich of the following is not made of semiconductor material? a. Zener diode b. Thermistor c. PM generator d. Hall-effect switch<arrow_forward
- Indicate the functional elements of the following measuring devices shown in Figurearrow_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_forwardExample 35: A full wave rectifier used 220V, with firing angle 10 total resistance load 5 KO, inductance 2.34 H,and frequency 60Hz, Draw and caleulate: (a) Voc and Inc (b) VDCMao (c) V. (d) Veims Example 35: Repeat example 35 and firing angle 30°. Example 37: Repeat example 35 for FWD and firing angle 60°.arrow_forwardInterpret what is in the figurearrow_forward
- What is the difference between mid point and full wave 3 phase rectifier? Name 3 devices that can replace thyristor in the circuit.arrow_forwardIn a fractional distillation experiment, what do you expect would be the result if you had overheated your system and distilled your mixture too quickly ?arrow_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
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