The subsequent problems deal with the partial quadrature decoder circuit below:
If A goes from HI to LO while B is LO, the value on the CCW line will
A. experience a full pulse
B. stay at or become LO
C. not change in any case
D. stay at or become HI
Answer: B
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During the heating season, the vapor pressure of the inside air in a typical dwelling in the northern United States is
A) lower than the outside air. B) the same as the outside air. C) greater than the outside air.
An ideal gas with CP = (7/2)R and molecular mass of 28 kg/kmol enters a steady state nozzle at T = 500 K and P = 0.5 MPa. The entering stream has a negligible velocity but the exiting stream is travelling 100 meters per second. What is the temperature of the exiting stream?
A. 504. K B. 495. K C. 328. K D. 493. K E. Insufficient information to solve
The Council of Air Conditioning and Refrigeration Educators (CARE):
A) Issues a list of approved NATE and ICE testing centers. B) Provides a list of approved textbooks and study materials for HVACR secondary and post-secondary training programs. C) Promotes best educational practices for HVACR schools to meet or exceed the needs of the industry. D) Approves course content taught by HVACR secondary and post-secondary trade schools.
How many engineered-size bricks are needed to build a single-wythe brick wall 46' long and 20' tall?
What will be an ideal response?