?Why would a welder need extra burn protection for their eyes when making an axial spray weld?
A. ?To protect the eye from the increased weld spatter.
B. ?To protect the eye from the increased heat produced by axial spray arc welding.
C. ?The high welding current produces a great deal of UV light.
D. ?The hot metal can cause infrared light burns to the eye and face.
Answer: C
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An electric motor runs “hot” under load, owing to internal irreversibilities. It has been suggested that the associated energy loss be minimized by thermally insulating the motor casing. Comment critically on this suggestion.
What will be an ideal response?
The Constitutional Convention of 1787 was called to
A. write a completely new constitution. B. allow the most radical Revolutionary leaders to write their ideas into law. C. weaken the power of the central government. D. revise the Articles of Confederation. E. reassess our foreign alliances.
All automatic transmissions use some sort of planetary gear set.
Answer the following statement true (T) or false (F)
Technician A says that manual steering gear should be filled with a 75W gear oil for operations in northern winter conditions. Technician B says that use of 90W gear oil in a manual steering gear can produce hard steering in certain conditions. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B