The key on the calculator used to change the sign of a number is called:
A. Plus/minus key
B. Negative number key
C. Reverse key
D. Subtract key
Answer: A
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Why does the fuel pressure on a typical return type port fuel injection system increase when you snap the throttle?
A.The manifold pressure goes up, and to maintain a constant pressure drop across the injector, the fuel must increase as well.
b.As the manifold pressure goes down, the fuel pressure must increase the pressure drop across the injector,
c.None of these.
d.As the manifold pressure goes up, the fuel pressure must increase, to decrease the pressure drop across the injector.
In some freezers, compressor running time determines when the defrost cycle occurs.
Answer the following statement true (T) or false (F)
Which of the following is concerned with long-term planning of manufacturing activity?
A) MRP B) master production scheduling C) master planning D) sales and operations planning E) production activity control
Use the chart provided to determine the length of a 20-penny nail.
a. 10"
b. 8"
c. 4"
d. 6"