Technician A says that when a supply reservoir is completely drained, air pressure in the primary circuit should drop to zero. Technician B says that when the secondary reservoir is completely drained, pressure in the primary reservoir should drop to zero. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: D
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A member of the aster flower family is a _____
A) lily B) rose C) sunflower D) poppy
Branch circuits in kitchens should be ____-ampere circuits.
A. 15 B. 20 C. 25 D. 40
Forest fires result in sufficiently high soil temperatures to cause the vaporization and movement of certain organic compounds in soils. The main effect of these compounds is to:
A) increase pH. B) increase soil organic matter. C) enhance soil structural stability. D) reduce water infiltration and percolation through the profile. E) decrease water losses by surface runoff.
Technician A says that bearings should be thoroughly cleaned with solvent and then dried, before repacking with grease. Technician B says that it is important to use manufacturer approved bearing grease to prevent premature bearing wear. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician