SENTENCED. Arch A. Moore Jr., 67, former Governor of West Virginia; to five years and 10 months in prison and a $170,000 fine; after he admitted guilt to federal charges of mail fraud, extortion, obstruction of justice and filing false income tax returns; in Charleston, W. Va. Moore admitted to taking a $573,000 bribe from a coal operator, receiving illegal contributions of at least $100,000 to his 1984 campaign and trying to cover up the evidence, and using his office to give political favors to campaign donors.