?Figure 37-2:
Use Figure 37-2. Doubling the wind turbine output from 200 W to 400 W will require how much of an increase in wind speed??
Fill in the blank(s) with the appropriate word(s).
About 4 mph.
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When inverse tracking a curved surface, the minor axis of the isometric ellipse will have a length of ____________________ units for a unit diameter circle.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements about a binary mixture vapor-liquid equilibrium (VLE) is false?
A. The bubble point pressure for the mixture can never be above the pure component vapor pressures at mixture temperature. B. Knowledge of the location of an azeotrope in a system is important in the design of separation processes for this system. C. For a system behaving according to Raoult’s Law, the bubble-point pressure will be a line connecting the vapor pressures of the pure components. D. The assumptions of Raoult’s Law are ideal solution for the liquid phase and ideal gas for the vapor phase. E. None of the above are false.
Which of the following modifications would alleviate refrigerant migration in a long-line system?
A) Removing any compressor crankcase heaters B) Adding a compressor hard-start kit C) Reducing refrigerant charge D) Adding a liquid line solenoid
Opening the secondary of a CT under load will cause a dangerous level of _____
a. induced high voltage b. induced high current c. high impedance d. low impedance