A welding procedure specification (WPS) will contain:
A) Post-heat treatment B) Amperage
C) Travel speed D) All of the above
D
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An iron?carbon steel, containing 0.5 percent carbon, has a microstructure consisting of 85 percent pearlite and 15 percent ferrite.
(a) Are these the amounts of the constituents that one would expect to find in the steel if it had been slowly cooled from the austenite region? (b) In a slowly cooled microstructure, pearlite normally has a 7 to 1 ratio of the widths of the ferrite and cementite lamellae. What would this ratio be in the present case?
Why are chelated micronutrient fertilizers preferable to ordinary micronutrient fertilizers?
What will be an ideal response?
Technician A says refrigerant leaks are most common where components join together. Technician B says many manufacturers put leak-tracing dye in the refrigerant systems of new vehicles. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
How much compressed natural gas (CNG) does it require to achieve the energy of one gallon of gasoline?
A) 105 cubic feet B) 91 cubic feet C) 130 cubic feet D) 122 cubic feet