In an ideal application, the rate of heat production by the heat source would ____ the rate of heat by the heat emitters.
a. exactly match
b. exceed
c. remain lower than
d. depend on
a. exactly match
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Air enters a diffuser with a pressure of 200 kPa, a temperature of 50oC, and a velocity of 250 m/s. The inlet of the diffuser is circular, with a diameter of 2.5 cm. The exit velocity is 20 m/s. Plot the exit temperature for heat transfer rates ranging from -20.0 kW to 20.0 kW. Repeat the calculations for an outlet velocity of 100 m/s.
Given: Air, P1 = 200 kPa; T1 = 50oC = 323 K; V1 = 250 m/s; D1 = 2.5 cm = 0.025 m; V2 = 20 m/s; and V2 = 100 m/s What will be an ideal response?
What is the difference between the following two grades for automotive diesel fuel: Grade number 1-D and Grade number 2-D?
What will be an ideal response?
In which of the following applications would a hydromechanical port-helix metering pump be found in an EPA MY 2016 compliant onhighway application??
A. ?Pick up and delivery van B. ?Reefer powerplant C. ?LTL tractor D. ?Linehaul tractor
The ____________________ laws state that the energy required to drive fans or pumps (motors used for moving volumes of air or water) is proportional to the cube of the speed.
Fill in the blank(s) with the appropriate word(s).