Two technicians are discussing loosening a stuck bleeder valve. Technician A says to use a 6-point wrench and simply pull on the wrench until it loosens. Technician B says that a shock is usually necessary to loosen a stuck bleeder valve. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
B
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Rounding to 2 decimal places, 470 gal. = ?
A. ?0.13 cu. ft. B. ?62.83 cu. ft. C. ?470.13 cu. ft. D. ?3,515.86 cu. ft.
What identifying notations must be included on a bid?
a. client's name and address c. date of preparation b. name of the estimator d. All answers are correct
Technician A says that the primary coil has more windings. Technician B says that the secondary coil has more windings. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
In a fluid mechanics class, mechanical, civil, or chemical engineering students will learn about viscosity. The value of viscosity of a fluid represents a measure of how easily the given fluid can flow. The higher the viscosity value is, the more resistance the fluid offers to flow. For example, it would require less energy to transport water in a pipe than it would to transport motor oil or glycerin. The viscosity of many fluids is governed by the Newton's law of viscosity ???? = ???? x du/dy , where ???? is shear stress (N/m2), ???? is viscosity, du is change in flow speed (m/s) over a height dy (m). What are the appropriate units for viscosity?
What will be an ideal response?