What is an OBD II warm-up cycle, and how is it defined?
What will be an ideal response?
An OBD II warm-up cycle is defined as a trip in which the engine temperature increases by at least 40°F (22°C) and reaches 160°F (70°C) during one key-on-engine-running (KOER) cycle.
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Saturated water with a quality of 0.25 and a temperature of 300°F enters an uninsulated diffuser at a velocity of 510 ft/s. The mass flow rate is 5.2 lbm/s.
(a) If the water is to exit as saturated water vapor at a temperature of 300°F, with a velocity of 25 ft/s, determine the necessary heat transfer rate. (b) Using your model of a diffuser, determine the necessary heat transfer rates for the flow to exit as a saturated substance with qualities ranging from 0.40 to 1.0. (c) Using your model of a diffuser, determine the necessary heat transfer rates for the flow to exit as a saturated vapor at 300°F, with exit velocities ranging from 0 ft/s to 300 ft/s. Given: Water: x1 =0.25; T1 = 300°F; V1 = 510 ft/s; x2 = 1.0; T2 = 300oF; V2 = 25 ft/s;m?=5.2 lbm/s What will be an ideal response?
When a country's quantity supplied exceeds its quantity demanded for any given price, then this indicates the country has
A) Excess supply. B) Import demand. C) Excess demand. D) None of the above
The crescent design can be viewed
a. from the top only c. from the back side b. from one side only d. from one or both sides
The line side interfaces found in a metro SONET mux ranges between ________ and ________
Fill in the blank(s) with correct word