Welding test 2

1.

1 point

Cast iron is generally repaired by

submerged arc welding

brazing

TIG welding

shielded arc welding

2.

1 point

procedure qualifications are:

Methods of non destructive testing

Approval of a welding procedure by the governing authority for a specific application

Test to determine the welder"s ability

steps taken by the welder with regard to joint preparations

3.

1 point

Oxygen is stored in cylinders at a pressure of

15400 kpa

12000 kpa

22500 kpa

2000 kpa

4.

1 point

The most common method of pressure vessel manufacturing is

fusion welding

pressure welding

brazing

riveting

5.

1 point

A pocket formed by moisture trapped in the weld is called

boxing

porosity

a blow hole

a plug

6.

1 point

With straight polarity, DC welding, the negative lead is connected to the

electrode holder

metal bench

ground

work piece

7.

1 point

To control the quality and reliability of a radiographic test, metal strips called

penetrameters

reduces

cobalt

developers

8.

1 point

The colour of the oxygen hose in oxy-acetylene welding is:

Red

Green

Black

Orange

9.

1 point

Straight polarity, DC welding

is more suitable for overhead welding

concentrates most of the heat in the work

concentrates most of the heat in the electrode

should only be performed by a qualified welding

10.

1 point

Welding electrodes, with combustible coverings, protect the arc by

forming a gaseous shield

consuming any oxygen

fluxing off any impurities

forming a protective slag

11.

1 point

On a welding electrode the third digit indicates

position

tensile strength

penetration

current

12.

1 point

To cut steel plate, the normal oxygen pressure will be about

28 kpa

1720 kpa

100 kpa

280 kpa

13.

1 point

Acetylene is stored in cylinders at a pressure of

3250 kpa

150 kpa

1720 kpa

2200 kpa

14.

1 point

In submerged arc welding the flux is applied

as a gas

as a paste

in a granular form

as a liquid

15.

1 point

The test where gamma rays are absorbed through the metal is the

magnetic particle test

pyrometric test

radiographic test

ultrasonic test

16.

1 point

A number two oxy-acetylene torch uses:

Twice the amount of oxygen to acetylene

Two psi of acetylene

Two psi of oxygen

Two psi of each; acetylene and oxygen

17.

1 point

Stress created by welding restrained parts, which are not free to shrink during cooling, is called _________ stress

compressive

reaction

ultimate

shear

18.

1 point

The type of non-destructive test that uses three types of non corrosive liquids is the

Magnetic test

Dye penetrant test

Fluorescent penetrant test

Radiographic test

19.

1 point

The ultrasonic test uses

heating energy

gamma rays

electric current

sound waves

20.

1 point

In submerged arc welding, the electrode is a ________ electrode

bare wire

carbon

combustible coated