What is the usability designation number of a stainless-steel electrode that has a lime coating, is the most

resistant to moisture, and tends to produce less porosity?

a. -15
b. -16
c. -17
d. -26


a

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Defi ne biotechnology and give examples of traditional biotechnology and molecular biology-based biotechnology.

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A dc shunt motor drives a centrifugal pump at a speed of l000 rpm when the terminal voltage and line currents are 200 V and 50 A, respectively. The armature and field resistances are 0.1 ? and 100 ?, respectively.

a. Design a starting resistance for a maximum starting current of 120 A in the armature circuit. b. What resistance should be added to the armature circuit to reduce the speed to 800 rpm? c. If the terminal voltage is reduced by 25%, what is the speed of the motor?

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What is a zero resistance situation called?

A. Short circuit B. Open circuit C. Polarity D. Voltage drop

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Triangulated Irregular Networks (TINs) are used in 2D flat plan layouts

Indicate whether the statement is true or false

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