The boiler system component that monitors water temperature and possibly controls water circulation is the
_____.
a. water level control
b. zone control
c. makeup water valve
d. aquastat
d
You might also like to view...
¿Cuál de las siguientes afirmaciones es cierta respecto de las evaluaciones del grupo?
a. Nunca deben sorprender al trabajador que se evalúa. b. Se deben llevar a cabo formalmente cada tres meses. c. No se deben comunicar las opiniones sobre desempeño laboral hasta que se evalúe formalmente al grupo. d. Haga saber al grupo que la autoevaluación no es útil; lo mejor es esperar a la evaluación formal antes de hacer cambios.
Pure water has 1.4 times the heat-carrying ability of pure ethylene glycol, so water would be the best coolant to use if the only consideration in selection of a coolant was its ability to carry off heat. What are its other limitations?
What will be an ideal response?
Who discovered the relationship between electrical potential, current flow, and resistance in an electrical circuit?
A. Ohm B. Volta C. Watt D. Franklin
European monarchs spent most of their leisure time engaged in which activity?
a. attending theaters and concerts b. throwing extravagant balls c. hunting d. eating and drinking