What is the diameter of a circle with a circumference of 7 inches? Round to the nearest hundredth inch.
A. 2.22
B. 2.23
C. 2.24
D. 2.25
Answer: B
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Ceramic linings are organic linings with sponge iron and steel fibers mixed into them to add strength and temperature resistance.
Answer the following statement true (T) or false (F)
Answer the following statement(s) true (T) or false (F)
1.Service conductors are considered outside of a house when they are installed under at least 2 inches (50 mm) of concrete beneath a house; where installed in a conduit under at least 18 inches (450 mm) of earth beneath a house; or where they are installed in rigid metal conduit (RMC) or intermediate metal conduit (IMC) when used as a service mast that extends through an eave. 2.A coupling connecting two conduits together for a service mast can be located above the last point of securement to the house. 3.Grounding electrode conductors in contact with the earth do not need to comply with the Section 300.5 rules for burial depths when being installed underground but need to be buried or otherwise protected if they are subject to physical damage. 4.If a concrete-encased electrode is used, the end of the 4 AWG copper conductor or the end of the re-bar (whichever is used) can be extended from its location in the concrete to an accessible location above the concrete. 5.A supplemental grounding electrode is a grounding electrode used to “back-up” a metal water pipe grounding electrode.
A truck equipped with air-over-hydraulic brakes has illuminated a dash-warning light indicating excess brake lining wear. What would generate this signal?
A. the brake system ECU B. the rear drums C. ABS sensor D. brake pedal
____ is the horizontal (front to back) distance between two features in frontal planes.
A. Width B. Depth C. Height D. Length