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 … 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
1 : What is the type of engine? | इंजन का प्रकार क्या है? A: In-line engine | इन-लाइन इंजन B : V engine | वी इंजन C: Opposed engine | अपोजिट इंजन D: Radial engine । रेडियल इंजन 2 … Continued
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 … Continued