Free API API-577 Practice Exam with Questions & Answers | Set: 3

Weldability

Toughness

Strength

Cooling rate

Short circuiting transfer

Pulsed droplet transfer

Globular transfer

Spray transfer

0.05 - 2.7 ft./sec (0.015 - 0.82 m/sec)

1.3 - 4.0 ft./sec (0.40 - 1.20 m/sec)

2.3 - 3.3 ft./sec (0.70 - 1.00 m/sec)

4.1 - 5.5 ft./sec (1.25 - 1.68 m/sec)

Radiographic examination is not allowed.

The entire weld circumference for pipe coupon.

36 in. for welder operator qualification.

6 in. for welder qualification.

Non-load-bearing welds.

Insulation and refractory pins.

Flat position welds.

Non-pressure-containing welds.

Electrodes should never be stored in an oven that is used for food storage.

Low-hydrogen electrodes may be stored in ovens with cellulose-based electrodes, but must be in their original, unopened containers.

Electrode ovens should be heated by any means, but must have automatic heat controls and visible temperature indicators.

Low-hydrogen electrodes should never be stored with stainless-steel electrodes.

The surface of a joint member included in the groove.

A separation at the joint root between the work pieces.

The beveled surface of the joint members.

That portion of the groove face adjacent to the joint root.

bevel face.

bevel angle.

groove angle.

groove face.

The entire radiograph minus 2 in. (50.8 mm) from the edges

Only the area of contrasting density

The specific portion of a radiograph that needs to be evaluated

The portion that is less than 3t from the center of the radiograph, where t is the thickness of the weld

WPQ to verify that the welder is qualified to perform the welding, given its position and process.

WPQ to verify that the specification in use is correct.

PQR to verify that the welder is qualified to perform the welding, given its position and process.

WPS to verify that the welder is qualified to perform the welding, given its position and process.