A Hydraulic Pump Is Driven with an Electric Motor(see Figure

A hydraulic pump is driven with an electric motor(see figure below) . The pump must rotate at 1,000 rpm. The pump is equipped with a 6.0-in.-diameter belt pulley. The motor runs at 1,500 rpm. What diameter pulley is required on the motor?

A) 3 in.
B) 2 in.
C) 4 in.
D) 5 in.
E) 10 in.

Correct Answer:

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