Which is a type of spring?
A) Leaf B) Coil C) Torsion bar D) All of the above
D
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You need to prepare to perform a First Law analysis on a device. The device is covered in insulation, and appears to have a plunger on the top which can move up and down during operation. There are also electrical wires entering and exiting the walls of the device. The device appears to be sealed. Beginning with the general equation for the First Law of Thermodynamics, develop a simplified expression that should be suitable for use with this device to calculate the overall behavior of this device for a period of time.
What will be an ideal response?
Which of the following sounds is LEAST-Likely to have a vibration of less than 120 Hz?
A. Boom B. Buzz C. Shake D. Whine
Crop insurance:
a. Has been undermined with disaster payments. b. Rates have not been actuarially sound. c. Is partly WTO amber box. d. a and b above. e. All of the above.
Which of the following statements is TRUE regarding a brazing project on a 3/16 in pipe with a 3 tip, the acetylene and oxygen regulators set at 7 psig, and that begins with heating the pipe first?
A) The oxygen regulator should be below 6 psig. B) The pipe should not be heated first while brazing. C) The acetylene regulator should be below 6 psig. D) The tip size is incorrect for a 3/16 in pipe.