When the frequency applied to an RC circuit varies, the value of XC varies
Indicate whether the statement is true or false
TRUE
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An ideal gas, initially at 30°C and 100 kPa, undergoes the following cyclic processes in a closed system:
What will be an ideal response?
(a) In mechanically reversible processes, it is first compressed adiabatically to 500 kPa, then cooled at a constant pressure of 500 kPa to 30°C, and finally expanded isothermally to its original state.
(b) The cycle traverses exactly the same changes of state, but each step is irreversible with an efficiency of 80% compared with the corresponding mechanically reversible process. Note: The initial step can no longer be adiabatic.
Calculate Q, W, ?U, and ?H for each step of the process and for the cycle. Take 
and 
Pinion depth is usually adjusted by ________.
A) Tightening the side bearing cap bolts B) Changing the thickness of a shim under the pinion bearing C) Using a case spreader D) Adjusting the position of the ring gear
Refer to Figure 1. What is the total load a feeder serving four 2hp motors, three 5hp motors, one 15hp motor, and one 25hp motor? All motors are 208V.
a. 50A
b. 145.2A
c. 201.1A
d. 219.8A
The ____________________ of a metal is its ability to be bent repeatedly without exceeding its elastic limit and without failure.
Fill in the blank(s) with the appropriate word(s).