Technician A says that as pump discharge pressure increases, internal leakage decreases. Technician B says that internal leakage is caused by back pressure. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: B
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The maximum operating temperature for duct wrap insulation is _____.
a. 200°F (93°C) b. 250°F (121°C) c. 300°F (149°C) d. 375°F (191°C)
Answer the following statement(s) true (T) or false (F)
1. Although the BJT became the first popular transistor in industrial applications, the FET would later prove to have more advantages over its BJT counterpart. 2. Since the JFET is a voltage-controlled device, there really can be any amount of current through the gate. 3. A JFET can only be used as a high-speed switch, not as an amplifier. 4. We don’t usually measure current values when designing or troubleshooting circuits; we measure voltages at certain locations in a circuit or stage (often called test points). 5. The insulating material in MOSFETs is thin but it is immune to electrostatic discharge, or ESD, which is commonly called static electricity.
Compression, bending, torsion, and shear are examples of the types of ____ used on welds.
A. welding processes B. weld strength designations C. destructive tests D. strengthening of joints E. none of the above