Workshop Technology In welding copper alloys with TIG arc welding Any one of the listed here Alternating current is used Direct current with straight polarity is used Direct current with reversed polarity is used Any one of the listed here Alternating current is used Direct current with straight polarity is used Direct current with reversed polarity is used ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In backhand welding, the angle between the welding torch and the work is kept as 60°-70° 50°-60° 40°-50° 30°-40° 60°-70° 50°-60° 40°-50° 30°-40° ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A basic hole is one whose Upper deviation is zero Lower and upper deviations are zero Lower deviation is zero None of these Upper deviation is zero Lower and upper deviations are zero Lower deviation is zero None of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The process of increasing the cross-section of a bar at the expense of its length, is called Peening Spinning Upsetting Drawing down Peening Spinning Upsetting Drawing down ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The blank diameter used in thread rolling will be Equal to pitch diameter of the thread A little larger than the minor diameter of the thread Equal to minor diameter of the thread A little larger than the pitch diameter of the thread Equal to pitch diameter of the thread A little larger than the minor diameter of the thread Equal to minor diameter of the thread A little larger than the pitch diameter of the thread ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Piercing is an operation of cutting A number of holes evenly spaced in a regular pattern on a sheet of metal A hole (other than cylindrical) in a sheet of metal by the punch and the die A cylindrical hole in a sheet of metal by the punch and the die A flat sheet to the desired shape A number of holes evenly spaced in a regular pattern on a sheet of metal A hole (other than cylindrical) in a sheet of metal by the punch and the die A cylindrical hole in a sheet of metal by the punch and the die A flat sheet to the desired shape ANSWER DOWNLOAD EXAMIANS APP