In a parallel circuit, total power PT is calculated as:
A) P1 ÷ P2 ÷ P3 ÷ etc. B) P1 + P2 + P3 + etc.
C) P1 × P2 × P3 × etc. D) 1/P1 + 1/P2 + 1/P3 + etc.
B
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One of the members of the lapped joint is always prepared with a(n) ____ surface for a projection weld.
A. embossed B. beveled C. narrowed D. roughened
Service-entrance and overhead service conductors shall be arranged so that ____.
A. lightening rods will extend above them B. water shall not enter the service raceway or equipment C. sealed service head is not exposed D. the main body is supported by rigid masting
Particleboard is manufactured with wood chips, shavings and sawdust
Indicate whether the statement is true or false
When should a radial lip seal be replaced? Choose the best answer.
A. When it is discolored B. When it has nicks and/or small cuts C. Every 6 months D. Only when it is leaking