¿Qué método de monitoreo de sistemas de mantenimiento del calor usa un sello de extremo equipado con un LED?
a. Monitoreo de pérdida a tierra
b. Monitoreo de continuidad
c. Monitoreo de corriente
d. Monitoreo de temperatura
b. Monitoreo de continuidad
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The top view is positioned:
A. To the right and in line with the front view B. Directly over and in line with the right-side view C. Directly over and in line with the front view D. Wherever space allows
What material are electric heater coils often made from?
A) Steel and chrome alloy wire B) Nickel chrome alloy wire C) Silicon carbide D) Copper and brass
Reverse connection of a voltmeter in a dc circuit will cause
A) the meter to display current in amperes. B) a reading that is below scale or negative. C) the same reading as the normal connection, since meters are polarity insensitive. D) a reading equal to the reciprocal of the applied voltage.
What special property do most plants used for vegetated roofs have to conserve water?
A) Inorganic material B) Extended sepals C) Acidic nature D) Special metabolism