Comprehensive Diagnostic
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Master Assessment · All Domains
Comprehensive Technical Assessment
90 questions spanning rack systems, oil management, CO₂, compressor failure analysis, leak detection, low voltage control schematics, self-contained equipment, and HVAC. Includes real field scenarios and ladder diagrams. Results identify your strengths, flag your gaps, and build a personalized study path.
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Focused Assessments
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Assessment 01
Commercial Rack Refrigeration
Covers multi-circuit rack systems, compressors, condensers, oil management, controls, and system safeties.
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Assessment 02
Self-Contained Refrigeration
Covers reach-in coolers, merchandisers, ice machines, hermetic compressors, evaporators, and defrost cycles.
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Assessment 03
Basic Electrical
Covers Ohm's Law, circuit types, load calculations, wiring safety, lockout/tagout, testing equipment, and motor circuits.
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Assessment 04
Commercial HVAC
Covers rooftop units, chillers, refrigerant handling, psychrometrics, ductwork, economizers, and BAS controls.
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