No. |
Questões | [Ref] |
| 1 |
Questão 1 [Question 1]
Um arranjo de bobinas híbrido (duplo, reflexivo, emissora-receptora) consiste de: [A hybrid coil arrangement consists of:]
bobbin coils.
probe coils.
outside diameter coils.
X an excitation coil and a sensing coil.
|
[SG2 ] |
| a) CORRETA [RIGHT] | ||
| b) errada [wrong] | ||
| c) errada [wrong] | ||
| d) errada [wrong] | ||
| 2 |
Questão [Question]
When using a surface probe coil to scana test object:
the object must be dry and polished.
X the object must be scanned carefully to ensure inspection coverage.
the object must be scanned in circular motions at constant speeds.
the probe must be moving at all times to get a reading
|
[SG2 ] |
| a) errada [wrong] | ||
| b) errada [wrong] | ||
| c) CORRETA [RIGHT] | ||
| d) Em fase com o campo primário [In phase with the primary field] | ||
| 3 |
Pergunta 3 [Question 3]
A spinning probe would most likely be:
a bobbin coil.
an inside diameter coil.
an outside diameter coil.
X a surface probe coil.
|
[SG2 ] |
| a) errada [wrong] | ||
| b) CORRETA [RIGHT] | ||
| c) errada [wrong] | ||
| d) errada [wrong] | ||
| 4 |
Questão 4 [Questão 4]
A feed-through coil is:
a coil with primary/secondary windings connected so that the signal is fed through the primary to the secondary.
X an encircling coil.
bobbin coil.
a hybrid coil.
|
[SG2 ] |
| a) CORRETA (RIGHT] | ||
| b) errada [wrong] | ||
| c) errada [wrong] | ||
| d) errada [wrong] | ||
| 5 |
Questão 5 [Question 5]
When inspecting a tubular product with an encircling coil, which statement is not true?
Outside diameter discontinuities can be found.
Axial discontinuity locations can be noted.
X Circumferential discontinuity locations can be noted.
Inside diameter discontinuities can be found.
|
[SG2 ] |
| a) CORRETA [RIGHT] | ||
| b) errada [wrong] | ||
| c) errada [wrong] | ||
| d) errada [wrong] | ||
| 6 |
Questão 6 [Question 6]
An absolute coil measurement is made:
by comparing one spot on the test object to another.
X without reference to or direct comparison with a standard.
only with probe coils.
by comparative measurement to a known standard
|
[SG2 ] |
| a) errada [wrong] | ||
| b) errada [wrong] | ||
| c) errada [wrong] | ||
| d) CORRETA [RIGHT] | ||
| 7 |
Questão 7 [Question 7]
When coils in a self-comparison differential arrangement are affected simultaneously with the same test object variables, the output signal:
is directly proportional to the number of variables.
X is 0 or near 0.
is indirectly proportional to the number of variables.
is primarily a function ofthe exciting current.
|
[SG2 ] |
| a) errada [wrong] | ||
| b) errada [wrong] | ||
| c) CORRETA [RIGHT] | ||
| d) errada [wrong] | ||
| 8 |
Questão 8 [Question 8]
Which coil type inherently has better thermal stability?
Bobbin.
X Absolute.
Outside diameter.
Self-comparison differential.
|
[SG2 ] |
| a) errada [wrong] | ||
| b) CORRETA [RIGHT] | ||
| c) errada [wrong] | ||
| d) errada [wrong] | ||
| 9 |
Questão [Question]
A hybrid coil is composed of two or more coils. The coils:
must be aligned coplanar to the driver axis.
X may be of widely different dimensions.
must be impedance matched as closely as possible.
are very temperature sensitive.
|
[SG2 ] |
| a) CORRETA (RIGHT] | ||
| b) errada [wrong] | ||
| c) errada [wrong] | ||
| d) CORRETA [RIGHT] | ||
| 10 |
Questão 10 [Question 10]
Proper selection of the test coil arrangement is determined by the:
X shape of the test object.
test equipment.
operator's skills.
standard depth of penetration.
|
[SG2 ] |
| a) errada [wrong] | ||
| b) errada [wrong] | ||
| c) errada [wrong] | ||
| d) CORRETA (RIGHT] | ||