To prevent cracking after being welded, martensitic stainless steels must be cooled slowly in _____
a. hot water
b. steam
c. heat
d. still air
d
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What is TRUE about technicians who recommend work?
A. Data about how much was recommended is found on the repair order tracking sheet B. Management should track and determine why technicians do not check for additional work C. Both A and B are correct D. Neither A nor B are correct
What type of survey would be used to lay out a new highway?
What will be an ideal response?
A compressor that compresses gas between a fixed spiral and an orbiting spiral is a:
A) Screw compressor. B) Centrifugal compressor. C) Rotary compressor. D) Scroll compressor.
When troubleshooting a hydronic heating system, the technician notices that the circulator pump is running and the burner is firing, but no hot water is flowing through the system. What is the most likely problem?
A. defective circulator pump B. defective room thermostat C. air in the system D. high limit open