1.

If L represents torque, and the subscripts T, o, f, b denotes the turbopump, oxidizer pump, fuel pump and bearings respectively, then which of the following expressions is true when there are no gears in a particular turbopump?

A. L<sub>T</sub> = L<sub>o</sub> + L<sub>f</sub> + L<sub>b</sub>
B. L<sub>T</sub> = L<sub>o</sub> x L<sub>f</sub> x L<sub>b</sub>
C. L<sub>T</sub> = L<sub>o</sub> = L<sub>f</sub> = L<sub>b</sub>
D. L<sub>T</sub> = L<sub>o</sub> = L<sub>f</sub> L<sub>b</sub>
Answer» B. L<sub>T</sub> = L<sub>o</sub> x L<sub>f</sub> x L<sub>b</sub>


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