Automotive hvac Study guides, Class notes & Summaries
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![ASE Exam Review 2023 with Complete Solutions](/docpics/3667904/6533ea580c9c4_3667904_121_171.jpeg)
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ASE Exam Review 2023 with Complete Solutions
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which battery rating is tested at 0 deg F (-18 C)? - ANSWER-cold-cranking amperes (CCA) 
 
battery electrolyte is a mixture of water and ________. - ANSWER-sulfuric acid 
 
each automotive battery cell has an electrical potential of how many volts? - ANSWER-2.1 V 
 
the largest percentage of automotive battery electrolyte is ____________. - ANSWER-sulfuric acid 
 
many GM vehicles use a group 78 size battery. true or false? - ANSWER-true 
 
like charges _________. - ANSWER-repel 
 
which unit of...
![Chapter 9 Career Planning and Development 2023/2024 already passed](/docpics/3908497/656386c01a12b_3908497_121_171.jpeg)
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Chapter 9 Career Planning and Development 2023/2024 already passed
- Exam (elaborations) • 3 pages • 2023
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Chapter 9 Career Planning and DevelopmentOccupation - correct answer A task or series of tasks that is performed to provide a good service. People are hired to fill occupations, and they are paid for the work they perform. 
 
Career - correct answer A goal for work that is fulfilled through an occupation or series of occupations. 
 
Career Planning - correct answer The process of studying careers, assessing yourself in terms of careers, and making decisions about a future career. 
 
Career Plann...
![ASCS Exam fully solved & updated](/docpics/5538757/665f95ebc4986_5538757_121_171.jpeg)
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ASCS Exam fully solved & updated
- Exam (elaborations) • 24 pages • 2024
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Having a regular HVAC filter replacement plan can help: 
A. Protect the system components 
B. Double the system's airflow 
C. Humidify the airflow 
D. Sanitize the system components - ANSWER-A. Protect the system components 
 
According to ACR, the NADCA Standard, properly performed HVAC system cleaning services should: 
A. Eliminate all contamination 
B. Restore the internal insulation to an "as new" condition 
C. Restore the evaporator coil to its original pressure drop 
D. Render the syste...
![ASCS Exam with 100% correct answers 2024.](/docpics/5538753/665f95e9124ba_5538753_121_171.jpeg)
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ASCS Exam with 100% correct answers 2024.
- Exam (elaborations) • 25 pages • 2024
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Having a regular HVAC filter replacement plan can help: 
A. Protect the system components 
B. Double the system's airflow 
C. Humidify the airflow 
D. Sanitize the system components - ANSWER-A. Protect the system components 
 
According to ACR, the NADCA Standard, properly performed HVAC system cleaning services should: 
A. Eliminate all contamination 
B. Restore the internal insulation to an "as new" condition 
C. Restore the evaporator coil to its original pressure drop 
D. Render the syste...
![Auto Final Exam Questions and Answers 100% Pass](/docpics/63e380c8aaabc_2349025.jpg)
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Auto Final Exam Questions and Answers 100% Pass
- Exam (elaborations) • 14 pages • 2023
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Auto Final Exam Questions and Answers 100% Pass which part is the cylinder head bolted to? the block What is the ratio of coolant to water in a typical automotive cooling system? 50:50 Which material are new model cylinder heads made from? aluminum Who issues technical service bulletins? manufacturers 
If blue smoke is seen at the tailpipe when an engine is started, which part(s) is/are most likely worn out? valve stem seals 
Technician A says a water pump controls the flow of coolant through an...
![Automotive HVAC Final study set 100% ACCURATE!](/docpics/5439092/6652d50d955ba_5439092_121_171.jpeg)
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Automotive HVAC Final study set 100% ACCURATE!
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Which unit contains a desiccant to remove moisture from the system? -ANSWER Receiver dryer and Accumulator 
 
In a piston type compressor, the pistons are driven by what? -ANSWER Swash plate, Crankshaft or Wobble plate (All of the Above) 
 
The basic design of compressors include what? -ANSWER Piston, Vane and Scroll 
 
The Wobble plate is moved to the high angle position for max output when the cooling load is high (True or False) -ANSWER True 
 
The wobble plate angle is controlled by the pres...
![RCDD Practice Test Latest Questions With Complete Solutions.](/docpics/4676658/65e812d8598e6_4676658_121_171.jpeg)
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RCDD Practice Test Latest Questions With Complete Solutions.
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RCDD Practice Test Latest Questions With Complete Solutions. 
 
C 
If the input signal power to a communication system is 1 W and the output power is 1 mW, the system attenuation is: 
A. 3 dB 
B. 20 dB 
C. 30 dB 
D. 40 dB 
E. 1000 dB 
B 
The signal at the input to a balanced twisted pair cable is 10 mW. The cable is 1000 feet long and has an attenuation of 1 dB per 100 feet. This cable is connected to the input of a receiver. The noise level at the input to the receiver is 1 microwatt. What is t...
![Class notes GATE MECHANICAL Textbook of Refrigeration and Air Conditioning](/docpics/2868537/6481816ad12e7_2868537_121_171.jpeg)
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Class notes GATE MECHANICAL Textbook of Refrigeration and Air Conditioning
- Class notes • 152 pages • 2023
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Introduction: 
These comprehensive classroom notes delve into the fundamental concepts and principles of Refrigeration & Air Conditioning, as expounded by the esteemed author R.S. Khurmi. Designed to enhance your understanding of HVAC systems, these notes provide a comprehensive overview of various topics including thermodynamics, heat transfer, refrigeration cycles, system design, and practical applications. 
 
Thermodynamics: 
Gain a solid foundation in the principles of thermodynamics as it r...
![2023 FireFighter 1 and 2 Study Guide 2023/2024 GRADED A](/docpics/4055254/6581954c87fde_4055254_121_171.jpeg)
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2023 FireFighter 1 and 2 Study Guide 2023/2024 GRADED A
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2023 FireFighter 1 and 2 Study Guide 2023/2024 GRADED A 
 
In a typical fire department rank structure, an assistant chief reports to the _	. 
section chief 
chief of the department 
command staff 
battalion chief Ans: b. chief of the department 
 
Which term can be defined as the set of guidelines that a department establishes for its firefighters? 
Unity of command 
Span of control 
Discipline 
Training Ans: c. discipline 
 
In a typical fire department rank structure, an assistant chief repor...
![Basic Concepts of Thermodynamics (CHE61404)](/docpics/3569864/651fe483b9f36_3569864_121_171.jpeg)
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Basic Concepts of Thermodynamics (CHE61404)
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Basic Concepts of Thermodynamics (CHE61404) 
 
basic thermodynamics concepts - Answer- state, system, state postulate, equilibrium, process and cycle 
 
thermodynamics - Answer- study of the flow and transformation of energy in the universe, and it's ability to cause changes 
 
first law of thermodynamics - Answer- Energy can be transferred and transformed, but it cannot be created or destroyed. 
 
second law of thermodynamics - Answer- energy has quality and quantity, and processes occur in th...
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