Geophysical Methods in Engineering MCQs Questions & Answers | Geological Engineering Page-3 section-1

21.
What is the main use of cross-hole seismic testing?

A. Earthquake prediction

B. Pavement design

C. Determining in-situ seismic velocity

D. Detecting magnetic anomalies

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22.
Gravimeters are calibrated to detect differences as small as:

A. 1 g

B. 0.01 mGal

C. 100 Gauss

D. 1 mm/s

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23.
Which geophysical method is best for locating underground utility pipes?

A. Resistivity

B. GPR

C. Seismic refraction

D. Gravity

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24.
What does an anomaly in geophysical surveys typically indicate?

A. Perfect homogeneity

B. Subsurface irregularity

C. High porosity

D. Noise

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25.
Dipole-dipole configuration is most useful for:

A. Deep seismic studies

B. Groundwater detection

C. 2D and 3D resistivity imaging

D. Magnetic surveys

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26.
Which wave type travels fastest in seismic methods?

A. Surface wave

B. Secondary wave (S-wave)

C. Love wave

D. Primary wave (P-wave)

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27.
What affects the accuracy of gravity surveys the most?

A. Rainfall

B. Altitude variations

C. Time of day

D. Wind speed

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28.
Vertical Electrical Sounding (VES) primarily helps determine:

A. Soil color

B. Soil fertility

C. Layer thicknesses

D. Borehole depth

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29.
Which geophysical method is suitable for landslide risk assessment?

A. GPR

B. Magnetic

C. Seismic refraction

D. Self-potential

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30.
Borehole logging in geophysical exploration typically provides:

A. Surface soil type

B. Groundwater composition

C. In-situ rock properties

D. Wind velocity

Answer & Solution Discuss in Board Save for Later

Geophysical Methods in Engineering MCQs Questions & Answers | Geological Engineering

21. What is the main use of cross-hole seismic testing?

Answer & Solution

22. Gravimeters are calibrated to detect differences as small as:

Answer & Solution

23. Which geophysical method is best for locating underground utility pipes?

Answer & Solution

24. What does an anomaly in geophysical surveys typically indicate?

Answer & Solution

25. Dipole-dipole configuration is most useful for:

Answer & Solution

26. Which wave type travels fastest in seismic methods?

Answer & Solution

27. What affects the accuracy of gravity surveys the most?

Answer & Solution

28. Vertical Electrical Sounding (VES) primarily helps determine:

Answer & Solution

29. Which geophysical method is suitable for landslide risk assessment?

Answer & Solution

30. Borehole logging in geophysical exploration typically provides:

Answer & Solution

21.
What is the main use of cross-hole seismic testing?

22.
Gravimeters are calibrated to detect differences as small as:

23.
Which geophysical method is best for locating underground utility pipes?

24.
What does an anomaly in geophysical surveys typically indicate?

25.
Dipole-dipole configuration is most useful for:

26.
Which wave type travels fastest in seismic methods?

27.
What affects the accuracy of gravity surveys the most?

28.
Vertical Electrical Sounding (VES) primarily helps determine:

29.
Which geophysical method is suitable for landslide risk assessment?

30.
Borehole logging in geophysical exploration typically provides: