¿A qué temperatura el desempeño de la mayoría de la tela de fibra de vidrio utilizada para cubiertas extraíbles y reemplazables es óptimo?
a. 300 °F (148,89 °C)
b. 500 °F (260 °C)
c. 1000 °F (537,77 °C)
d. 1800 °F (982,22 °C)
c. 1000 °F (537,77 °C)
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A crankcase-pressure regulating valve can help prevent _____.
a. refrigerant overcharge b. rapid suction pressure fluctuations c. compressor crankcase pressurization d. compressor motor overload
One method a technician can employ to check a motor is to take amperage readings of a motor (both on start-up and after start-up) and compare them to the motor's nameplate.
Answer the following statement true (T) or false (F)
The gas phase reaction A + B ? C is carried out in a continuous, steady state reactor. Which of the following is NOT a valid way to increase the fraction of A and B that are converted to C at equilibrium?
A. Increase the pressure. B. Change the temperature such that the equilibrium constant of the reaction is higher. C. Add a catalyst to the reactor that will accelerate the reaction. D. Add a solvent to the reactor, in which C is highly soluble and A and B are slightly soluble. E. All of the above are valid.
Find the inverse Laplace transform of:
 figure 1.png)