A truck driver charges $1.88 for each parcel that is delivered. In one day $289.52 is collected. How many parcels are delivered?
A. 153
B. 154
C. 155
D. 156
Answer: B
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What problem can occur where the pump shaft exits the pump casing?
A. Leakage B. Cavitation C. Overheating D. Overpressurization
For each of the following scenarios, state whether an incremental ROR analysis is required to select an alternative and state why or why not. Assume that alternative Y requires a larger initial investment than alternative X and that the MARR is 20% per year.
(a) X has a rate of return of 22% per year, and Y has a rate of return of 20% per year. (b) X has a rate of return of 19% per year, and Y has a rate of return of 21% per year. (c) X has a rate of return of 16% per year, and Y has a rate of return of 19% per year. (d) X has a rate of return of 25% per year, and Y has a rate of return of 23%. (e) X has a rate of return of 20%, and Y has a rate of return of 22% per year. What will be an ideal response?
What is an oil lift?
A) An oil lift helps return oil up a vertical riser using an integral orifice tube which creates a Bernoulli effect, forcing oil up the line. B) An oil lift is the increase in pressure created in the suction line due to the presence of refrigerant oil. C) An oil lift is a trap at the bottom of a vertical suction riser. D) An oil lift is an electric oil pump that moves collected refrigerant oil up against gravity.
the worm and roller steering components are basically the same as those found in the recirculating ball/parallelogram system
a. true b. false