If a machine has an equalizer bar it will:
a. ensure both tracks turn at the same speed during straight travel b. make removing the track frame easier
c. allow the track frames to pivot slightly
d. keep the track frames rigid at all times
C
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Given a cable tray that is available in standard widths of 6, 12, 18, 24, and 36 inches, what is the minimum width of a 3-inch deep cable tray used for the following cables that are all 4/0 or larger: two with 1.5-inch diameter; three with 1.75-inch diameter; and two with 2.5-inch diameter?
a. 6 inches b. 12 inches c. 18 inches d. 24 inches
A one-ton window air conditioner (12 000 Btu/h) is installed in a mobile home. If all the following appliances were operating for one hour, what fraction of the unit’s capacity would be needed to remove the heat generated by four 150 W lamps, six 100 W lamps, two 75 W lamps, a 500 W refrigerator, an 900 W oven, and four people watching TV (120 W)? How many kilowatt-hours of electric energy are used during each hour for these conditions? What is the hourly cost to the mobile home owner if electricity costs $0.10/kWh? Note: The average heat output of a person at rest is 480 Btu/h.
What will be an ideal response?
The ____ of a pump is the rate at which the hydraulic fluid is supplied to a system from the pump in a specified amount of time.
A. delivery B. flow C. operating pressure D. actual displacement
If the most significant bit (MSB) of a four-bit binary-weighted resistor D/A converter connects to a 1.2 k? resistor, which resistor is needed for the least significant bit (LSB)?
A) 120 k? B) 2.4 k? C) 4.8 k? D) 9.6 k?