A group of conductors that fit into one conduit may not fit into another type because the ____ of different types of conduit vary.
A. interfaces
B. spacing requirements
C. internal diameters
D. carrying capacity
Answer: C
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Jill has 220 sows. She has one-fifth of the sows farrowing at a time. The sows average 8.8 pigs per litter twice a year. She sells her pigs averaging 48 pounds for an average price of $78.50 per head.
a. How many sows are farrowing at a time? b. How many pigs are expected per farrowing? c. How many pigs per year are expected? d. What yearly income is expected from the sale of the pigs?
A CNC machine tool table is powered by a servo motor, lead screw and optical encoder. This lead screw has a pitch of 5mm and is connected to the motor shaft with a gear ratio of 16:1 (16 turns of the motor for one turn of the lead screw). The optical encoder is connected directly to the lead screw and generates 200 pulses per revolution of the lead screw. The table must move a distance of 100mm at a feed rate of = 500mm/min. Determine (a) pulse count received by the control system to verify that the table has moved exactly 100mm, (b) pulse rate, and (c) motor speed that corresponds to the feed rate of 500mm/min. If the range of the work table axis is 500mm and there are 12 bits in the binary register used by the digital controller to store the position, determine the control resolution.
What will be an ideal response?
The future worth in year 8 for the cash flows shown is $20,000. At an interest rate of 10% per year, what is the value, x, of the cash flow in year 4?
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Describe directional gain and how it can be accomplished with a passive antenna.
What will be an ideal response?