1 : Which is chemical Hazard? | कौन सा रासायनिक खतरा है? A : Noise | शोर B : Explosive | विस्फोटक C : Vibration | कंपन D : Radiation | विकिरण 2 : Which type of occupational health hazards involves “Toxic”? | किस प्रकार के व्यावसायिक स्वास्थ्य खतरों में “विषाक्त” शामिल है? A : … 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 … Read more
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. Name the term, the metal chips are clogged in file. a) Tinning b) Logging c) … 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 … Read more
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) … Read more