Geology [GATE (Graduate Aptitude Test in Engineering) Geology & Geophysics]: Questions 29 - 31 of 82

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Question 29

Geology
Sedimentary Facies

Appeared in Year: 2014

Question

Assertion-Reason▾

Assertion(Ꭺ)

Two Soil Samples S1 and S2

S1 has a higher value of uniformity coefficient than S2. (Carry two marks each)

Reason(Ꭱ)

S1 has less variation in grain-size than S2.

Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

b.

Both Ꭺ and Ꭱ are false

c.

Ꭺ is false but Ꭱ is true

d.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

Question 30

Appeared in Year: 2014

Question

MCQ▾

In an ore mine exposing stratified sulfide ore with sulfide bands having thickness between 10 and 100 cm, which one of the following sampling methods is the most appropriate?

(Carry two marks each)

Choices

Choice (4)Response

a.

Grab sampling

b.

Channel sampling

c.

Chip sampling

d.

Bulk sampling

Question 31

Geology
Classification

Appeared in Year: 2014

Question

Match List-Ⅰ List-Ⅱ▾

Match the alkaline rocks listed in Group I with their characteristics listed in Group II

(Carry two marks each)

List-Ⅰ (Column-I)List-Ⅱ (Column-II)
(A)

Basanite

(i)

Ultrapotasic volcanic rock

(B)

Shonshonite

(ii)

K-rich basalt

(C)

Lamproite

(iii)

Feldspathoid-bearing basalt

(D)

Nephelinite

(iv)

Volcanic rock lacking feldspar

Choices

Choice (4)Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (ii)
  • (i)
  • (iii)
  • (iv)

b.

  • (iii)
  • (ii)
  • (i)
  • (iv)

c.

  • (i)
  • (iii)
  • (ii)
  • (iv)

d.

  • (ii)
  • (iii)
  • (i)
  • (iv)

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