Which of the following is a form of electrical heat energy?
A. Nuclear
B. Chemical
C. Flashover
D. Arcing
Ans: D. Arcing
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Cuando se finaliza una tarea de corte y el equipo de oxigás ya no es necesario, el primer paso para apagar el equipo de corte oxigás es _____.
a. retirar los tornillos de ajuste del regulador de gas combustible y de oxígeno b. abrir la válvula del soplete de gas combustible c. cerrar la válvula del cilindro de gas combustible d. abrir la válvula del soplete de oxígeno
What is a vertical rack used for?
What will be an ideal response?
What is a good height for lawns to be mowed?
a. 21/2 to 4 inches c. 1 to 21/2 inches b. 3 inches d. 3 to 5 inches
The National Fire Protection Association (NFPA) is a not-for-profit organization that was established in 1896 to provide codes and standards to reduce the burden of fire.
a. True b. False