A cardboard spool of ribbon is called a

a. bolt c. reel
b. heavy ribbon d. skein


A

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In present-day construction, brick trimmer arches are seldom used because they require more time to install.

Answer the following statement true (T) or false (F)

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Why are centrifugal pumps used more often than positive displacement pumps?

A) They are more effective B) They are less expensive C) They require more space D) They are more complex to operate

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Briefly explain the fundamental principles which make the compression refrigeration cycle work

What will be an ideal response?

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If the resonant frequency is 1 MHz and Q = 50, f1 = ________ and f2 = ________

A) 0.98 MHz, 1.02 MHz B) 0.99 MHz, 1.02 MHz C) 0.98 MHz, 1.01 MHz D) 0.99 MHz, 1.01 MHz

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