WELDER IMPORTANT NIMI BASED MCQ

Which is the process to attain full penetration of weld in 10 mm stainless steel?
A. Laser beam
B. Micro plasma
C. Electron beam
D. Key hole plasma

What is the current range in micro plasma arc welding process?
A. 0.05 to 25 Amps
B. 0.05 to 20 Amps
C. 0.05 to 15 Amps
D. 0.05 to 10 Amps

What is the cause for nugget in spot welding process?
A. Sufficient current
B. Incorrect setting electrode
C. Insufficient electrode diameter
D. Insufficient heating of base metal

Which welding process spot welding is belonging?
A. Gas welding
B. Arc welding
C. Resistance welding
D. Jig welding

Which process cuts the stainless steel, carbon steel with the help of high jet velocity?
A. Plasma arc process
B. Micro plasma cutting process
C. Key hole plasma process
“D. Non-transferred plasma
arc”

What is the purpose of metal build up on the worn out metal parts?
A. To change its dimensions
B. To reduce its shape and properties
C. To make them good and new and obtain require properties
D. To get brightness

What is the wear caused by liquids or gases striking metal parts at high speed?
A. Corrosion
B. Rust
C. Friction
D. Erosion

Which is the process to paint with particles by electro static charging?
A. Metal
B. Powder coating
C. Electro plating
D. Thermal spraying

What is the expanded form of PQR?
A. Procedure Qualification Read
B. Procedure Qualification Response
C. Procedure Quality Record
D. Procedure Qualification Record

What is the expanded form of WPS?
A. Welding Procedure Speed
B. Welding Procedure Separation
C. Welding Procedure Specification
D. Welding Procedure Standards

What is the main aim of welding procedure qualification, in a test to ascertain?
A. Properties of weld withstand and designed conditions
B. Performs of weld withstand designed conditions
C. Perfect of weld withstand all condition
D. Power of weld

What is the code number given for pressure vessel manufacturing, exclusively for steel and steel alloy?
A. P1 to P11
B. P21 to P30
C. P31 to P35
D. P43 to P47

What is the grouping P code number for welding covered under copper and copper based alloys?
A. P1 to P11
B. P21 to P30
C. P31 to P35
D. P43 to P47

Which welding process is more desirable in filling up surfaces of grooves?
A. Shielded metal arc welding method
B. Oxy-acetylene welding method
C. TIG welding method
D. Submerged arc welding method

Which one of the following method is not related to surfacing metal?
A. Oxy-acetylene method
B. Grinding method
C. TIG welding method
D. SAW method

What is the post-heated temperature of plain carbon steel?
A. 100°C to 300°C
B. 350°C to 400°C
C. 400°C to 500°C
D. 500°C to 550°C

What is the purpose of metal build up process, on a worn metal?
A. To repair broken parts
B. To build worn out product made new
C. To make joints
D. To reduce excess weld metal

What should be the electrode angle while building up worn out shaft?
A. 30° – 40°
B. 50° – 60°
C. 70° – 80°
D. 90° – 110°

Which method is suitable for surfacing the metal part and for high quality of weld and high deposition rate?
A. Oxy-acetylene method
B. Manual metal arc welding
C. MIG welding
D. Submerged arc welding

Which method is suitable for surfacing method to have smooth and thin layer?
A. MIG welding
B. Shielded metal arc welding
C. Plasma welding
D. Submerged arc welding