Virtual Labs

Geo-resistivity test for bedrock identification

Which of the following Electronic array Geometry is used in this experiment?

a: Wenner Array Explanation

Explanation

b: Pole-Dipole Array Explanation

Explanation

c: Dipole-Dipole Array Explanation

Explanation

d: Schlumberger Array Explanation

Explanation

According to IS 15736:2007, what is the range of resistivity (in Ohm-m) for groundwater?

a: 10-100 Explanation

Explanation

b: 10-800 Explanation

Explanation

c: 10-1000 Explanation

Explanation

d: 10-8000 Explanation

Explanation

In the experiment, the inner electrodes are current electrodes and it causes the flow of current

a: True Explanation

Explanation

b: False Explanation

Explanation

The apparent resistance depends on

a: Potential drop Explanation

Explanation

b: Flow of current Explanation

Explanation

c: Distance between the electrodes Explanation

Explanation

d: All of the above Explanation

Explanation

The apparent resistivity measured in

a: Ohm Explanation

Explanation

b: Mho Explanation

Explanation

c: Ohm-m Explanation

Explanation

d: Siemen-m Explanation

Explanation

In general, the depth of the soil sample is

a: One-eight to the distance between current electrodes Explanation

Explanation

b: One-sixth to the distance between current electrodes Explanation

Explanation

c: One-fourth to the distance between current electrodes Explanation

Explanation

d: One-third to the distance between current electrodes Explanation

Explanation

The voltmeter is used for measuring the current

a: True Explanation

Explanation

b: False Explanation

Explanation

The terminals P1 and P2 in the georesistivity meter are connected to

a: Current Electrode Explanation

Explanation

b: Potential Electrodes Explanation

Explanation

c: Battery Explanation

Explanation

d: None of the above Explanation

Explanation

The terminals C1 and C2 in the georesistivity meter are connected to

a: Current Electrode Explanation

Explanation

b: Potential Electrodes Explanation

Explanation

c: Battery Explanation

Explanation

d: None of the above Explanation

Explanation

Which of the following instrument is NOT used in this test?

a: Battery Explanation

Explanation

b: Stopwatch Explanation

Explanation

c: Hammer Explanation

Explanation

d: Electrodes Explanation

Explanation