A ____ has a uniform load evenly distributed over the entire length of the beam and is supported at each end.
A. simple beam
B. strong back
C. purlin
D. complex beam
Answer: A
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During the 17th century, indentured servitude solved the labor problem in many English colonies for all of the following reasons EXCEPT that
A. the Indian population proved to be an unreliable work force because they died quickly after contact with whites. B. African slaves cost too much money. C. in some areas, families formed too slowly. D. Spain had stopped sending slaves to its New World colonies. E. families procreated too slowly.
Poorly maintained humidifiers can become indoor air quality concerns because of
A) mold and mildew growth B) increased static discharge around all electrical connections C) unintended chemical reactions with HFC refrigerants D) increased outgassing of volatile organic compounds
Which of the following is the same in the DC series motor and the universal motor?
A) Iron core composition B) No-load speeds C) Input power D) Field strength
Where on the enthalpy diagram is refrigerant saturated?
A) On and inside the saturation curve B) Everything to the right of the saturated line of demarcation C) There are no areas of saturation because the enthalpy chart is for gases. D) Everywhere on the chart is saturated because the enthalpy diagram is specifically for saturated refrigerant