Potentiometer Study guides, Class notes & Summaries

HVAC CONTRACTOR EXAM 1. An instrument that measures potential differences between 2 points in an electrical circuit is called? A. potentiometer B. thermistor C. ohmeter D. voltmeter: voltmeter 2. This device uses a thermal sensing bulb at the outlet of the evaporator to sense temperature and control superheat

HVAC CONTRACTOR EXAM QUESTIONS AND ANSWERS ALREADY PASSED An instrument that measures potential differences between 2 points in an electrical circuit is called? A. potentiometer B. thermistor C. ohmeter D. voltmeter voltmeter This device uses a thermal sensing bulb at the outlet of the evaporator to sense temperature and control superheat A. automatic expansion valve B. thermostatic expansion valve C. low side float D. schraeder valve thermostatic expansion valve when...

An instrument that measures potential differences between 2 points in an electrical circuit is called? A. potentiometer B. thermistor C. ohmeter D. voltmeter - Answer-voltmeter This device uses a thermal sensing bulb at the outlet of the evaporator to sense temperature and control superheat A. automatic expansion valve B. thermostatic expansion valve C. low side float D. schraeder valve - Answer-thermostatic expansion valve when installing a reversing valve on a heat pump, how many br...

Name Clas Dat : s: e: Chapter 3 Common Components for Computerized Engine Control Systems 1. What type of sensor is a throttle position sensor? a. c. ANSWER: POINTS: Potentiometer Piezoelectric diaphragm b. NTC thermistor d. Piezoresistive diaphragm 2. What voltage will be produced by a zirconium dioxide O2 sensor when the air-fuel ratio is on the rich side of stoichiometric? ANSWER: POINTS: d 1 b 1 c 1 a. 0 mV c. 450 mV b. 100 mV to 450 mV d. 450 mV to 900 mV 3. What scale ...

After installing a new battery how long should you wait to allow for pcm time - no need to wait As blower motor speed decreases the voltage drop across the resistance block.... - increases What should you do first when replacing junction block or fuse? - Unlock the battery ground cable The polarity of the voltage applied to the electromagnetic coils of an actual working DC motor is.... - a commutator When performing a volt drop test the volt meter setting should be set to the following.. - ...

An instrument that measures potential differences between 2 points in an electrical circuit is called? A. potentiometer B. thermistor C. ohmeter D. voltmeter - Answer- voltmeter This device uses a thermal sensing bulb at the outlet of the evaporator to sense temperature and control superheat A. automatic expansion valve B. thermostatic expansion valve C. low side float D. schraeder valve - Answer- thermostatic expansion valve when installing a reversing valve on a heat pump, ho...

Power Engineering - 4A Electrotechnology Practice Questions with Certified Answers An ampere is the _______________ of current flow. a. measurement b. cause of increase c. cause of reduction d. cause e. resistance a. measurement An electrical device which is designed to start and stop current flow is the a. circuit breaker b. fuse c. potentiometer d. resistor e. switch e. switch Equivalent resistance is decreased: a. when voltage is decreased b. when a circui...

An instrument that measures potential differences between 2 points in an electrical circuit is called? A. potentiometer B. thermistor C. ohmeter D. voltmeter - Answer-voltmeter This device uses a thermal sensing bulb at the outlet of the evaporator to sense temperature and control superheat A. automatic expansion valve B. thermostatic expansion valve C. low side float D. schraeder valve - Answer-thermostatic expansion valve when installing a reversing valve on a heat pump, how many br...

If your patient has a fenestrated canal you would have to do which of the following when taking ear impressions: a. Use large or multiple otoblocks b. use normal type of otoblock c. use normal type of otoblock, but with the X-type of string d. none of the above - a. Use large or multiple otoblocks If your patient is using a device on their hearing aid to exclude room conversation but is able to hear on the telephone the hearing aid would have an: a. MPO switch b. MBO switch c. MTO swit...

mega or "M" stands for how many - ANSWER-100000 or move decimal 6 places to right kilo or (k) stands for how many - ANSWER-1000 or move decimal 3 places to the right milli (m) stands for how many - ANSWER-.001 or move decimal three spaces to the left micro (u) stands for how many - ANSWER-.000001 or move decimal 6 spaces to the left ohms law E I R stand for what - ANSWER-voltage amps and resistance ohms law to determine amps.... - ANSWER-divide volts by resistance ohms law to...