9.75 + (-4.37 ) - (-2.5 ) - 8.45 =
A) -0.57 B) 11.33 C) 0.57 D) -5.57
A
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Which of the following is used to check the rotating speeds of motors?
a. Insulation resistance tester b. Tachometer c. Spring tension scale d. Stethoscope
The term full scale means a drawing is
a. one-half the size of the object shown b. one-third the size of the object shown c. three-fourths the size of the object shown d. the same size as the actual object
Why do computers and data transmission equipment use binary
A. They are electrical devices, and electricity has only two states. B. Base 2 is too difficult to use. C. Base 10 was developed before binary. D. Binary is The Next Step Beyond quadecimal.
The ratio of standard hours of work produced to hours actually worked is called:
A) utilization. B) effectiveness. C) efficiency. D) up-time.