The most significant difference between fiberscopes and videoscopes with CCD probes is that videoscopes
have a(n) _____.
a. lower resolution
b. remote control
c. longer working length
d. objective lens
c
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What type of shell-and-tube heat exchanger is better able to deal with thermal expansion?
A. U-tube B. Floating head C. Fixed tubesheet D. Reboiler
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Fuseholders for current-limiting fuses must not ____.
A. allow water seepage B. allow cross-over sparking C. permit insertion of non-current-limiting fuses D. permit rewiring
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A reduction ratio results in decreased torque with a reduced speed.
Answer the following statement true (T) or false (F)
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The two common winding configurations for three-phase motors are:
A) Rho and sigma. B) Alpha and omega. C) Wye and delta. D) Single-phase and three-phase.
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