Engineering, 16.04.2020 00:56 EmmaPreston43
Which of the following statements concerning the standard deviation are correct? (a) The standard deviation measures the volatility of a security’s returns. (b) The standard deviation can be negative, positive, or equal to zero. (c) The 95 percent probability range is equal to the mean plus or minus two standard deviations. (d) The lower the standard deviation, the lower the level of risk.
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Manometers are good examples of measuring instruments, nowadays they are not as common as before. a)-capacitive probe gauges b)-gravitational gauges deformation ) gauges d)-digital gauges
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Condition monitoring is a major component of. (clo4) a)- predictive maintenance. b)-preventive maintenance c)-proactive maintenance d)-reactive maintenance.
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Most leaks in reciprocating air compressors can be detected and minimized by: (clo4) a)-detecting leakage areas using ultrasonic acoustic detector. b)-tightening joints and connections c)-replacing faulty equipment d)-all of the given options
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Inspection for bearing condition will include: (clo4) a)-color b)-smell c)-size d)-none of the above
Answers: 1
Which of the following statements concerning the standard deviation are correct? (a) The standard de...
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