Cast iron and malleable iron are commonly repaired using:

Cast iron and malleable iron are commonly repaired using:

a. oxy-acetylene welding
b. submerged arc welding
c. electric arc welding
d. soldering

Answer: E

The form of welding where the base metal isn't fused but is heated and a filler rod applied is called ______.

The form of welding where the base metal isn't fused but is heated and a filler rod applied is called ______.

a. brazing
b. metal arc welding
c. oxyacetylene welding
d. submerged arc welding
e. electrode

Answer: A

Ultrasonic Inspection involves the use of:

Ultrasonic Inspection involves the use of:

a. short wavelength radiation
b. high frequency vibrations
c. fluorescent penetrant dye
d. radiographic penetrameter
e. gamma rays

Answer: B

Submerged arc welding is:

Submerged arc welding is:

a. an oxyacetylene welding process
b. An AC electric welding process
c. Normally an automatic process
d. A DC electric welding process
e. All of the above

Answer: C

A welding electrode stamped "E610" would have a tensile strength of:

A welding electrode stamped "E610" would have a tensile strength of:

a. 6,000 psi
b. 6,010 psi
c. 6,100 psi
d. 60,000 psi
e. 60,100 psi

Answer: D

Electric arc temperatures may be as high as:

Electric arc temperatures may be as high as:

a. 3,000 C
b. 4250 C
c. 5325 C
d. 7450 C
e. 8300 C

Answer: E

With reverse polarity:

With reverse polarity:

a. the welding electrode is connected to the negative terminal
b. AC power is supplied to the electrode
c. the welding electrode is connected to the positive terminal
d. AC or DC power may be supplied to the electrode
e. DC power is supplied to the electrode

Answer: C

The best method of weld inspection if error is to be avoided is the:

The best method of weld inspection if error is to be avoided is the:

a. visual method
b. fluorescent penetrant method
c. ultrasonic method
d. dye penetrant method
e. radiographic method

Answer: A

The form of welding where the base metal isn't fused but is heated and a filler rod applied is called _________.

The form of welding where the base metal isn't fused but is heated and a filler rod applied is called _________.

a. brazing
b. metal arc welding
c. oxyacetylene welding
d. submerged arc welding
e. electrode

Answer: A

The item which keeps the weld from oxidizing, and cooling too fast; and the bead smooth, during submerged arc welding is the:

The item which keeps the weld from oxidizing, and cooling too fast; and the bead smooth, during submerged arc welding is the:

a. arc temperature
b. flux
c. steadiness of the welder's hand
d. rod composition
e. rod rate of feed

Answer: B

With straight polarity:

With straight polarity:

a. AC or DC power may be supplied to the electrode
b. DC power is supplied to the electrode
c. the welding electrode is connected to the negative terminal
d. AC power is supplied to the electrode
e. the welding electrode is connected to the positive terminal

Answer: C

Rule for uses of radiographic and ultrasonic inspection are covered in the:

Rule for uses of radiographic and ultrasonic inspection are covered in the:

a. Rules for Care and Operation of Power Boilers Code
b. ASME Section IX - Welding and Brazing Qualifications
c. Canadian Standards B-51
d. Power Boiler Code Section I
e. ASME Section II - Materials Specification

Answer: D

A method of testing a weld which is quick, easy and inexpensive is the:

A method of testing a weld which is quick, easy and inexpensive is the:

a. fluorescent penetrant method
b. visual method
c. ultrasonic method
d. dye penetrant method
e. radiographic method

Answer: B

Advantages of submerged arc welding include:

Advantages of submerged arc welding include: 

a. a protective coating is not requires over the electrode
b. the arc is not visible
c. weld seams are neat and uniform in appearance
d. a skilled welder is not requires to operate the machinery
e. very little gas or fumes rise from the weld.

Answer: A, B & E.

Non-destructive testing of a weld could mean:

Non-destructive testing of a weld could mean:

a. testing the weld by means of chemical analysis
b. raising the hydrostatic pressure on a vessel to the point of rupture
c. mechanical testing of a sample or small portion of a weld
d. thermal shocking a vessel to the point of fracture
e. subjecting the weld to a radiographic inspection

Answer: E

The basic difference between fluorescent penetrant and dye penetrant is that fluorescent penetrant:

The basic difference between fluorescent penetrant and dye penetrant is that fluorescent penetrant:

a. makes valuable use of penetrameters
b. uses more expensive compounds than dye penetrants
c. involves the use of a developer compound
d. cannot be reliable in locating porosity in a weld
e. requires a "black" light to detect cracks.

Answer: E

A rectifier used in arc welding:

A rectifier used in arc welding:

a. will produce a temperature in the range of 700 to 830 degrees
b. will change AC to DC
c. is used for weld inspection
d. will rectify slag inclusions problems
e. produces an arc in the temperature range of 8,300 to 13,000 degrees C

Answer: B

A welding electrode "E6016" would have a tensile strength of:

A welding electrode "E6016" would have a tensile strength of:

a. 6,000 psi
b. 6,0101 psi
c. 6,100 psi
d. 60,000 psi
e. 60,100 psi

Answer: D

The electrical power necessary for arc welding may be supplied by:

The electrical power necessary for arc welding may be supplied by: 

a. generators
b. transformers
c. rectifiers
d. pumps

Answer: A, B & C.

A common method used to start the arc in submerged arc welding is with:

A common method used to start the arc in submerged arc welding is with:

a. a piece of steel wool
b. a long wooden match
c. an oil soaked torch
d. a striker similar to that used in oxyacetylene

Answer: A