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Journeyman General Mechanical Examination - An Illustrated Review with Questions and Answers (Exam Study Guide)

Journeyman General Mechanical Examination


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Journeyman General Mechanical Examination, 3E

An Illustrated Review with Questions and Answers
(Exam Study Guide)

by John Gladstone

Journeyman General Mechanical Examination is an illustrated review designed to prepare practicing A/C contractors and senior year apprentices for the Journeyman's HVAC or General Mechanical Exam.

Includes over 500 questions and answers from previous municipal and state certification tests.


The principle aim of this book is to prepare practicing journeymen and senior-year apprentices for the journeymen's air conditioning and general mechanical examination; to help him or her pass any municipal or state examination for certification. It is, therefore, a practical book--a fact book. 272 pp.

Although many schools for air conditioning and refrigeration are in place today, the industry is crying out desperately for skilled, well-trained mechanics. In checking the number of school graduates who have successfully passed a journeymen's general mechanical examination, the author has found that only a tiny fraction of the people completing a school course of any kind were able to pass a municipal certificate examination without further study.

An exception to this pattern is the graduate from the Joint Apprenticeship Schools administered by the United Association of Journeyman and Apprentices of the Plumbing and Pipefitting Industry. As far as this author is aware no schools in the nation can compare with the UA training program for Journeymen General Examination.

The number of air conditioning courses offered in vocational and trade schools throughout the country has proliferated. High schools, colleges, and adult extension courses provide various levels of training, and these are supplemented by a growing number of private technical schools offering either regular classroom training or home study correspondence courses. But the journeyman general mechanical must know much more.

Albeit different states and municipalities vary in their certification and licensing programs, usually, a journeyman general mechanical; that is, he must be qualified to perform in air conditioning, refrigeration, heating, and pressure piping trades. And in some areas he must also be qualified to do sheet metal, ventilation and insulation. He must be knowledgeable in gas cooling as well as gas heating, large ammonia systems as well as centrifugals, construction, service and test and balance.

There are many excellent air conditioning mechanics who have little knowledge of pipefitting, many skilled service men who cannot erect a 50-ton cooling tower, many good heating men are unable to perform the test/adjust/balance function on a total environmental control systems, many good sheet metal men who can erect in air handler but know nothing about controls.


  • What to Bring to the Examination Room.
  • The Day of the Examination.
  • Tactics Used by the Test Writers and the Strategy Used to Beat Them.
  • 300 Answers to Questions from Previous Examinations.
  • Basic Mathematics.
  • Pipefitter's Formulas and Tables.
  • Fans, Pulleys and Belts.
  • Useful Electrical Data.
  • General Safety Requirements.
  • Useful Conversion Factors.
  • Decimals of a Foot.
  • Inch-Foot-Decimal Conversion.
  • Calculated Lengths of Pipe for Various Bends.
  • Pressure Temperature Chart.
  • Refrigerant Circuit Accessories.
  • Scheme for the Identification of Piping Systems.
  • Refrigerant Piping Test Procedures.
  • Hangers, Straps and Chains.

About the Author:

John Gladstone, Life Member and Fellow of ASHRAE, has had over 40 years experience in every phase of the industry, including service, construction, planning, engineering and sales management. He holds a journeyman's card as well as a Master Mechanical Contractor's License and speaks from authoritative experience to journeyman mechanics, contractors and engineers alike. He was Chairman of the Examinations Committee of the Dade County Contractor's Examining Board (1965-1968) where he wrote some of the first contractor and journeyman examinations in the nation.

Mr. Gladstone graduated from Miami-Dade Community College with honors, took his Bachelor's degree at St Thomas and his Master's at Vermont College. He taught air conditioning design and license preparation at Miami-Dade Community College for many years.

Gladstone has written 11 books on air conditioning and construction and is well-known for his many articles in the professional journals; his work has been translated into Dutch and Spanish. He was a founding member of the Associated Air Balance Council (retired) and a Certificate Member of RSES (retired). Founder of the Air Conditioning Academy in Dania in 1977, Mr. Gladstone continues to be active in educational and industry circles.

272 pages, Softcover - 6 x 9 in.


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