1. Submerged arc welding is characterized by. a) High welding current . b) Smooth beads c) Deep penetration d) All of these 2. Which of the following statements is NOT true about MIG welding? a) Arc is not visible to the operator – b) High welding speed (c) No slag to be removed d) […]
WELDER (THEORY) SEMESTER – II AITT JULY 2017 PAPER Read More »
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 MIG/MAG torch assembly? a) Consumable electrode b) Shielding gas in c) Current conductor d) Arc
PAPER -1 WELDER (THEORY) SEMESTER – II july (SESSION 2017 -2018) – NSQF LEVEL -4 Read More »
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 the hole is subject to considerable variation, then for locating in jigs and fixtures, the