To find the total resistance in a series circuit, you would ____ the individual resistances.
A. add
B. subtract
C. multiply
D. take the reciprocal of the sum of
Answer: A
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Considering the variability of the specific heats of air, plot the change in specific internal energy of the air as it is cooled from an initial temperature of 1250 K to final temperatures ranging from 300 K to 1200 K.
Given: T1 = 1250 K
Does a person’s nose and mouth need to be buried in order to suffocate?
What will be an ideal response?
Steam is circulated through a steam heating system
A) Because of the density difference between steam and water B) Using steam circulating pumps C) Using external drive steam compressors D) using large diaphragm pumps
What is the difference between the compressor operating temperatures in an air-cooled condenser and a water-cooled condenser?
A) A water-cooled condenser operates 25°F below an air-cooled condenser. B) A water-cooled condenser operates 15°F below an air-cooled condenser. C) A water-cooled condenser operates 25°F above an air-cooled condenser. D) A water-cooled condenser operates 15°F above an air-cooled condenser.