WESTINGHOUSE ELECTRIC CORP <WX> 1ST QTR NET Shr primary 1.05 dlrs vs 88 cts Shr dilulted 1.05 dlrs vs 86 cts Net 151.6 mln vs 135.2 mln Revs 2.32 billion vs 2.55 billion Avg shrs 144.6 mln vs 154.5 mln