Why should oil or grease never be used to lubricate oxygen or acetylene regulators?
A) It can react with certain chemicals or materials and result in an explosion.
B) It can result in valve damage due to corrosion.
C) It will result in the loss of the manufacturer's warranty.
D) It decreases the accuracy of the gauges.
A
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Spanish authorities allowed Moses Austin to settle in Texas because
A. they believed that Austin and his settlers might be able to "civilize the territory," which was heavily populated by Indians. B. they believed that the militarily powerful Austin would otherwise have taken the land by force. C. he paid them a sizable sum of money. D. Spain planned to sell the land to the United States. E. None of these choices are correct.
Furnaces are used to:
a. increase the temperature of a fluid b. release harmful gases to the environment c. decrease temperature and pressure d. decrease the viscosity of a fluid
The term ____________________ fever refers to a metabolic disease in cattle occurring at the transition between late pregnancy and early lactation
Fill in the blank(s) with correct word
What causes the pressure to increase on one side of the hydraulic system during a turn?
A) The speed of the pump B) Action of the rotary valve C) Temperature of the fluid D) The speed of the vehicle