Two voltages (
and 
) are applied to a resister. 
is 40 volts at 
reference. ![]()
src="https://sciemce.com/media/4/ppg__examview__ch9__00001_res__nr010-5.jpg" border="0"> is 60 volts and leads 
by 
. Find 
to the nearer tenth.
Fill in the blank(s) with the appropriate word(s).
94.2
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When delegating, the crew leader should make sure the crew member understands what to do and _____.
a. the degree of risk involved b. has read the OSHA regulations c. who should be blamed if there is a problem d. their level of responsibility
____ is the measurement of how much work is accomplished in a specific amount of time, with time being the differentiating focus.
a. Power b. Torque c. Work d. Energy
Numbers are commonly used in balloons.
Answer the following statement true (T) or false (F)
When an air-cooled split system operates at low ambient temperatures:
A) Head pressure increases because of the inverse relationship between ambient temperature and condenser temperature. B) Low ambient controls are necessary for safe operation. C) The decreased air density reduces the airflow over the condenser. D) System efficiency is increased because of the extra cooling effect of the colder air.