Vibration ________ measure and compare the amplitude and frequency characteristics of a vibration
A) oscilloscopes B) stroboscopes
C) electronic filters D) spectrum analyzers
D
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What elementary particle of an atom carries an negative electrical charge?
a. proton b. neutron c. nucleus d. electron
A common method of controlling the speed of ____ is to connect impedance in series with the stator winding.
a. servo motors b. brushed DC motors c. brushless DC motors d. small AC motors
The MOST significant result of the election of 1856 was that it
A. showed that the Democrats still remained the majority party in the country. B. demonstrated the importance of charismatic leadership in the presidency. C. foreshadowed an ominous sectional clash over slavery in the election of 1860. D. offered the prospect of a viable presidential candidacy for Illinois Senator Stephen Douglas in 1860. E. signaled the demise of the Know-Nothing (American) Party.
The power-split device is also called the hybrid ____________________ assembly.
Fill in the blank(s) with the appropriate word(s).