The first jack rafter should be a full space (____ inches) from the bottom of the hip or the top of the valley.
A. 4 or 8
B. 8 or 16
C. 16 or 24
D. 24 or 36
Answer: C
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Answer the following statement(s) true (T) or false (F)
1. In a residential occupancy, all circuits are connected with two- or four-conductor cable. 2. The term double-throw means that the switch will make connection with a stationary contact when moved or thrown in either of two directions. 3. When making three-way switch connections using two, three, or four conductor cables, it is permissible to connect any of the conductors to the hot conductor. 4. Four-way switch connections are actually made with two- and three-conductor cable. 5. The National Electrical Code requires that neutral, or grounded, conductors be white or yellow.
Spool valves are sometimes used as a fluid pressure control device.
Answer the following statement true (T) or false (F)
Of the sunlight reaching the earth, how much is used to produce sugars in photosynthesis?
A) 5% B) 25% C) 15% D) 50%
A wiggler is a:
A) Spring loaded, scribe like indicator that can be trued to center by pushing on a ball near its point B) Shop term for a workpiece without clamps that has caught in a drill and is spinning around C) Device like a fishing lure that indicates approximate RPM of the drill D) Hold down device that allows the workpiece to "wiggle" until it is centered under the drill spindle