Design a double-reduction gear train
Design a double-reduction gear train that will transmit 7.45 kW from an electric motor running at 1750 rpm to an assembly conveyor whose drive shaft must rotate between 146 and 150 rpm.
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The free convection heat transfer coefficient on a thin hot vertical plate suspended in still air can be determined from observations of the change in plate temperature with time as it cools.
A battery of emf 10 V and internal resistance 3 Ω is connected to a resistor. If the current in the circuit is 0.5 A, what is the resistance of the resistor? What is the terminal voltage of the battery when the circuit is closed?
Design a worm gear set to reduce the speed of a 1475 rpm electric motor to approximately 60 rpm and apply 170 Nm torque to output shaft.
What is the resistivity of the material at the temperature of the experiment?
The ages of the actresses when they won an acting award is summarized by the statistics n=80, x= 35.8 years, and s=11.1 years. Use a 0.01 significance level to test the claim that the mean age of actresses when they win an acting award is 34 years
A computer CPU chip operates at steady state with D-C electrical input of 4.5 amps at 9 volts.The electrical work input needed for 24 hours of operation?
Compute the value of the test statistic. What is your decision regarding the null hypothesis? Interpret the result.
A which settles after a few seconds toa steady value of 2.8 A. What is the steady temperature of the heating element if the room temperature is 27.0 °C? Temperature coefficient of resistance of nichrome averaged over the temperature range invo
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