A refrigerant leak can be detected by ________
A) Using an electronic leak detector B) Using a soap solution and looking for bubbles
C) Looking for oily areas (visual inspection) D) Any of the above
D
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Problem 1.53 In the steel structure shown, a 6-mm-diameter pin is used at C and 10-mm-diameter pins are used at B and D. The ultimate shearing stress is 150 MPa at all connections, and the ultimate normal stress is 400 MPa in link BD. Knowing that a factor of safety of 3.0 is desired, determine the largest load P that can be applied at A. Note that link BD is not reinforced around the pin holes.
What type of fuses should be used with air-conditioning systems?
A) One-time fuses B) Slow blow fuses C) Copper tubing cut to the size of a fuse D) Rapid blow fuses
What MA does the pulley arrangement have?
A. 4 B. 2 C. 3 D. 5
ASE-Style Multiple Choice A collision repair technician must have a working knowledge of all of the following EXCEPT:
A. mechanics B. databases C. electronics D. painting