The tub head on a floating head heat exchanger is firmly attached to the tube sheet.
a. true
b. false
Answer: A
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Plants with sessile leaves usually are ____________________ that die each year and come back from the seed
Fill in the blank(s) with correct word
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Which of the following means of estimating soil water levels gives a direct measurement of the water content?
A) gravimetric determinations B) pressure membrane C) gypsum blocks D) tensiometer E) neutron scattering
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Why are mushroomed chisel heads dangerous?
A) Chips may break off. B) The head becomes extremely bouncy. C) The mushrooms on the head make it slippery. D) The chisel is soft and rotten.
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A low refrigerant charge will cause a ____________________ suction pressure, which will ____________________ the compression ratio.
Fill in the blank(s) with the appropriate word(s).
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