Problem 1.2 Two solid cylindrical rods AB and BC are welded together at B and loaded as shown. Knowing that the average normal stress must not exceed 150 MPa in either rod, determine the smallest allowable values of the diameters d1 and d2.
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A transducer is modeled with a current source Is and a parallel resistance Rs. The current at the terminals of the source is measured to be 9.975 mA when an ammeter with an internal resistance of 20 ? is used.
(a) If adding a 2-k? resistor across the source terminals causes the ammeter reading to fall to 9.876 mA, calculate Is and Rs. (b) What will the ammeter reading be if the resistance between the source terminals is changed to 4 k??
The silicon-controlled rectifier (SCR) is often referred to as a PNPP junction.
Answer the following statement true (T) or false (F)
Some high-performance tires have a(n) ____________________ which means that each tire can be installed on only one side of the car.
Fill in the blank(s) with the appropriate word(s).
What happens as a liquid changes to a vapor?
A. It greatly decreases in volume. B. It decreases in temperature. C. It greatly increases in volume. D. The volume remains the same.