Why are most dairy cattle in the United States purebred rather than crossbred?
What will be an ideal response?
No sort of crossbreeding has succeeded in improvement of milk production.
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All of these factors influence the output speed of an AC motor, EXCEPT:
A. The number of brushes on the commutator B. The number of windings and poles built into the motor C. The frequency of the AC supply voltage D. The load on the rotor’s shaft
The fireplace foundation ____.
A. supports the lower parts of the fireplace B. spreads the weight over an area of stable earth C. serves a different purpose than the foundation of the house D. does not include a footing
The rms value for the voltage of a sine wave is
A. zero B. greater than the amplitude C. less than the amplitude D. equal to the amplitude
When maximum interference is achieved in a force fit, the hole will be at its ____ size.
A. average B. maximum C. minimum D. preferred