In a 2-ton capillary tube system, the unit does not develop full capacity. Head pressure is low and suction pressure is high. What is the problem?
What will be an ideal response?
The problem is an inefficient compressor.
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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?
If you are using the Bash shell, what scripts are run automatically when you log in?
What will be an ideal response?
Why is the cost of owning a green building often less than the cost of owning a conventionally constructed building?
A) Green buildings typically cost less per square foot to construct. B) Green colors reflect excess heat away from the building. C) Mortgage rates for green construction are subsidized by the federal government. D) The utility and maintenance costs are less.
Which of the following is not part of the SS-7 message format used to carry information about the call being placed?
A) originating telephone number B) originating switch address C) the next node the message will travel to, with higher level addresses used to direct the message to the correct database D) terminating telephone number E) terminating switch address F) none of the above (all are part of the format) Indicate whether the statement is true or false