The synchronous motor efficiently converts electrical power to mechanical power
Indicate whether the statement is true or false
TRUE
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The plug-in unit size of a bus plug is based on the ____.
A. switch ampere rating B. protective devices rating C. number of bus plugs required D. number of end connections
The mass of the Earth’s troposphere, the lower part of the atmosphere, is approximately 4.4 x 1018 kg.
a. Use the ideal gas law to estimate volume of the troposphere in cubic meters at standard state (P = 1 atm, T = 298 K, R = 0.0821 atm-L/mol-K ). Note, the average molecular weight of air is 28.967 grams/mole.
b. The average mass of water in the troposphere is 1.3 x 
Using your answer from above, calculate the concentration of water vapor in the troposphere in mg/
?
c. Using your answer from part b, what would be the concentration of water vapor in the troposphere in 
What will be an ideal response?
Define diametral pitch.
What will be an ideal response?
When 20,000 pounds (9072 kg) is loaded onto the frame of a truck it lowers by one-inch (25 mm). However, another 30,000 pounds (13,608 kg) has to be added before it lowers another inch (25 mm). Which of the following types of suspension is this truck likely to have?
A. pneumatic B. standard leaf spring C. progressive leaf spring D. equalizing-beam