Unless otherwise specified, in a tall building the relief vents are commonly installed every _____.

a. 3 floors
b. 5 floors
c. 10 floors
d. 20 floors


c. 10 floors

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Describe block glass and how it is made.

What will be an ideal response?

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What is the total pulling tension when pulling a cable weighing 5 pounds per foot through a 500' conduit with a coefficient of friction of 0.35?

a. 176.75 b. 180 c. 875 d. 7,142

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____________________ is uniting metal parts by heating and/or compression

Fill in the blank(s) with the appropriate word(s).

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Refer to the system of Figure E.51 with a = 5 and b = 2.


(a) Write the differential equation for the system.
(b) The impulse response of this system can be written in the form,

(c) Is this system BIBO stable?

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