It is correct and usable in written English.
You could use it when talking about someone's occupation or deeds. For example: "John Smith served as a general in the army and was highly respected."
Microsoft suggested Franklin Fite, who served as a general manager and director in eight years at Microsoft.
Mr Yudhoyono served as a general in the Suharto years and has trodden carefully when confronting the worst excesses of that time.
Like Hun Sen himself, Meas Muth defected from the Khmer Rouge and later served as a general with the Cambodian People's Party.
In 1992 95 he served as a general staff officer in the country's War Office (defense department), and by 1997 he had been promoted to brigadier general while he headed an army unit in eastern Shan state.
What matters is that, one summer, Mr. Schwartz served as a general in a sports contest known until recently as "the color war," a three-day, all-out competition that splits the camp into two rival teams: blue and gold.
Mr. Hamid retired from Wellington Associates in 1972 where he served as a General Manager of a chain of 24 hotels located throughout the United States, including the St . Regis Gotham & McAlpin and Stanhope Hotels in New York City.
As such, it has served as a general-purpose imaging agent for the detection of breast cancer, but these same characteristics also result in uptake in benign lesions and conditions such as fibroadenomata, papillomas, areas of inflammation, necrosis, and benign fibrocystic changes [32, 33].
CO1 sequences were generated with a custom set of primers designed to serve as a general primer set for diphyllobothriid CO1 amplification.
The last of those to serve as a general manager was Lee MacPhail in 1974.
"I believe the most important contribution I can make is to serve as a general adviser to you," Mondale wrote.
The same expression also serves as a general execution time model of an RA implementation.
