Welder Exam series 1

Which nozzle size is selected to cut 15 mm

thick MS plate?

• 1.2mm

• 0.8 mm

• 1.6mm

• 2mm

Which is the hottest point in a oxyacetylene flame?

• 2000 - 2200°C

• 2500 - 2700°C

• 2700 - 3000°C

• 3000 - 3200°C

What safety measure to be taken while performing hacksaw cutting?

• Improper working height

• Pressure applied during sawing

• Hold the handle improperly while sawing

• Blade secured with adequate tension

Which Material is used in Manufacture gas

cylinder ?

• Forged steel

• Nickel steel

• Stainless steel

• Solid Drawn steel

How many pressure gauges are in regulator gas welding plant?

• 1

• 2

• 3

• 4

Which of the following metal is used for making nozzle in gas welding?

• Bronze

• Silver

• Copper

• Aluminum

Which is to wear for safety while handling thin sheets?

• Tongs

• Clamp

• Gloves

• Glass

What are the gas flame combination used for welding ferrous and non ferrous alloys?

• Acetylene + Air

• LPG + Air

• Acetylene + Oxygen

• Hydrogen + Oxygen

Which part of the hammer fits into the handle for it’s rigidity?

• cheek

• Wedge

• Pein

• Face

Which operation is to remove burrs from a plate after cutting?

• Brushing

• scratching

• Cutting

• Filing