A type of fan that is designed for producing high static pressure in a duct distribution system is:
A) Condenser. B) Impeller. C) Centrifugal. D) Axial.
C
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For a pull box housing shielded conductors carrying over 1,000V and used in an angled pull, the distance between a conductor entry and exit m
a. 24 times greater than the OD of the conductor b. 30 times greater than the OD of the conductor c. 36 times greater than the OD of the conductor d. 45 times greater than the OD of the conductor
NFPA 70E® provides practical guidance in _____.
a. confined space entry b. fall protection procedures c. electrical hazard assessment d. solvents and toxic vapors
Technician A says that the pressure in diesel common rail is the same as that in an EHI when it is closed in a typical CR fuel system. Technician B says that pressures in a diesel CR fuel system are similar to those in a typical gasoline fuel system. Who is correct??
A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B
A gasoline with a high driveability index is ________
A) Less volatile than gasoline with a lower DI B) More volatile than gasoline with a lower DI C) DI does not describe volatility. D) None of these