Nimi online mock test welder 2023

Nimi online mock test welder 2023  Multiple Choice Question-MCQ with Answer

bhartskills-Mock Test 

Nimi online mock test welder 2023 for Multiple Choice Type Questions for Welder subject with Answers.

1. One should never cut or weld directly against .......

A) Concrete
B) Cast iron
C) Workbench
D) A non-flammable surface

ANSWER= (A) Concrete

 

2. A butt welded joint in carbon steel is restrained during welding and cooling will...

A) Be stronger than that which is not restrained
B) Not ever crack
C) Have high residual stress
D) Produce relaible joint

ANSWER= (C) Have high residual stress

 

3. Which of these should never be used on regulators, cylinders, and gas connections?

A) Teflon tape
B) Oil
C) Wrench
D) Leak-detector

ANSWER= (B) Oil

 

4. Which of these metals/alloys has the highest melting point?

A) Copper
B) Aluminium
C) Brass
D) Bronze

ANSWER= (A) Copper

 

5. The welding position is defined by two parameters, which are.

A) Weld slope and weld angle
B) Weld slope and weld rotation
C) Weld angle and weld rotation
D) Weld slope and weld cut

ANSWER= (B) Weld slope and weld rotation

 

6. Which of these is NOT a cause of backfire in oxy-acetylene blowpipe?

A) Nozzle is overheated
B) Nozzle orifice is blocked
C) Gas pressure setting is high
D) Leakage near the nozzle

ANSWER= (C) Gas pressure setting is high

 

7. Which type of electrodes picks up moisture easily?

A) Rutile coated electrodes
B) Titanium coated electrodes
C) Acidic coated electrodes/
D) Basic coated electrodes

ANSWER= (D) Basic coated electrodes

 

8. These are the methods used to control distortion in welding, except/

A) Back-step welding
B) Right-hand welding
C) Skip welding
D) Intermittent welding

ANSWER= (A) Convert AC into DC

 

9. A metal reflects light and appears shiny. It is said that .......

A) It is ductile
B) It is hard
C) It is malleable
D) It has the luster

ANSWER= (D) It has the luster

 

10. What defect is likely to be caused if cast iron is welded without preheating the base metal? been         filled in

A) Porosity
B) Cracks
C) Blowholes
D) Undercut

ANSWER= (B) Cracks