When does an induction motor/generator act like a motor and when does it act like a generator?
What will be an ideal response?
In the case of an asynchronous motor, the rotor spins less than the synchronous speed of the field; as a generator, it spins faster than the synchronous speed. An induction generator always starts out as an induction motor until it passes the synchronous speed.
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An RC filter has impedances Z1 = R1 =1k? and Z2 = 1/(j?oC) connected in series and an input voltage vIN(t)= 20 sin (2?fot) V with ?o=1,000 rad/s. The value of C that makes the amplitude of vOUT(t) equal to 1 V equals ____ (xx.x) µF.
Fill in the blank(s) with the appropriate word(s).
What are the four courses of action the performance bond surety has the option of using in fulfilling its bond obligations, according to the AIA A312- 2010?
What will be an ideal response?
Purged air is released from the:
A) Bottom of the condenser. B) Top of the condenser. C) Bottom of the chiller. D) Top of the chiller.
Water boils at 212°C.
Answer the following statement true (T) or false (F)