The Senate yesterday confirmed the nominations of Thomas Gale Moore as a member of the Council of Economic Advisers and Terence Golden as head of the General Services Administration. Moore succeeds William A. Niskanen Jr., and Golden replaces Gerald P. Carmen.

Also approved was Francis Blake as an assistant administrator of the Environmental Protection Agency.

President Reagan nominated Charles A. Trabandt, counselor to the controller of the Interior Department, to be a member of the Federal Energy Regulatory Commission. Trabandt, who would succeed Georgiana H. Sheldon, previously served eight years as chief counsel and minority counsel of the Senate Energy and Natural Resources Committee and at the Central Intelligence Agency.

At the White House, Ralph C. Bledsoe, assistant director of management and administration of the Office of Policy Development, has been designated to be executive secretary of the White House Domestic Policy Council. Bledsoe previously was executive secretary of the Cabinet Council on Management and Administration and executive director of the Federal Property Review Board. From 1973 to 1980, Bledsoe was a senior faculty member at the Federal Executive Institute in Charlottesville.

At the Agriculture Department, Ewen M. Wilson, vice president for economics and statistics of the American Meat Institute, has been appointed deputy assistant secretary for economics. Previously, Wilson served as an extension specialist on the faculty of Virginia Polytechnic Institute.