Which of the following is not true about a hydraulic elevator system?
a. the car is mounted on a giant piston
b. counterweights help the elevator move up and down
c. oil pumped into a cylinder raises the elevator
d. it can only be used in a building of six stories or less
Ans: b. counterweights help the elevator move up and down
Business
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Kirsten just bought a car that had a one-year warranty stating that it covered the cost of parts, but not labor. It also stated that the warranty only covered the powertrain, and no other part. What kind of warranty did Kirsten's car have?
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