_The diameter of a cylindrical shell of a Scotch marine boiler varies – McqOptions

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1.	_The diameter of a cylindrical shell of a Scotch marine boiler varies from$?
A.	1.5 to 2 m
B.	2.5 to 3.5 m
C.	3.5 to 4.5 m
D.	None of these
Answer» C. 3.5 to 4.5 m

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