What is the intended operating height of the bolster plate on most trailer upper couplers in highway use?
A. 42 inches
B. 47 inches
C. 50 inches
D. 60 inches
B. 47 inches
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__________ is required by the plant in amounts second only to nitrogen and has numerous functions in a plant
Fill in the blank(s) with correct word
Water with a pH higher than 7.0 is ____
A) acid B) flavored C) alkaline D) neutral
Of the different power values in an RL circuit, which one is known as apparent power?
A. VA B. VARs C. W
Air is located in a piston-cylinder device. The diameter of the cylinder is 12 cm, the mass of the piston is 5 kg, and the acceleration due to gravity is 9.80 m/s2. The local atmospheric pressure is 100.5 kPa. Determine the mass of a set of weights that needs to be added to the top of the piston so that the absolute pressure of the air in the cylinder is 250 kPa.
Given: D = 12 cm = 0.12 m; m = 5 kg; g = 9.80 m/s2; Patm = 100.5 kPa; P = 250 kPa What will be an ideal response?