You can check a switch using a(n) ____.
a. voltmeter
b. ohmmeter
c. ammeter
d. test light
b. ohmmeter
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Which of the following hazards can lead to lost product? (Select all that apply.)
a. Overfilling b. Misalignment of blanket system c. Misalignment of pump systems d. Pulling a vacuum on a tank while emptying
A ______________ is a part of a heat exchanger that is bolted to the outside end of the channel to retain exchanger fluid and provide access for cleaning.
a. tube sheet b. channel cover c. tie rod d. baffle
A saw that cuts with reciprocal action means
a. horizontal cutting c. cutting in a circle b. vertical cutting d. back-and-forth cutting
A(n) ____ºF temperature difference from the inside to the outside of the duct is considered the maximum difference allowable before insulation is necessary.
A. 10 B. 15 C. 18 D. 20