In attics not accessible by permanent stairs or ladders, Type NM cable installed across the top of floor joists within __________ of the scuttle hole must be protected by means such as guard strips.
a. 3 feet
b. 5 feet
c. 6 feet
d. 7 feet
c. 6 feet
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When a valve cam ramps from base circle to outer base circle, what is happening to the valve?
A. it is stationary B. it is opening C. it is closing D. it is fully open
Which of the following information is required on the label of a wire rope sling?
a. Steel alloy type
b. Rated load for at least one possible hitch and the angle on which it is based
c. Manufacturer contact information
d. Most recent periodic inspection date
A signal x(t) has a CTFT 
(a) What is the total net area under the signal x(t) ?
(b) Let y(t) be the integral of x(t), 
What is the total net area under y(t)?
(c) What is the numerical value of |x(f)| in the limit as 
Find the Thévenin equivalent of the network seen by the 3-? resistor in Figure P3.52. Use it and voltage division to find the voltage v across the 3-? resistor.
