In Tandem compound casing a _________ casing are directly coupled together to a generator.
A. single
B. multiple
C. two
D. none
Answer:A
In Tandem compound casing a _________ casing are directly coupled together to a generator.
A. single B. multiple C. two D. none
Explanation: In tandem compound casing two or more casings are coupled together to a driven generator.