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In the proportioning pump, two speed pump has a non-synchronous _____ rpm motor.(a) 10 rpm(b) 30 rpm(c) 45 rpm(d) 15 rpmI got this question in class test.This interesting question is from Medical Diagnosis with Chemical Tests in section Clinical Laboratory Instruments of Biomedical Instrumentation

Answer»

Correct OPTION is (c) 45 rpm

Easiest explanation: Proportioning PUMPS are available either for single-speed or for two-speed operations. The single-speed pump has the capacitor synchronous gear head utilizing 10 rpm OUTPUT shaft at 50 Hz. The two-speed pump has a non-synchronous 45 rpm MOTOR.



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