Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN: 9781305578296
Author: John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 11, Problem 9RQ
To determine
Whether the statement "A pressure gauge can be checked by connecting it to a cylinder of refrigerant with a known temperature and comparing the pressure reading with that on a temperature/pressure relationship chart" is true or false.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Choose True or False
An hydrogen vapour container is mounted with a pressure gauge which shows 10 bar. Then its absolute pressure is _______bar
Pressure in bar
An hydrogen vapour container is mounted with a pressure gauge which shows 80 bar. Then its absolute pressure is _______bar
Chapter 11 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 11 - What does "calibrating an instrument" mean?Ch. 11 - Three reference points that may be used to check...Ch. 11 - Prob. 3RQCh. 11 - Temperature-measuring instruments may be designed...Ch. 11 - Glass stem thermometers are being replaced by...Ch. 11 - True or False: To check the temperature leads of...Ch. 11 - Accuracy of a thermometer is more important in the...Ch. 11 - Prob. 8RQCh. 11 - Prob. 9RQCh. 11 - What should a gauge manifold reading indicate when...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- The pressure measured with the help of a pressure gauge is called atmospheric pressure. Select one: True Falsearrow_forwardBefore installing a gauge on the high-pressure side of a system, you should do which of the following? A. Turn on the system. B. Turn off the system. C. Adjust the system to a neutral position. D. Have a cylinder approved by the DOT nearby.arrow_forwardTesting oil pressure sensors usually involves substituting the specified in place of the sensor and observing the reaction of the oil pressure gauge. Select one: a. Pressure b. Voltage c. Resistance d. None of the abovearrow_forward
- A(n) is used to diagnose gauge problems by substituting precise resistances in the gauge circuit and comparing the gauge reading to the specifications. Select one: a. Additive substitution box b. Resistance substitution box c. Gauge reading box d. Oil pressure sensorarrow_forward2.A. You can usually check for a leak in a vacuum system by looking at or feelingA. at the exhaust of the vacuum pump.B. at the vacuum gauge at the vacuum pump.C. for signs of dirt on the piping. 2.B. When you measure the voltage drop across a set of contacts, you'reA. checking the quality of the contact set.B. sensing how much current is flowing in the circuit.C. measuring the equivalent motor resistance. 2.C. A chain-drive system can be aligned easier than a belt-drive system since the chain-drive systemA. can have a string left on the sprockets after the alignment is complete.B. can have the chain removed while the final alignment is taking place.C. is less critical to misalignment.arrow_forwardplease answer it correctly Otherwise skip it.arrow_forward
- 1.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_forwardThe following transducer is used to measure the temperature. a. Bourdon tube b. Bellows c. Thermocouple d. Strain Gaugearrow_forwardThe pressure measured with the help of a pressure gauge is called absolute pressure. Select one: True Falsearrow_forward
- Why should gauges be installed only after there is evidence that they are needed?arrow_forwardFor every pound of pressure put on engine coolant, the boiling point of the coolant is raised about. 2°F(1.1°C) 3°F(1.6°C) 4°F (2.2°C) 5°F(2.7°C)arrow_forwardWhat is the measure of absolute pressure due to the weight of air molecules above a certain height relative to sea level? Relative Pressure Atmospheric Pressure Hydro static Pressure Magnitude Pressure Question 2 What is the most common type of air pressure gauge? Oil Pressure Gauge Water Pressure Gauge Tire Air Pressure Gauge Digital Pressure Gaugearrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Refrigeration and Air Conditioning Technology (Mi...Mechanical EngineeringISBN:9781305578296Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill JohnsonPublisher:Cengage LearningAutomotive Technology: A Systems Approach (MindTa...Mechanical EngineeringISBN:9781133612315Author:Jack Erjavec, Rob ThompsonPublisher:Cengage Learning
Refrigeration and Air Conditioning Technology (Mi...
Mechanical Engineering
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:Cengage Learning
Automotive Technology: A Systems Approach (MindTa...
Mechanical Engineering
ISBN:9781133612315
Author:Jack Erjavec, Rob Thompson
Publisher:Cengage Learning
8.01x - Lect 27 - Fluid Mechanics, Hydrostatics, Pascal's Principle, Atmosph. Pressure; Author: Lectures by Walter Lewin. They will make you ♥ Physics.;https://www.youtube.com/watch?v=O_HQklhIlwQ;License: Standard YouTube License, CC-BY
Dynamics of Fluid Flow - Introduction; Author: Tutorials Point (India) Ltd.;https://www.youtube.com/watch?v=djx9jlkYAt4;License: Standard Youtube License