4/8 is the same as _____.?
A. 1/4?
B. 1/8?
C. 1/2?
D. 1/16?
Answer: C
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In a sound absorption type muffler, what is sonic energy converted to?
A. friction, then heat B. mechanical vibration C. pressure D. noise
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Air is heated from 20°C to 100°C. Determine the change in specific internal energy and the change in specific enthalpy for the air, assuming ideal gas with constant specific heat behavior.
Given: T1 = 20°C; T2 = 100°C What will be an ideal response?
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Un único cambio de dirección de menos de 90 grados se denomina:
a. codo estándar. b. desvío. c. codo en caballete. d. acodamiento obtuso.
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Electronic leak detectors for R-1234yf should meet:
A) J2297 B) J2298 C) J2913 D) J1628
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