A fixed-orifice metering device increases the flow of refrigerant in response to a(n) _____
a. decreased pressure differential
b. increased pressure differential
c. decreased temperature in the evaporator
d. increased temperature in the evaporator
b
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In 1899, guerrilla warfare broke out in the Philippines because
A. Spanish citizens still living there tried to regain political control of the country. B. the United States refused to give the Filipino people their independence. C. Communist insurgents attempted to seize control of the islands. D. the United States refused to promote the economic and social development of the Filipino people. E. American missionaries tried to convert Catholic Filipinos to Protestantism.
Match the following breeding terms
a. mating animals that are genetically related b. mating animals less closely related than son with mother, brother with sister, and so forth c. mating unrelated animal families within same breed d. purebred bred to another purebred e. mating purebred male with a non-purebred female f. breeding one breed to another breed g. mating son with mother, brother with sister, and so forth 15. pure-breeding 16. crossbreeding 17. grading up 18. inbreeding 19. closebreeding 20. linebreeding 21. outcrossing
Flash gas in the liquid line can be identified by:
A) The popping sound the refrigerant makes every time a new flash explodes. B) A significant temperature drop in the liquid line temperature. C) The bright flashes of light that accompany the flash gas. D) A significant temperature increase in the liquid line temperature.
Which torch type would be the best choice for a brazing project?
A) Air-propane swirl-tip torch B) Air-MAPP swirl-tip torch C) Oxyacetylene torch D) Air-fuel torch