If 30 oz. of refrigerant are to be added to a refrigeration system and the supply cylinder weighs 26 lb. 4 oz. before any is added, what will the supply cylinder weigh after the system has been charged?
A. 22 lb. 8 oz.
B. 24 lb. 6 oz.
C. 24 lb. 8 oz.
D. 22 lb. 4 oz.
Answer: B
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The tendons used for prestressing a PT concrete slab-on-ground generally consist of
A) two-strand tendons, each strand made of seven wires. B) a single 1/2-in.-diameter, seven-wire strand. C) a single 1/2-in.-diameter, nine-wire strand. D) three -strand tendons, each strand made of seven wires. E) none of the above.
El resultado de dos acodamientos obtusos en direcciones opuestas en un tramo de tubería eléctrica producirá un/a:
a. desvío. b. codo de radio amplio. c. codo concéntrico. d. acodamiento.
____ are used as door lock actuators, flow control devices such as injectors, and several other applications requiring fast response.
A. Solenoids B. Amplifiers C. Rectifiers D. Potentiometers
The cost of the OEM replacement rail and reinforcements is $790, and a 7-hour labor time is allowed. A recycled sectional assembly is available for $450—it will take 5 hours to trim it up and an additional 6 hours to install it. With a prevailing labor rate of $45 per hour, which is the more economical repair route to follow?
What will be an ideal response?