1. The term used to indicate amount of current flowing in a circuit is called …….. (a) Volt (c) Ohm (b) Ampere (d) Farad 2. Earth clamp is used in arc welding to . (a) Hold the electrode firmly … Continued
1. Unlike TIG welding, MIG welding – (a) Requires no flux (b) Requires no post-weld cleansing (c) Uses consumable electrodes (d) Provides complete protection from atmospheric contamination 2. In Gas Metal Arc welding, the electrode extended from the end of … Continued
1 Which part of the wire feed mechanism turns the drive roller smoothly and constantlyfor GMAW? a) Centre guide b) Drive motor c) Wire feeder d) Wire spool holder 2 What is the name of the part marked ‘X” in … Continued
1. What is the point angle of dot punch? a)40 b) 50 c) 90 d) 60 2. Which material is used to manufacture chisel? a) Stainless steel b) Low carbon steel c) High carbon steel d) Medium carbon steel 3. … Continued
1. Segmental chips are formed during machining A. mild steel B. cast iron C. high speed steel D. high carbon steel 2. Cemented carbide tool tips are produced by powder metallurgy. A. True B. False 3. If the diameter of … Continued
Which operation is to remove burrs from a plate after cutting? A. Brushing B. Filing C. Scraping D. Chiselling Which is used for handling hot jobs? A. Tongs B. Shawel C. Poker D. Snips Which is to wear for safety … Continued