?The lack of fusion between the filler metal and previously deposited weld metal is called_______.
A. ?interpass cold lap
B. ?inclusions
C. ?lack of sidewall fusion
D. ?None of the above
Answer: A
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The ____ the period during which the electrode force is applied and the welding current is shut off.
A. squeeze time B. weld time C. hold time D. off period
Technician A says the height-sensing proportioning valve changes its split point by means of a rotating cam. Technician B says levers are used in conjunction with the height-sensing proportioning valve. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Transpiration serves what 2 critical functions in the plant?
A. oxygen uptake, CO2 elimination B. cooling, mineral uptake C. sugar transport, root growth D. insect resistance, cold tolerance
Calculate the amount of heat in BTUs required to change 5 pounds of 10°F ice to 242°F steam?
What will be an ideal response?