MASSACHUSETTS DEPARTMENT OF EDUCATION
SCOPE OF TEST CODE #18 – HEATING-VENTILATION-AIR CONDITIONING-REFRIGERATION
TIME ALLOWED: 3 HOURS
PERCENT OF TEST:
20 % Basic A.C. & Refrigeration Theory
25 % A.C. Refrigeration Components, Systems and Service
25 % Electrical Components and Systems
15% Heating Components, Systems and Service
5 % Refrigerant Recovery, Recycle and Reclaim
5 % Heating, Ventilation & Refrigeration Related Mathematics
5 % Health and Safety
THE WRITTEN EXAMINATION IS ALIGNED WITH THE MATCHING MASSACHUSETTS VOCATIONAL TECHNICAL EDUCATOR FRAMEWORKS. SOME QUESTIONS REQUIRE A SYNTHESIS OF KNOWLEDGE BASED ON VOCATIONAL TECHNICAL WORK EXPERIENCE AND MAY NOT BE FOUND IN ANY BOOK. HOWEVER, CANDIDATES ARE ENCOURAGED TO STUDY FOR THEIR EXAMS BY REVIEWING CURRENT TEXTBOOKS AND REFERENCE MATERIAL WHICH CAN USUALLY BE FOUND IN THE LIBRARIES OF MOST VOCATIONAL TECHNICAL SCHOOLS AND SCHOOLS WHICH OFFER CHAPTER 74 PROGRAMS.
*You may refer to http://www.doe.mass.edu/cte/frameworks for the Massachusetts Vocational Technical Educator Frameworks.
THE FOLLOWING LIST OF REFERENCE MATERIALS WAS DEVELOPED AS A GUIDE
FOR WRITTEN EXAM CANDIDATES:
REFRIGERANT TRANSITION AND RECOVERY CERTIFICATION MANUAL by Air Conditioning Contractors of America (ACCA)
MODERN REFRIGERATION AND AIR CONDITIONING by Althouse, et al
Delmar (ISBN # 1-56637-300-X)
REFRIGERATION AND AIR CONDITIONING TECHNOLOGY by Whitman and Johnson
Delmar (ISBN # 0-8273-5646-3)
YOU MAY WANT TO CHECK WITH YOUR LOCAL LIBRARY FOR OBTAINING THESE RESOURCES THROUGH THE INTERLIBRARY LOAN PROGRAM.
SCOPE OF TEST CODE #18 – HEATING-VENTILATION-AIR CONDITIONING-REFRIGERATION
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The written exam consists of 100 multiple choice questions. Each question consists of one incomplete sentence or a questions followed by four choices. Listed below are several sample items:
What percentage of a recovery (D.O.T.) cylinder can be safety filled with liquid refrigerant?
a. 95%
b. 70%
* c. 80%
d. 90%
An oversized thermostatic valve installed on an evaporator coil will create:
a. a high superheat reading.
* b. a low superheat reading.
c. a starved evaporator coil.
d. excessive head pressure.
* indicates correct answer
THE TEACHER TESTING PROGRAM WILL PROVIDE NON-PROGRAMMABLE CALCULATORS FOR USE IN COMPLETING THE WRITTEN EXAM. DOCUMENTATION REGARDING THESE CALCULATORS WILL BE INCLUDED IN YOUR ADMISSION PACKAGE.
UPDATED: 11/2007
SCOPE OF TEST CODE #18 – HEATING-VENTILATION-AIR CONDITIONING-REFRIGERATION
PERFORMANCE EXAM
TIME ALLOWED: 5 HOURS
PERCENT OF TEST:
15 % Working with Copper Tubing
17 % Refrigeration Pump-Down
15 % Evaporator Performance
16 % Control Wiring/Thermostat/Transformer Wiring
15 % Multi-Meter Operation
9 % Troubleshooting Commercial Refrigerator/Freezer Unit
13 % Heating
Special Instructions:
-Hand tools and test instruments such as gauge manifolds, temperature measuring instruments and electrical instruments will be available at the test site.
-Candidates may provide their own tools and instruments.
-Soldering and brazing equipment and supplies will be provided at the test site.
Candidates Must Provide:
Pens, pencils, pressure temperature charts and calculators
Must be wearing safety glasses, proper work attire and shoes
*You may refer to http://www.doe.mass.edu/cte/frameworks for the Massachusetts Vocational Technical Educator Frameworks.
UPDATED: 2-2008