Describe one diff erence between science and engineering.
What will be an ideal response?
Scientists discover and explain “what is,” and engineers create “what has never been.”
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Si la resistencia de un circuito es de 100 ohmios y la corriente es de 5A, la potencia es de _____ vatios.
a. 5 b. 50 c. 500 d. 2500
In the 1890s, white collar positions for women as secretaries, department store clerks, and telephone operators were largely reserved for
A. Jews. B. Irish-Americans. C. African Americans. D. the college-educated. E. native-born Americans.
Lettering at an angle from ____ degrees is practical, as it is easy to read and produce.
A. 30 to 45 B. 60 to 75 C. 60 to 80 D. 70 to 90
Technician A says that the use of premium high-octane gasoline in an engine designed to use regular-grade gasoline will increase engine power. Technician B says that flexible fuel vehicles are designed to operate on gasoline or gasoline-ethanol blends up to 85% ethanol. Who is right?
A) Technician A only B) Technician B only C) Both A and B D) Neither A nor B