GATE (Graduate Aptitude Test in Engineering) Geology & Geophysics: Questions 42 - 46 of 158

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Question 42

Appeared in Year: 2014

Question

MCQ▾

The velocity discontinuity between the upper crust and the lower crust is known as ________ discontinuity. (Carry one mark each)

Choices

Choice (4)Response

a.

Conrad

b.

Lehmann

c.

Mohorovicic

d.

Gutenberg

Question 43

Question

MCQ▾

During its orbital motion around the Sun, the Earth is nearest to the Sun on

Choices

Choice (4)Response

a.

July 4

b.

January 3

c.

September 23

d.

March 21

Question 44

Nomenclature and Classification of Folds and Faults

Appeared in Year: 2014

Question

MCQ▾

Horizontal slickensides are observed on the surface of a vertical fault. What is the type of fault? (Carry one mark each)

Choices

Choice (4)Response

a.

Reverse fault

b.

Normal fault

c.

Oblique fault

d.

Strike-slip fault

Question 45

Strain and Material Respons

Appeared in Year: 2014

Question

MCQ▾

For earthquakes of magnitudes 6 and 7, the seismic wave amplitudes are A6 and A7 and the radiated energies are E6 and E7 respectively. (Carry one mark each)

Choices

Choice (4)Response

a.

b.

c.

d.

Question 46

Classification

Question

MCQ▾

A potassic ultrabasic hybrid igneous rock containing macrocrysts of olivine, Cr-rich diopside, phlogopite and pyrope in a groundmass of serpentine, carbonate and perovskite can be named as

Choices

Choice (4)Response

a.

Harzburgite

b.

Kimber lite

c.

Ijolite

d.

Melilitolite

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