The ____ is an ornamental shelf or structure that is built above a fireplace opening.
A. cornice
B. crown
C. mantel
D. wainscot
Answer: C
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Since one concrete block measures _____ in height including the mortar joint, _____ the height expressed in inches to find the number of blocks of which the height consists.
A. 6.75 inches; divide7 into B. 8 inches; divide 8 into C. 8 inches; multiply 0.8 by D. 10 inches; multiply .010 by
ELISA is a blood test that:
A) detects the FeLV virus in the saliva B) detects the FeLV virus in the feces C) detects the FeLV virus in the blood D) must be sent out to a diagnostic laboratory
When first setting up a new communicating control system:
A) The technician must connect a laptop to each device in the network. B) The technician enters the control code on each individual component access screen. C) The technician must enter the communicating address and function of each component in the system. D) The system automatically scans the network for connected devices.
A biflow expansion valve:
A) Can be used with two different refrigerants. B) Is designed to allow refrigerant flow in both directions. C) Has both a low flow and a high flow setting. D) Provides flow out of two ports simultaneously, eliminating the need for a refrigerant distributor.