When you drive in the mountains you will have to use lower gears to drive safely downgrades which of these does not affect your choice of gears
A. Weight of the load
B. Length of the grade
C. Tire tread type
Ans: C. Tire tread type
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Match the following terms to the correct meanings
a. deciduous e. forest b. evergreen f. shrubs c. conifers g. trees d. pulpwood 1. trees with needle-like leaves 2. trees that shed needles or leaves 3. trees that do not shed needles or leaves 4. trees, shrubs, and plants 5. wood used for making fiber for paper 6. woody perennial plants with a single stem 7. bushy woody plants with multiple stems
The vertical distance between contour lines is called the _________________________
Fill in the blank(s) with correct word
An existing liquefaction process produces 10 kg/s of liquid methane at steady state. Which of the following modifications to the process would be expected to decrease the total amount of work required to produce 10 kg/s of liquid methane?
A. Feed the methane at a higher flow rate. B. Use an inert carrier gas for the methane. C. Use a bigger pump in the process. D. Recycle the cold but not liquefied methane to chill the stream entering the flash chamber. E. None of these options
The physical quantity of force has
a. magnitude only. b. direction only c. both magnitude and direction d. neither magnitude nor direction