Tube pitch is the __________ of tube diameters and the clearances. (A) Sum (B) Difference (C) Ratio (D) None of these

Tube pitch is the __________ of tube diameters and the clearances.
(A) Sum
(B) Difference
(C) Ratio
(D) None of these
by

1 Answer

Answer :

(A) Sum
by

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When electrical cables penetrate watertight bulkheads, _______________. A. they should be grounded on either side of the bulkhead B. they must be bent to a radius of six diameters C. a watertight stuffing tube capable of accepting packing should be employed D. they should be secured by a clamp

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