Which type lever reduces force but increases the distance travelled?
A) Second class B) Third class C) Both A and B D) Neither A nor B
B
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Contour markers are less accurate than other layout tools.
Answer the following statement true (T) or false (F)
Why were archaic Greek institutions like the Olympic Games or the sanctuary of the god Apollo at Delphi so important?
a. They became a vital source of income for Greek poleis. b. They encouraged the use of phonetic writing, which was vital to stabilizing and preserving Greek literature. c. They sponsored Archaic Age Greek colonies outside of Greece. d. They mediated local differences between rivals, for the Greeks were deeply divided.
What can cause the supply voltage to an electric heating system to drop below the minimum voltage when the unit is operated?
A) A dirty air filter may be causing a high evaporator fan motor amp draw. B) Power wire is too small or there are poor connections at either end of the power wire. C) This is normal. The minimum voltage only refers to the voltage with the unit off. D) The system may be low on refrigerant, causing a high amp draw as the compressor struggles to cool the structure.
Throttling valves are used for capacity control on a _____
a. scroll compressor b. reciprocating compressor c. centrifugal compressor d. screw compressor