Si el aislamiento de caucho original de un empalme recto tiene un espesor de 1/4" (0,64 cm), ¿cuál es el tamaño MÍNIMO que debe tener después de que se lo aumente?
a. 1/8"
b. 5/16"
c. 3/8"
d. 1/2"
c. 3/8"
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The test report specifies the test pressure and how long it must be maintained for hydrostatic testing. If it does not, the test pressure must be at least _____ times the maximum design pressure of the installation.
a. one and one-half b. two c. two and one-half d. three
Match the grading system to the terminology
a. U.S. No. 1–4 and U.S. Utility b. Yield Grades 1–5 c. Prime, Choice, Select, Standard, Utility d. Prime, Choice, Good, Utility, Cull 14. Slaughter cattle—Quality grades 15. Feeder pigs—Quality grades 16. Slaughter lambs—Quality grades 17. Slaughter cattle—Yield grades
Why is it possible to vary the output voltage by controlling either the speed of the prime mover or the strength of the magnetic field?
What will be an ideal response?
Seals are used to prevent leakage between moving parts.
Answer the following statement true (T) or false (F)