The following statements are all correct EXCEPT ________
A) Superchargers may be powered by gears, chains, or shafts
B) The roots supercharger is a positive displacement pump
C) Not all of the air that enters a centrifugal supercharger is forced through the unit
D) The supercharger output is the same regardless of engine speed
D
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When verifying a position tolerance ____________________, a measurement system that provides a numerical value for a measurement is typically used.
Fill in the blank(s) with the appropriate word(s).
Saturated liquid water at 200 kPa enters an insulated mixing chamber at a rate of 15 kg/s. The water is mixed with superheated steam at 200 kPa and 125°C. The combined flow will exit as a saturated mixture at 200 kPa. Using your mixing chamber model to calculate the data, plot the quality of the combined exit flow for superheated steam entrance flow rates ranging from 5 kg/s to 200 kg/s.
State 1: Liquid inlet; State 2: Steam inlet; State 3: Outlet Given: P1 = P2 = P3 = 200 kPa; x1 = 0.0; T2 = 125°C; x3 = 1.0; m?1= 15 kg/s Assume: Q?=0 (insulated). Given no other information regarding the mixing chamber, make the following common assumptions: W?=?KE=?PE=0 Also, assume the mixing chamber is a multiple-inlet, single-outlet, steady-state, steady-flow device. What will be an ideal response?
It is estimated that 75 percent of the _____'s diet is earthworms
a. woodcock b. prairie chicken c. ruffed grouse d. spotted grouse
Waviness width, roughness width, flaw, roughness height, and roughness width cutoff are all characteristics of ____.
A. casting surfaces B. surface finish characteristics C. machined surfaces D. both a and c E. none of the above