Engineering, 21.01.2021 22:10 Lewis5442
Fire Extinguishers Test (true or false)
53. Never play with the extinguishers so they will remain charged for
emergencies.
54. Before you use an extinguisher check what kind it is.
55. Class A - wood, paper, trash, etc...
56. Class B - flammable liquids such as paints and finishes.
57. Class C - electrical fires.
58. ABC extinguishers should be safe for all type fires.
59. Water on flammable liquids will spread the fire since it floats on the water.
60. Water on electrical is a shocking choice.
Portable Drill Test
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Burgers vector is generally parallel to the dislocation line. a)-true b)-false
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A-mn has a cubic structure with a0 0.8931 nm and a density of 7.47 g/cm3. b-mn has a different cubic structure, with a0 0.6326 nm and a density of 7.26 g/cm3. the atomic weight of manganese is 54.938 g/mol and the atomic radius is 0.112 nm. determine the percent volume change that would occur if a-mn transforms to b-mn.
Answers: 2
Fire Extinguishers Test (true or false)
53. Never play with the extinguishers so they will remain c...
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