What is the purpose of the uropygial gland?
What will be an ideal response?
The uropygial gland produces oils used in preening the feathers.
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An engineering student has been given the assignment of designing a hydraulic holding system for a hay-baling system. The system has four cylinders with 120 mm diameter pistons with a stroke of 0.320 m. The lines connecting the system are 1 cm id (inside diameter). There are 15.5 m of lines in the system. For proper design, the reserve tank should hold a minimum of 50 percent more than the amount of hydraulic fluid in the system. If the diameter of the reserve tank is 30.48 cm, what is the shortest height it should be?
What will be an ideal response?
Automotive repair and maintenance make up ________ percent of the total number of auto techs in the United States.
A) 3 B) 44 C) 1 D) 31 E) 21
When you are moving files, using the -o option with the mv command can be a good idea so that you don't unexpectedly overwrite a destination file with the same name.
Answer the following statement true (T) or false (F)
The pressure-reducing valve is responsible for
A) controlling the hot-water circulator. B) adding makeup water to the boiler. C) retrieving makeup water from the boiler. D) condensing water vapor.