Which of the following process is used primarily to obtain surface finish

113) Two vessels contain milk and water in the ratio 3:1 and 5:3 respectively. In what ratio these are to be mixed to prepare a third mixture containing milk and water in the ratio 2:1 ?

114) As per Boolean Algebra, inputs can be changed in

115) In a conductor, the flow of current is

116) Who won the Men's title at Wimbledon Championships 2014?