Technician A says that accumulators are used to store potential energy in a hydraulic circuit. Technician B says that accumulators can be used to dampen shock and buffer sudden pressure rises. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: C
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Gather information from fi ve of your classmates regarding the number of songs they have on their iPod or MP3 player. Using the average of these numbers, determine how many CDs would be required to hold the same number of songs. Using the volume of a CD case, the number of CDs required, and the volume of an MP3 player, create a graphic to compare their relative sizes (e.g., 1000 songs on an iPod shuffl e versus 1000 songs on say 100 CDs, assuming 10 songs per CD).
What will be an ideal response?
What is the recommended tool used to measure the operating angles of driveline components?
A. protractor B. electronic inclinometer C. balance sensor and strobe D. carpenter's level
The active fraction of soil organic matter largely accounts for which of the benefits of adding organic matter to soils?
A) increased water holding capacity B) increased CEC C) increased microbial activity D) increased aggregate stability E) both C and D
The friction between two surfaces is affected by all of these EXCEPT ________
A) Surface finish B) Speed difference between the two surfaces C) Heat D) Frictional material