Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN: 9781305578296
Author: John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher: Cengage Learning
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Textbook Question
Chapter 16, Problem 14RQ
One of the major components of a residential electronic control circuit that measures temperature is a
A. thermometer.
B. thermistor.
C. capacitor.
D. filter.
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Check out a sample textbook solutionStudents have asked these similar questions
What is a Thermocouple:
Select one:
a. A Thermocouple is a temperature
sensor that uses a small length of
platinum wire that is trimmed to have
particular resistance at specific
temperature.
b. A Thermocouple is a temperature
sensor that consists of two wires of
similar metals joined at one end.
C. A Thermocouple is a type of resistor
whose resistance varies with
temperature.
d. A Thermocouple is a temperature
sensor that consists of two conducting
wires of dissimilar metals joined at one
end.
Three different types of thermocouples
generate different voltages when measuring
the samé temperature because:
Select one:
a. They generate the same voltage at the
same temperature.
b. The voltage generated should be
modified because of the use of the
amplifier.
c. They are made of different materials.
d. There are instrument errors.
pneumatic leverage refers to the ability of a pneumatic system to
Chapter 16 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 16 - True or False: Pneumatic controls are...Ch. 16 - Pneumatic controls are operated by A. water. B....Ch. 16 - One advantage of a modern control system is A....Ch. 16 - A control loop contains _______, _______, and...Ch. 16 - Pneumatic air must A. be clean and dry. B. have...Ch. 16 - The air supplied to a diaphragm is 20 psig, and...Ch. 16 - When a large volume of air is needed at a...Ch. 16 - Prob. 8RQCh. 16 - Prob. 9RQCh. 16 - An analog control signal A. has an infinite number...
Ch. 16 - Another term used to describe sensitivity in...Ch. 16 - Prob. 12RQCh. 16 - Prob. 13RQCh. 16 - One of the major components of a residential...Ch. 16 - Prob. 15RQCh. 16 - Describe a control device, and give three examples...Ch. 16 - Describe what a sensor does in a DDC system used...Ch. 16 - What is the difference between an active and a...Ch. 16 - A control system consists of what three basic...Ch. 16 - List six advantages that DDC control systems have...Ch. 16 - Describe the difference between the analog and...Ch. 16 - Describe the difference between an open-loop and a...
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- Which of the following set entirely comprises a measurement system? A. Thermometer, odometer, ultrasonic sensor C. Espresso machine, light sensor, accelerometer B. Dish washer, espresso machine, thermometer D. Calculator, accelerometer, temperature sensorarrow_forwardExplain with a neat block diagram the measurement of temperature using a thermocouple (measuring system).arrow_forward1.During a refrigerant system performance test the following results are recorded: outside ambient temperature of 908F, high-side gauge reading of 145 psi, and low pressure gauge reading of 14 psi. What is indicated by these results? A. Faulty refrigerant compressor B. Normal refrigerant system operation C. Low refrigerant levels D. A restriction on the high side of the refrigerant system 2. A customer complains of poor air-conditioning cooling performance. During a system performance test, the low-side gauge reading is 50 psig; the high-side gauge reading is 310 psig; and the ambient air temperature is 818F (27.228C). What is the least likely cause of the above results? A. Restricted airflow through condenser B. Refrigerant overcharge C. Refrigerant undercharge D. Overcharge of refrigerant oil I NEED BOTH QUESTION TYPED ANSWER PLEASE DETAIL ANSWERarrow_forward
- What is a overdamped system?arrow_forwardMaintenance performed using temperature sensors comes category of maintenance. a. Scheduled maintenance. b. Breakdown maintenance. c. Preventive maintenance. d. Planned maintenance.arrow_forwardIdentify the various elements that might be present in a control system involving a thermostatically controlled electric heater.arrow_forward
- The maximum power is delivered to a circuit when source resistance is load resistance. O a. Less than O b. Greater than or equal to O c. Equal to O d. Greater thanarrow_forwardIn a calorimeter, the space between the outer vessel and an inner vessel acts as a Select one: O a. heat insulator O b. Work conductor O C. Heat absorber O d. heat conductorarrow_forwardWhat does a 1 ton refrigerant represent: a. The weight of the air conditione r b. The amount heat required to cool 1 ton of air in 1 hour c. The amount of heat required to melt 1 ton of ice at 0 degree in 24 hours d. The weight of the refrigerant used.arrow_forward
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