In a standard welding transformer, the size of the iron core is determined by ____.
A. the distance between the coils
B. the length of time it takes for the magnetic field to build up and collapse
C. the desired thickness of the weld bead
D. the speed of the rotor
Answer: B
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For 1,3-butadiene at T = 350 K and P = 1.5 MPa, use the Peng-Robinson EOS to find the liquid and vapor phase fugacities, and determine which phase is stable at equilibrium.
A. fL = 0.917 MPa, fV = 1.278 MPa, liquid phase stable B. fL = 0.917 MPa, fV = 1.278 MPa, vapor phase stable C. fL = 0.917 MPa, fV = 1.161 MPa, vapor phase stable D. fL = 0.917 MPa, fV = 1.161 MPa, liquid phase stable E. None of these are correct.
Research shows that animals do better if ____________________ with other animals of their own kind
Fill in the blank(s) with correct word
The type of belt that works through frictional contact between the sides of the belt and the tapered sheave
groove is the _____ belt. a. Vb. Sc. synchronous d. notched
If the motor is running and the shunt field opens, the motor will become a(n) ____________________ motor and begin to increase rapidly in speed.
Fill in the blank(s) with the appropriate word(s).