What is used as the sensing element in a mechanical humidistat?
A) A nylon ribbon or hair B) A coiled piece of hygroscopic metal
C) Mercury D) A sensing bulb filled with water
A
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You know the infinite dilution activity coefficients in a mixture are as follows: ?_1^? = 1.68 and ?_2^? = 1.25. What would be the most reasonable values for the parameters of this system according to the 2-parameter Margules equation?
A. A12 = 1.68; A21 = 1.25 B. A12 = 1.47; A21 = 1.47 C. A12 = 1.25; A21 = 1.68 D. A12 = 5.37; A21 = 3.49 E. A12 = 0.519; A21 = 0.223
A bayonet clip in the stone cladding industry refers to ________.
A) lateral-load support. B) dead-load support. C) flashing retainer. D) none of the above.
A favorite among professional technicians is the combination wrench, which includes a box wrench and an open-end wrench on one end or the other.
Answer the following statement true (T) or false (F)
The animal's _____ will need to be clipped before showing.
Fill in the blank(s) with the appropriate word(s).