Concrete Technology Pulse Velocity Test Online Exam Quiz
Concrete Technology Pulse Velocity Test GK Quiz. Question and Answers related to Concrete Technology Pulse Velocity Test. MCQ (Multiple Choice Questions with answers about Concrete Technology Pulse Velocity Test
Mechanical pulse having an oscillation frequency in range of `_____________
Options
A : 30 kHz to 40 kHz
B : 40 kHz to 50 kHz
C : 50 kHz to 60 kHz
D : 60 kHz to 70 kHz
A discontinuity that occurs during the casting of molten metal which may be caused by the splashing, surging, interrupted pouring is ___________
Options
A : Burst
B : Cold shut
C : Flaking
D : Blow hole
An ultrasonic pulse velocity test is an _____________
Options
A : Ex-situ, nondestructive test
B : In-situ, nondestructive test
C : Ex-situ, destructive test
D : In-situ, destructive test
The interference field near the face of a transducer is often referred to as the ______________
Options
A : Fresnel zone
B : Acoustic impedance
C : Exponential field
D : Phasing zone
Higher velocities indicate __________
Options
A : Good quality and continuity of the material
B : Bad quality and continuity of the material
C : Concrete with many cracks
D : Concrete with many voids
Slower velocities may indicate ___________
Options
A : Good quality and continuity of the material
B : Good quality and discontinuity of the material
C : Bad quality and continuity of the material
D : Concrete with many voids
In this test, the strength and quality of concrete or rock is assessed by measuring the ___ of an ultrasonic pulse.
Options
A : Length
B : Velocity
C : Weight
D : Surface Tension
When the motion of the particles of a medium are at right angles to the direction of wave motion, the wave being transmitted is called a ___________
Options
A : Longitudinal wave
B : Shear wave
C : Surface wave
D : Lamb wave
A second name for compression wave is __________
Options
A : Longitudinal wave
B : Shear wave
C : Surface wave
D : Lamb wave
The number of cylces per second is the definition of ____________
Options
A : Wave speed
B : Frequency
C : Hertz
D : Velocity
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