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CWB 2 ALL MODULES EXAM NEWEST ACTUAL EXAM COMPLETE 90 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+|| LATEST EXAM!!!
The first item that should be checked or calibrated on an angle probe is:
A) Wavelength
B) Angle
C) Linearity
D) Exit (index point)
Not applicable. Calibration is not necessary - ANSWER-D) Exit (index point)
Sounds detectable by human ear are in the range of:
A) 1 to 10 nHz
B) 1,000 to 10,000 cycles per second
C) 20 to 20,000 cycles per second
D) 20 kHz to 2,000 kHz - ANSWER-C) 20 to 20,000 cycles per second
Ultrasonic testing frequencies are in the range of:
A) 50 to 500MHz
B) 2.25 to 10 MHz
C) 500 kHz to 5,000 MHz
D 500 kHz to 15 MHz - ANSWER-C) 500 kHz to 5,000 MHz
Characteristics of a wave propagating through material are:
A) Wavelength, velocity and frequency
B) Density, colour, and weight
C) Melleability, hardness, and toughness
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D) Frequency, Velocity, and surface finish - ANSWER-A) Wavelength, velocity and frequency
Non-uniform stress in a rod is given by:
A) The load multiplied by the cross section area of the rod
B) The cross-sectional area of the rod divided by the load
C) The load divided by the cross-sectional area of the rod
D) Cannot be simply calculated - ANSWER-D) Cannot be simply calculated
Strain in a body is the:
A) Extension divided by the original length
B) Extension multiplied by the original length
C) Original length multiplied by the extension
D) Original length divided by the extension - ANSWER-A) Extension divided by the original length
The elastic limit during tensile testing will be reached:
A) Before yield
B) After Yeild
C) After UTS
D) At the point where the specimen fractures - ANSWER-B) After Yeild
The UTS (ultimate tensile strength) on a stress-strain curve shows where the:
A) Maximum stress was recorded
B) Sample fractured
C) Sample changed from plastic or elastic behavior
D) Maximum yield point occurred - ANSWER-A) Maximum stress was recorded
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The yield stength (YS) is given by:
A) 80% of maximum load divided by the cross-sectional area
B) The load at the breaking point divided by the cross-sectional area
C) The yield point load divided by the cross-sectional area
D) The maximum load divided by the cross-sectional area - ANSWER-C) The yield point load divided by
the cross-sectional area
The primary reason for performing a guided bend test is to determine the:
A) Ability of a welder to produce sound welds
B) Suitability of a welding procedure
C) Suitability of a welding consumable
D) All of the above - ANSWER-D) All of the above
Which of the following hardness testers will be used because it has a small indentation size that can
easily locate regions in a weld?
A) Brinell
B) Knoop
C) Vickers
D) Rockshaw - ANSWER-C) Vickers
Brittle materials in a toughness test will:
A) Absorb significant energy
B) Absorb minimal energy
C) Deform with considerable plasticity
CWB 2 ALL MODULES EXAM NEWEST ACTUAL EXAM COMPLETE 90 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+|| LATEST EXAM!!!
The first item that should be checked or calibrated on an angle probe is:
A) Wavelength
B) Angle
C) Linearity
D) Exit (index point)
Not applicable. Calibration is not necessary - ANSWER-D) Exit (index point)
Sounds detectable by human ear are in the range of:
A) 1 to 10 nHz
B) 1,000 to 10,000 cycles per second
C) 20 to 20,000 cycles per second
D) 20 kHz to 2,000 kHz - ANSWER-C) 20 to 20,000 cycles per second
Ultrasonic testing frequencies are in the range of:
A) 50 to 500MHz
B) 2.25 to 10 MHz
C) 500 kHz to 5,000 MHz
D 500 kHz to 15 MHz - ANSWER-C) 500 kHz to 5,000 MHz
Characteristics of a wave propagating through material are:
A) Wavelength, velocity and frequency
B) Density, colour, and weight
C) Melleability, hardness, and toughness
,2|Page
D) Frequency, Velocity, and surface finish - ANSWER-A) Wavelength, velocity and frequency
Non-uniform stress in a rod is given by:
A) The load multiplied by the cross section area of the rod
B) The cross-sectional area of the rod divided by the load
C) The load divided by the cross-sectional area of the rod
D) Cannot be simply calculated - ANSWER-D) Cannot be simply calculated
Strain in a body is the:
A) Extension divided by the original length
B) Extension multiplied by the original length
C) Original length multiplied by the extension
D) Original length divided by the extension - ANSWER-A) Extension divided by the original length
The elastic limit during tensile testing will be reached:
A) Before yield
B) After Yeild
C) After UTS
D) At the point where the specimen fractures - ANSWER-B) After Yeild
The UTS (ultimate tensile strength) on a stress-strain curve shows where the:
A) Maximum stress was recorded
B) Sample fractured
C) Sample changed from plastic or elastic behavior
D) Maximum yield point occurred - ANSWER-A) Maximum stress was recorded
, 3|Page
The yield stength (YS) is given by:
A) 80% of maximum load divided by the cross-sectional area
B) The load at the breaking point divided by the cross-sectional area
C) The yield point load divided by the cross-sectional area
D) The maximum load divided by the cross-sectional area - ANSWER-C) The yield point load divided by
the cross-sectional area
The primary reason for performing a guided bend test is to determine the:
A) Ability of a welder to produce sound welds
B) Suitability of a welding procedure
C) Suitability of a welding consumable
D) All of the above - ANSWER-D) All of the above
Which of the following hardness testers will be used because it has a small indentation size that can
easily locate regions in a weld?
A) Brinell
B) Knoop
C) Vickers
D) Rockshaw - ANSWER-C) Vickers
Brittle materials in a toughness test will:
A) Absorb significant energy
B) Absorb minimal energy
C) Deform with considerable plasticity
