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Class B TradeCore Tradesmedium29% of exam part

A pump motor is listed as 2 horsepower, and the coordination table asks for watts. Using 746 watts per horsepower, what is the approximate motor power?

Correct Answer

B) 1,492 watts.

Two horsepower multiplied by 746 watts per horsepower equals about 1,492 watts.

Answer Options
A
746 watts.
B
1,492 watts.
C
2,238 watts.
D
3,000 watts.

Why This Is the Correct Answer

Two horsepower multiplied by 746 watts per horsepower equals about 1,492 watts.

Why the Other Options Are Wrong

Option A: 746 watts.

746 watts. is below the supported result for mechanical and electrical coordination; it likely omits allowance, conversion, coverage, or final round-up.

Option C: 2,238 watts.

2,238 watts. is above the supported result for mechanical and electrical coordination; it likely double-counts allowance, uses the wrong unit, or rounds too early.

Option D: 3,000 watts.

3,000 watts. is above the supported result for mechanical and electrical coordination; it likely double-counts allowance, uses the wrong unit, or rounds too early.

Memory Technique

Mechanical And cart for Coordinating Equipment: horsepower first, multiplied second, whole units last.

Reference Hint

Study anchor (closed-book): memorize Mechanical and electrical coordination from 2025 California Mechanical Code and 2025 California Electrical Code. / Title 24 California Mechanical/Electrical Code equipment coordination; know the rule or calculation trigger without relying on exam-room lookup.

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