tMASSACHUSETTS Vocational Technical TEACHER TESTING Program

 

SCOPE OF TEST CODE #18 – HEATING-VENTILATION-AIR CONDITIONING-REFRIGERATION

 

WRITTEN EXAM - 100 QUESTIONS

 

TIME ALLOWED: 3 HOURS

 

PERCENT OF TEST:

 

20 % Basic A.C. & Refrigeration Theory

                  Explain Refrigeration Theory and Identify Components

 

25 % A.C. Refrigeration Components, Systems and Service

                  Explain and Install Air Conditioning

                  Identify and Install Piping, Fittings and Materials

                  Identify and Use Refrigeration Tools and Testing Instruments

 

25 % Electrical Components and Systems

                  Apply Principles of Electricity

                  Install Electrical Controls and Systems

 

15% Heating Components, Systems and Service

                  Explain and Install Heat Pump and Electrical Resistant Heat

                  Explain and Install Oil Heat

                  Explain and Install Gas Heat

 

  5 % Refrigerant Recovery, Recycle and Reclaim

                  Define Properties of Refrigerants

                  EPA Rules

 

  5 % Heating, Ventilation & Refrigeration Related Mathematics

                  Estimation, Use Formulas, Convert Between Measurement Systems, Solve

Linear Equations, Calculate Geometric Figures

 

  5 % Health and Safety

                  Define Health and Safety Regulations

                  Demonstrate Health and Safety Practices

 

THE WRITTEN EXAMINATION IS ALIGNED WITH THE MATCHING MASSACHUSETTS VOCATIONAL TECHNICAL EDUCATOR FRAMEWORKS.  SOME QUESTIONS REQUIRE A SYNTHESIS OF KNOWLEDGE BASED ON THIS 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.


SCOPE OF TEST CODE #18 – HEATING-VENTILATION-AIR CONDITIONING-REFRIGERATION

 

-Page 2-

 

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.

 

 

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: 8/5/2009 - cas


MASSACHUSETTS Vocational Technical TEACHER TESTING Program

 

SCOPE OF TEST CODE #18 – HEATING-VENTILATION-AIR CONDITIONING-REFRIGERATION

 

PERFORMANCE EXAM

 

TIME ALLOWED: 5 HOURS

 

PERCENT OF TEST:

 

14 % Working with Copper Tubing

 

15 % Refrigeration Pump-Down

 

14 % Evaporator Performance

 

14 % Control Wiring/Thermostat/Transformer Wiring

 

15 % Multi-Meter Operation

 

14 % Troubleshooting Commercial Refrigerator/Freezer Unit

 

14 % Heating

·      Gas

·      Oil

 

 

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: 8/12/2008