Is an air break an acceptable form of protection when a device is subject to a vacuum?
What will be an ideal response?
No. When a device is subject to a vacuum, an air gap is required.
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What is valley underlayment in a steep roof and which material does it consist of? Is it installed over or under roof underlayment?
What will be an ideal response?
In the system in Figure E-13
and let the lowpass filter (LPF) be ideal with a frequency response magnitude of one in its passband.
(a) Find the signal power of yt(t).
(b) Find the signal power of yd(t).
(c) Find the signal power of yf(t) if the cutoff frequency of the LPF is 1 kHz.
(d) Find the signal power of yf(t) if the cutoff frequency of the LPF is 100 Hz.
A slide hammer has been fitted to an injector seized in a cylinder head, but will not pull it. What should be done?
A. drive injector downward into cylinder B. heat injector with an oxy-acetylene torch C. pull cylinder head, drive injector upward D. drill and pull injector with a screw extractor
Gaskets are used to prevent leaks between ____________________ components.
Fill in the blank(s) with the appropriate word(s).