GATE (Graduate Aptitude Test in Engineering) Geology & Geophysics: Questions 150 - 154 of 158

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Question 150

Silicate Crystal Structure

Question

MCQ▾

Which of the following is NOT a variety of silica (SiO2) ?

Choices

Choice (4)Response

a.

Coesite

b.

Jasper

c.

Flinkite

d.

Stishovite

Question 151

Appeared in Year: 2014

Question

MCQ▾

In electromagnetic sounding, the depth of investigation________ with increasing frequency.

(Carry one mark each)

Choices

Choice (4)Response

a.

Decreases

b.

Remains unchanged

c.

Varies randomly

d.

Increases

Question 152

Question

MCQ▾

Calculate the concentration (in ppm) of Ni in olivine that crystallizes from a basaltic magma containing 20 ppm Ni. The partition coefficient (solid/melt) of nickel is 5.

Choices

Choice (4)Response

a.

4

b.

20

c.

500

d.

100

Question 153

Basic Concepts

Question

MCQ▾

A major thrust in the Himalayas has resulted in intense shearing of a zone about 0.5 km wide on either side of the thrust leading to landslides. Which GIS function can be used to display the shear zone?

Choices

Choice (4)Response

a.

Search

b.

Proximity (buffer)

c.

Contiguity (adjacency)

d.

Spread

Question 154

Appeared in Year: 2014

Question

MCQ▾

The best match of terms in Group I with those in Group II is (Carry two marks each)

Table of the Group I and Group II
Group IGroup II
PAlkali reaction1Tunneling in hard rocks
QArching2Earth dam
RRip rap3Concrete aggregate
SClay core4Surface slope protection
5Concrete gravity dam

Choices

Choice (4)Response

a.

P-1; Q-3; R-4; S-2

b.

P-4; Q-5; R-1; S-3

c.

P-3; Q-1; R-4; S-2

d.

P-5; Q-4; R-2; S-3

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