When large DC motors are to be started, current in-rush to the armature must be limited.
Answer the following statement true (T) or false (F)
True
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Bill wants to determine his blood type, so he takes a few drops of blood from a puncture wound in his finger and mixes it with various antisera. His blood cells agglutinate when mixed with the anti-A serum and anti-Rh serum, but not with the anti-B serum. This means
A) Bill could receive type B blood in a transfusion. B) Bill could donate blood to an individual with type AB blood. C) Bill is Rh-negative. D) Bill's plasma would cross-react with type O negative red blood cells. E) Bill's plasma contains anti-B antibodies.
Several different types of nails are used in wood frame construction. They are typically distinguished from each other by the
A) nail head and type of threads. B) nail head and nail tip. C) nail head and nail shank. D) nail tip and nail shank. E) none of the above.
A 4-ton air-conditioning system that requires an input power of 5 kW would have an energy efficiency ratio of ____________________.
Fill in the blank(s) with the appropriate word(s).
What is the minimum number of bits required to represent -14310 as a signed binary number in 2's-complement form?
A) 7 B) 8 C) 10 D) 9