Sample and hold circuits:
A) convert analog voltages to a binary number. B) reduce quantization error.
C) increase resolution. D) all of the above.
D
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The torque capacity of a friction clutch or brake is determined by:
A. Coefficient of friction of materials. B. Surface Area. C. Amount of force used. D. all of the above.
Convert the following pressure readings from inches of mercury units to psi and Pascal units:
a. 28.5 in·Hg b. 30.5 in·Hg.
If a critical lift is stopped at some point, it can only be restarted by the _____.
a. rigging supervisor b. crane operator c. lift director d. site supervisor
Single-phase distribution transformers can be connected in parallel only if the voltage and ____________________ ratings of the transformer are identical.
Fill in the blank(s) with the appropriate word(s).