Technician A says that one advantage of hydraulics compared to a mechanical linkage is that fluid has no fixed shape. Technician B says that hydraulics offer the opportunity to multiply the input force. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
C
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An accessible home has a level site for parking with paved walkways from parking areas to the main entry. Note that a minimum ceiling height of ____ is required for raised-top vans.
A. 30'' (760 mm) B. 48'' (1200 mm) C. 9' (2700 mm) D. 12' (3600 mm)
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The maximum rise for a set of stairs without a landing is typically _____ feet
A) 9 B) 10 C) 12 D) 15
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One-pipe, gravity-return steam systems do not use _____
a. air vents b. traps c. heat exchangers d. radiators
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Pistons are connected to the crankshaft using _________________________ and _________________________.
Fill in the blank(s) with the appropriate word(s).
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