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Maryland Master Restricted Ventilation (2015-06-01)
40 Questions Passing Score of 70% 90 Minutes
Closed Book These books are for pre-test study only and are not available for use during the test.
Publication Year: 2012
For the most current mechanical codes that address the design and installation of the most current mechanical systems, use the 2012 INTERNATIONAL MECHANICAL CODE SOFTBOUND VERSION. Designed to provide comprehensive regulations for mechanical systems and equipment, it includes coverage of HVAC, exhaust systems, chimneys and vents, ducts, appliances, boilers, water heaters, refrigerators, hydronic piping, and solar systems. This valuable reference uses prescriptive- and performance- related provisions to establish minimum regulations for a variety of systems.
Provides the performance characteristics for fibrous glass board as determined by the North American Insulation Manufacturers Association (NAIMA) and Underwriters Laboratories (UL) as well as specifications for closures and illustrations of how to construct the full range of fittings. Also covers details for connections to equipment and air terminals, hanger schedules, reinforcement requirements, fabrication of rectangular duct and fittings, closures of seams and joints, channel and tie rod reinforcements, plus hangers and supports. For 2 wg or less. Metric units have been provided in a more convenient format, as well as an updated inspection checklist.
Publication Year: 2005
The third edition of the HVAC Duct Construction Standards – Metal and Flexible is intended primarily for commercial and institutional duct construction. This American National Standard contains tables and details for constructing ductwork for ½" to 10" wg positive and negative pressures. This edition improves upon the second edition with expanded pressure class tables, separate tables for TDC/TDF construction and expanded tables for round duct construction including 6" wg positive and negative pressure and sizes up to 96". New in this edition is an engineering and design chapter to provide additional information to design professionals, double-wall construction details, new casing construction details and additional accessory items. The standard is applicable for construction using uncoated steel, galvanized and stainless steels and a limited range of aluminum ducts. This standard has been adopted in the ICC International Mechanical Code.
This durable two-sided plastic sizing wheel comes with a complete instruction manual for residential and commercial duct-sizing procedures. Designed by Hank Rutkowski.
Publication Year: 2020
Ugly’s Electrical References, 2020 Edition is the essential on-the-job reference tool for electrical industry professionals.
The 2020 Edition offers the most pertinent, up-to-date information for electricians, including updated National Electric Code (NEC) and table change information, mathematical formulas; National Electrical Manufacturers Association (NEMA) wiring configurations; a conduit bending guide, ampacity and conduit fill information, transformer and control circuit wiring diagrams, and conversion tables.
The 2020 Edition:
Reflects changes to the 2020 NEC
Features expanded coverage of the following topics:
Junction Box size calculations
Selecting, testing, and using multimeters to measure voltage, resistance, and current
Selecting, testing, and using a clamp-on ammeter to measure current
Selecting, testing, and using a non-contact voltage tester
Modern Refrigeration and Air Conditioning is the HVACR standard for a new generation of learner. It correlates to HVAC Excellence and PAHRA accreditation requirements to ensure complete coverage that prepares students for career success. This edition has an improved instructional design, improved assessments, enhanced content on fundamentals, such as electrical theory and troubleshooting, and new digital assets that help students master knowledge, hands-on applications, and diagnostic skills. The revision also helps prepare students for employment and careers with new lab activities and features. Prepare your students for careers with new learning materials based upon the original HVACR industry standard.
Follow-the-Heat™ Animations provide 63 short animations that introduce foundational concepts using simple, easily understood graphics and narrations.
Troubleshooting Activities create an interactive experience designed to develop and promote troubleshooting techniques and logical diagnostic skills.
New chapter on Electrical Troubleshooting, and expanded electrical coverage in the text and lab manual provide excellent coverage of essential information.
Soft Skills for HVACR features emphasize the importance of workplace skills.
Service Call Troubleshooting features present on-the-job service call situations.
Full-color Lab Manual includes 35 new lab activities – including activities focusing on basic electrical skills and sheet metal construction.