An oil slinger is used with reciprocating compressors that are lubricated by:
A) Both splash and pressure lubrication.
B) Pressure lubrication.
C) Splash lubrication.
D) Oil slingers are only used with scroll compressors.
C
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The impeller design on a centrifugal pump is available in all the following designs except:
a. inlet vane tip b. open c. closed d. semi-open
Differential steering is being discussed. Technician A says that steering control can be lost if overspeed occurs during a turn on a steep slope. Technician B says that the counterbalance valve is designed to prevent this from occurring. Who is correct?
A. Technician A B. Technician B C. Both D. Neither
You will make equal deposits into your retirement account each year for 10 years starting now (i.e., years 0–9). If you expect to withdraw $50,000 per year forever beginning 30 years from now, and the funds will earn interest at 10% per year, the size of the 10 deposits is nearest:
(a) $4239 (b) $4662 (c) $4974 (d) $5471
Technician A says that the convex side of the ring gear is the drive side on most rear axle assemblies. Technician B says that the convex side of the ring gear is the drive side on differentials used in the front of many four-wheel-drive vehicles. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B