Welding test 1

1.

1 point

A reducing flame is

rich in acetylene

used solely for heating

used for cutting steel

lame rich in oxygen

2.

1 point

procedure qualifications are

Methods of non destructive testing

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

Tests to determine the welder's ability

steps taken by the welder with regard to joint preparations

3.

1 point

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

280 kpa

100 kpa

1720 kpa

28 kpa

4.

1 point

The method of welding electrically beneath a protective layer of molten material is called

submerged arc welding

AC oxy-acetylene welding

TIG welding

shielded arc welding

5.

1 point

When pieces of metal are added to the joint, before or during the welding process, it is called

slugging

plug weld

boxing

slag inclusion

6.

1 point

Electric Welding requires

1. high voltage
2. low voltage
3. high current
4. low current

1 and 3 are correct

2 and 3 are correct

2 and 4 are correct

1 and 4 are correct

7.

1 point

The ultrasonic test uses

gamma rays

heat energy

sound waves

electric current

8.

1 point

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

electrode holder

metal bench

work piece

ground

9.

1 point

The most common method of pressure vessel manufacturing is

pressure welding

riveting

fusion welding

brazing

10.

1 point

welding requires

low voltage and high amperage

high amperage and low voltage

low voltage and low amperage

high voltage and high amperage

11.

1 point

In submerged arc welding, the electrode is a ________ electrode

bear wire

carbon

mineral covered

combustible coated

12.

1 point

Most electric welding machines, used in industry, are

AC generators

DC generators

rectifiers

transformers

13.

1 point

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

red

orange

black

green

14.

1 point

In submerged arc welding the flux is applied

as a paste

in a granular form

as a liquid

as a gas

15.

1 point

Visual inspections usually begin

after the part is completely assembled

during commissioning

prior to fabrication

during fabication

16.

1 point

Acetylene is stored in cylinders at a pressure of

150 kpa

1720 kpa

2200 kpa

3250 kpa

17.

1 point

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

compressive

shear

ultimate

reaction

18.

1 point

A pocket formed by moisture trapped in the weld is called

porosity

a blow hole

a plug

boxing

19.

1 point

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

pyrometric test

ultrasonic test

radiographic test

magnetic particle test

20.

1 point

In submerged arc welding

the electrode does not contact the work place

welding goggles must be warn

flux fumes are a problem

electrode sticking is a problem