Production Technology Objective Questions and Answers

939. To check the diameter of a twist drill with a micrometer, the measurement must be taken across the

940. Commonly used units of feed in drilling operation are

941. Annealing is done by cooling in

942. The helical groove in drill is used

943. The quickest type of chuck for centering operation is

944. Metal in electro-chemical grinding operation is removed by

945. The metal in electro-chemical machining process is removed by

Mechanical Engineering Objective Questions { Production Technology }