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20 Cards in this Set
- Front
- Back
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An electronic instrument used to measure phase shift in electronic circuits is the:
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Oscilloscope
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When two sine waves are not in phase, usually,the phase difference is designated by the greek letter:
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Theta (q)
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The study of sound wave technology is called:
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Acoustics
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Destructive interference of sound waves in an auditorium can cause:
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Dead spots
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A a power substation, electric transformers are used to:
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Step up voltage
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The power source for an electric transformer is primarily:
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Alternating current
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The electric transformer located on a utility pole near your home is used to:
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Step down voltage
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What remains the same from input to output in a pressure intensifier?
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Force and piston movement
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formula for momentum
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Pmom=mass x velocity
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wave speed formula
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V= distance/time
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The si unit for angular impulse is:
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(N x m) sec
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The english unit for angular impulse is:
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(lb x ft)sec.
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The english unit for angular momentum is equal to:
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Slug x ft2/sec
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Lmom is equal to:
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I'w
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efficiency formula
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eff= AMA/IMA
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Electrical energy formula
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H= mcDT
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actual mechanical advantage formula
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AMA= di/do
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kinetic energy given
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N x m
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english unit given
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ftx lb
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A thermocouple is the basic element in a:
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Thermopile
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