Quiz Questions - ITI Quiz - 11-Mar-2026 01:05 PM

Question 1 1 Marks

What does the fourth digit indicate as per AWS electrode coding?

A

Welding current

B

Tensile strength

C

Welding position

D

Type of flux coating

Question 2 1 Marks

What is the purpose of oxygen lever in gas cutting?

A

Pre heat the base metal

B

Push the molten metal

C

Remove the excess metal

D

Release excess oxygen and to push the molten metal

Question 3 1 Marks

What is the root run?

A

Backing run

B

The first run is root run

C

The third run is root run

D

The second run is root run

Question 4 1 Marks

Which gauging nozzle is selected for rivet head cutting?

A

Bent nozzle with three pre-heating holes

B

Straight nozzle with six pre-heating holes

C

Bent nozzle with six holes

D

Flute cutting straight with six holes

Question 5 1 Marks

What is the grade of hacksaw blades with pitch 0.8mm?

A

Fine

B

Medium

C

Course

D

Rough

Question 6 1 Marks

Which type of cast iron is soft?

A

Grey cast iron

B

White cast iron

C

Nodular cast iron

D

Malleable cast iron

Question 7 1 Marks

Which is used to cut thin pipes of smaller sizes?

A

Chisel

B

Hack sawing

C

Pipe cutter

D

Lathe parting tool

Question 8 1 Marks

Which type of polarity is used in welding non ferrous metals?

A

AC Transformer

B

Reverse polarity

C

Straight polarity

D

DC Motor generator

Question 9 1 Marks

What benefit we get out of a carburising flame?

A

Suitable for brass, copper welding

B

Suitable for stellite, flame cleaning

C

Suitable for mildsteel, stainless steel

D

Suitable for pure aluminium, cast iron & brass welding

Question 10 1 Marks

Which of the following produces unstable arc?

A

Long arc length

B

Short arc length

C

Normal arc length

D

Too long arc length

Question 11 1 Marks

Which of the following metals have high thermal conductivity?

A

Brass

B

Bronze

C

Copper

D

Aluminium

Question 12 1 Marks

How a pipe is specified?

A

Dia only

B

Length only

C

Outer dia only

D

Outer dia x inner dia x length

Question 13 1 Marks

What is the composition of acetylene gas?

A

C - 72.3% H - 27.7%

B

C - 82.3% H - 17.7%

C

C - 90% H - 10%

D

C - 92.3% H - 7.7%

Question 14 1 Marks

How is the electrode size identified?

A

Length of electrode

B

Thickness of flux coated

C

Diameter (over all) of electrode

D

Diameter of inner core wire

Question 15 1 Marks

Which filler rod is used for bronze welding of cast iron, malleable iron and copper?

A

Manganese, Bronze, filler rod

B

Copper, Phosperous, filler rod

C

Copper, Phosperous alloy filler rod

D

Copper, Zinc, Nickel filler rod

Question 16 1 Marks

Which heat treatment process causes the reduction of brittleness in the steel?

A

By annealing

B

By hardening

C

By tempering

D

By normalising

Question 17 1 Marks

Which welding the slag inclusion defect will occur?

A

Manual metal arc welding

B

Tungsten invert gas welding

C

Malattic invert gas welding

D

Oxy - acetylene gas welding

Question 18 1 Marks

What is the cause of porosity in arc welding?

A

Damp electrodes

B

Carbon electrodes

C

Over size electrodes

D

Low hydrogen electrodes

Question 19 1 Marks

How the repairs of cracks in cast iron component carried out?

A

By using clamps during welding process

B

Similar to arc welding mild steel plate

C

Local preheating, leftward welding technique flame heating each layer

D

Cracks repaired using appropriate electrode

Question 20 1 Marks

What is the reason for the defect of more spatter during arc welding?

A

Insufficient root gap

B

Welding current too high

C

Wrong angle of electrode

D

Use of a very short arc length