Learn about the physics of water; heat transfer; boiler types; construction classification and parts; boiler accessories; operation of boilers; feedwater treatment; safety features of controls, pumps, valves, and burners; fire safety devices and sprinkler systems; stream traps; basic refrigeration; and commercial air conditioning units. The successful completion of this DLLR-approved course will qualify the student to take the PSI examination to obtain a Fourth Grade stationary engineers license. This license permits the holder to take charge of any boiler plant from 30 to 99 horsepower in any building. Next, after two years, an applicant may apply to take the examination to obtain a Third Grade license. This license permits the holder to take charge of boilers from one to 299 horsepower. Text required. Senior adult and disabled retiree course fee waivers apply. Transcript available.
This course examines the basic principles of blueprint reading. Topics include line types, orthographic projections, dimensioning methods, and notes. Students learn how to interpret different types of blueprints and schematics used in various engineering, technical or industrial environments. Students interpret the different types of standard symbols and abbreviations found on the drawings and schematics, such as electrical or mechanical drawings and wiring diagrams.
Senior adult and disabled retiree course fee waivers apply. Transcript available.
An introduction to arc welding machines and accessories, oxyacetylene cutting equipment, and types and uses of electrodes. Learn flat welds, types of joint design (butt, lap and T-joints), basic welding symbols, and safety practices. Safety equipment and metal supplied during class time. Class size is limited to 7 students due to equipment constraints. Senior adult and disabled retiree course fee waivers apply. Transcript available.
This course covers the basic concepts needed to understand the operation and programming techniques common to most Programmable Logic Controllers (PLC). An overview of Programmable Logic Controllers and the different number systems are covered. Topics include various number systems, programming fundamentals, timers, counters, sensors and their wiring, input/output modules and wiring, arithmetic instructions, and an overview of plant floor communications. Senior adult and disabled retiree course fee waivers apply. Transcript available.
This course covers the basic principles of blueprint reading and sketching. Topics include multi-view drawings; interpretation of conventional lines; and dimensions, notes, and thread notations. Upon completion, students should be able to interpret basic drawings, visualize parts, and make pictorial sketches. Senior adult and disabled retiree course fee waivers apply. Transcript available.
Course Fee: $325
Material Fee: $49
6:00 PM - 9:00 PM
No class 11/24
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Harford Community College
401 Thomas Run Road
Bel Air, MD 21015