HVAC Excellence Professional Level Practice Exam
El examen de práctica de nivel profesional de HVAC Excellence es una evaluación rigurosa y completa diseñada para técnicos de HVACR experimentados que buscan validar su dominio del oficio. Este examen va más allá de la competencia básica, evaluando conocimientos avanzados en diez dominios críticos, incluyendo aire acondicionado y refrigeración, distribución de aire y ventilación, negocios y leyes (para licencias de contratistas), manejo de refrigerantes EPA 608, teoría y controles eléctricos, sistemas de calefacción (gas, aceite, eléctrico y bombas de calor), cálculos de carga y dimensionamiento de sistemas, fundamentos de refrigeración y teoría del ciclo, seguridad y cumplimiento de OSHA, y resolución de problemas y diagnósticos avanzados. Obtener esta certificación demuestra la capacidad de un técnico para diseñar, instalar, mantener y reparar sistemas HVACR complejos con un alto grado de competencia.
Preguntas de Muestra
Prueba algunas preguntas para ver cómo es el examen completo.
A field technician is working on a heat pump auxiliary heat call. Outdoor unit is locked out at 12F. Readings are: supply air is only 78F, all heat strips are commanded, and one sequencer output has no line voltage. What is the likely repair?
A field technician is working on an oil furnace after annual service. Smoke test is 2, CO2 is low, and stack temperature is high. Readings are: the nozzle was replaced with the same gph but wrong spray angle. What should be done?
A field technician is working on a packaged unit with hot-gas reheat. Space is overcooled while dehumidification call remains active. Readings are: reheat valve is not opening, suction is normal, and leaving air is too cold. What is the likely issue?
A field technician is working on a supply plenum. Static at the plenum is high and first takeoffs get too much air. Readings are: far rooms are low, and the plenum has no balancing dampers or reducing transitions. What is the likely duct issue?
A field technician is working on a ladder setup. The disconnect is 11 ft above grade on a wet concrete pad. Readings are: the technician has an aluminum extension ladder and must use both hands at the panel. What is the safe choice?