What type of wrench should typically be used on the screws on fan pulleys and fan blade hubs?

What will be an ideal response?


Allen wrench

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Los circuitos individuales del cuadro de distribución portátil que alimentan al equipo de iluminación incandescente con lámparas de menos de 300 W deben protegerse mediante dispositivos de protección contra sobrecarga de corriente de _____ o menos.

a. 15 A b. 20 A c. 30 A d. 50 A

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Liquid entering the compression chamber of a reciprocating compressor can lead to ____.

A. damaged valves B. damaged piston rings C. damaged expansion valves D. Both a and b.

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Using the diagram, determine the measure of ?8. 

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Technician Asays that an ammeter should be connected in parallel to the circuit being tested. Technician B says that an ammeter is used to measure current flow. Who is correct?

A. Technician A only B. Technician B only C. Both Technician A and B D. Neither Technician A nor B

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