What are the disadvantages to the alkaline fuel cell (AFC) that make it more expensive to operate than other fuel cells?
What will be an ideal response?
The primary disadvantage is the requirement for pure oxygen and pure hydrogen. The fuel cell is also poisoned easily by CO2 and they have a shorter average lifetime than other fuel cell, making them less cost effective.
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The most complicated of all bonds to build is the running or all stretcher bond.
Answer the following statement true (T) or false (F)
Name the symbol used to indicate that the datum target is not fixed at its basic location and is free to translate.
What will be an ideal response?
Most lug nuts are ________ so that the wheel stud will center the wheel onto the hub
A) Chrome B) Oval C) Tapered D) Flat
Why might a technician need to install a larger transformer in a heating system?
A) If the furnace wire size is incorrect. B) If output from the system is decreasing. C) If accessories are added to an existing furnace. D) If the technician is performing regular maintenance.