In the accompanying figure, what is the slope of the cast iron pipe for every foot of run?
A. 1/16"
B. 1/4"
C. 1"
D. 4"
Answer: B
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A fillet weld should be built up to be ____ the thickness of the plate.
A. equal to B. half the thickness of C. slightly thicker than D. much thicker than
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?
Technician A says previous invoices from other shops and repairs may provide clues about a customer's complaint. Technician B says the technician should have prior permission to go through papers and the glovebox in a customer's car to look for previous service information. Who is correct?
A. Technician A B. Technician B C. Both A and B D. Neither A nor B
What is the lowest percentage of full capacity that a digital scroll can be safely operated for extended periods?
A) The digital scroll compressor can only operate at full capacity. B) The compressor can be operated at 0% by simply leaving the unloading solenoid energized. C) The digital scroll compressor cannot be operated below 50% capacity. D) The minimum capacity is 10% to ensure that the compressor gets proper lubrication.