When building a stair with a total rise of 7?-7?, the number of risers required and their unit rise is _____
A) 11 risers, each 7-1/2? high
B) 12 risers, each 7? high
C) 13 risers, each 7? high
D) 14 risers, each, 7-1/4? high
Answer: C
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In certain applications, the function of a part requires defining the circular runout deviation of a diameter relative to a datum axis. In this application, the ____________________ must meet its size requirements.
Fill in the blank(s) with the appropriate word(s).
Answer the following statement(s) true (T) or false (F)
1. The duty cycle is the amount of time that a specific electrical load operates. 2. A phantom load is a load type that draws a large amount of current, even when the load is “OFF”. 3. If the building’s loads change significantly over the course of a year, it is acceptable to use the month with lowest insolation as the design month. 4. In a standard charge controller, all of the system components have the same voltage. 5. A common assumption in most stand-alone PV system installations is that the wiring from module to module and from the array modules to the combiner box is the same size as the wire leads that were installed on the PV modules by the manufacturer.
Mechanical fade is NOT a problem with disc brakes because ________
A) Disc brakes have a relatively small swept area B) Disc brake use power boosters C) The brake rotor expands toward the brake linings as it heats up D) Disc brake pads have a lower friction coefficient
The mechanical engineer's 50 scale is for scaling dimensions that require additional accuracy, because each inch has 50 divisions, making each increment .05 in. (1 ¸ 50 = .05).
Answer the following statement true (T) or false (F)