Technician A states that a rust damaged catalytic converter should be replaced. Technician B suggests repairing a rust damaged catalytic converter with metal patches. Who is correct?

A. Technician A only.
B. Technician B only.
C. Both A and B.
D. Neither A nor B.


Answer: A

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Technician A says that a common cause of top end clatter in a diesel engine is loose set cylinder valves. Technician B says that loose set valves are subject to lower shock loads on opening and closing because they travel less distance. Who is correct? 

A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B

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The relay logic and truth table shown in Figure 4 represents a(n) _____.



a. AND function
b. OR function
c. NOR function
d. NAND function

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All of the following are considered primary sources of information for private bids EXCEPT:

A. advertisements in newspapers B. invitations from owners or consultants C. architectural and engineering consultants D. business contacts

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The discharge gas from the compressor is a high pressure, high temperature, superheated vapor.

Answer the following statement true (T) or false (F)

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