Preheating a part before starting the weld reduces the stress caused by the weld and helps the filler metal flow.
Answer the following statement true (T) or false (F)
True
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The output by a printer is a working or design drawing printed on paper, which is referred to as ____.
A. soft copy B. hard copy C. hard drawing D. print copy
The accuracy between an external and an internal thread is specified in trade handbooks and manufacturer's tables as a ____.
A. thread fit B. thread form C. thread class D. thread code
Adding a little extra refrigerant over the amount recommended by the manufacturer
A) Reduces system capacity but slightly increases system efficiency B) Increases system capacity slightly but reduces system efficiency? C) Does not affect system capacity or efficiency, but provides a buffer against future refrigerant loss and nuisance call backs D) Reduces both system capacity and efficiency
Technician A says that a self-test DTC identifies a hard fault. Technician B says that a memory DTC always represents a soft fault. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B