One basic rule a technician must follow while searching for a leak is to:
A) Use one leak method and move on.
B) Work quickly before the leak disappears.
C) Start by injecting a sealing compound into the system.
D) Have patience.
D
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Which of the following motors is used where the required starting torque is high and speed control is desirable?
a. Brushless b. Compound c. Series d. Shunt
Use MATLAB to find the voltages at nodes a, b, c, and d in the circuit of Fig. 3.77.
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Derive the s-domain expression for the t parameters of the circuit in Fig. 19.104.
 figure 1.png)
Which of the following statements about a chain hoist is correct?
a. A chain hoist and a ratchet-lever hoist are the same thing. b. A sling should always be used with a chain hoist. c. A chain hoist and a chain fall are not the same thing. d. They are designed so that the chain can be wrapped around the load.