HVAC Controls Practice Tests ( Sensor)-4
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Question 1 of 10
1. Question
1 points………………………… sensors are used to measure temperature in ducts, piper and tanks.
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Question 2 of 10
2. Question
1 pointsThe resistance of an element ……………….. to the cross sectional area of it.
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Question 3 of 10
3. Question
1 pointsWhich of the sensors does not require external power supply?
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Question 4 of 10
4. Question
1 pointsIn ultrasonic sensors, the fluid flow can be measured as a function of the ……………..
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Question 5 of 10
5. Question
1 pointsWhich of the following is not an electronic sensor?
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Question 6 of 10
6. Question
1 pointsThe temperature which causes moisture in the air to condensate is …………………
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Question 7 of 10
7. Question
1 pointsWhat is the output voltage range of thermocouple temperature sensor?
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Question 8 of 10
8. Question
1 pointsWhat can be measured with bi-metalic strip sensor?
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Question 9 of 10
9. Question
1 pointsWhich of the following sensors uses sound wave to measure the fluid velocity and fluid level?
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Question 10 of 10
10. Question
1 pointsThe temperature –resistance characteristic of thermister is ……………
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