Ayuda para tareas de ingeniería
Diseñado para ingenieros estructurales de primera línea que trabajan en el campo, la ayuda de asignación de ingeniería espera ayudar a los ingenieros de todos los campos en su trabajo.
Contiene varias ayudas de cálculo, procesos de cálculo y métodos operativos que son efectivos en el trabajo diario del proceso de cálculo para producir datos rápidamente. Con funciones integrales de cálculo y consulta, los usuarios pueden buscar requisitos operativos relevantes de acuerdo con las necesidades reales y producir valiosos datos de ingeniería.
- In a fixed orifice tube air-conditioning system, the low-pressure cycling switch is typically installed on the low -pressure line or on the: a. Accumulator. b. Compressor. c. Condenser. d. Receiver/drier.
- Which of the following statements is NOT true regarding a recovery machine? a. An approved machine must always be used. b. The machine used must be for that specific type of refrigerant. c. A recovery machine can be a stand -alone unit or part of an R/R/R machine. d. The recovery machine always recycles the refrigerant.
- Technician A says any time the air-conditioning system needs to be opened up, the refrigerant must be removed so that refrigerant will not be released into the atmosphere. Technician B says that removing refrigerant is called reclaiming or recovering. Who is correct? a. Technician A b. Technician B c. Both Technician A and Technician B d. Neither Technician A nor Technician B
- Technician A says that most R/R/R machines are equipped with an internal storage container for storage of recycled refrigerant. Technician B says that any externally used storage container should be clearly marked with what type of refrigerant is stored inside. Who is correct? a. Technician A b. Technician B c. Both Technician A and Technician B d. Neither Technician A nor Technician B
- Technician A states that refrigerant in a vehicle should be identified before recovering the refrigerant. Technician B states that another condition that has to be identified is whether sealer has been added to the vehicle's air -conditioning system. Who is correct? a. Technician A b. Technician B c. Both Technician A and Technician B d. Neither Technician A nor Technician B