Question 13 5 pts An electric motor delivers 67-HP mechanical power when its shaft turns at...
A DC motor supplied from 12 V draws 1.25 amps and turns at 1200 RPM when the load torque is 0.1 N.m. What is the efficiency in percent?
Question text A water pump delivers 6 hp of shaft power when operating. The pressure differential between the outlet and the inlet of the pump is measured to be 1.2 psi when the flow rate is 10 ft3/s, and the velocity changes to 5 ft/s from 2 ft/s as the water passes through the pump. Determine the mechanical efficiency of this pump assuming the water density to be 62.4 lbm/ft3 (written in decimal form with 3 significant figures).
QUESTIONS Question-3: Draw "speed vs. torque" curve using data in Table-1. The completed graph represents the speed vs. torque characteristics of a typical DC shunt-wound motor. Terax Question-4: Calculate the speed regulation (full load - 12 lbf.in) using the equation: 2-143) 143 (no load Regulation (full load speed) Speed regulation- % Part-II - Motor Efficiency Calculation: Set the dynamometer control knob at its full CW position (to provide the maximum starting load for the shunt-wound motor). Turn on the power...
Question 7 5 pts The motor shown below turns the disk with an angular velocity ofw = (5t² + 3t) rad/s wheret is in seconds. Determine the magnitude of the velocity of point A (in m/s) on the outer edge of the disk when t = 3 seconds. 150 mm 0 A