Geology and Geophysics
GATE GG-1 Resource geology PYQs
Build your understanding with focused practice from past exam papers.
Questions 31–40 of 42. Imported answers require independent review unless marked reviewed.
Question 48
Open questionPART-B SECTION-1MCQ2 marksNeeds review
Choose the CORRECT set of statements.
Statement I: The hydrocarbon source rock in Cambay basin is of Jurassic age.
Statement II: Boholla field is in Assam basin.
Statement III: Toluene is an aromatic hydrocarbon.
Statement IV: Porosity of a reservoir rock increases with increase in sorting.
Your answerChoose one option.
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Open questionPART-B SECTION-1NAT2 marksNeeds review
For producing 1 kg of gold from an ore having an assay of 2 ppm Au, ________ × 10³ kg of ore needs to be processed.
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Open questionPART-AMCQ1 markNeeds review
Brown coal that has high moisture content and commonly retains many of the original wood fragments is called
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Open questionPART-B GEOLOGY (SECTION 1)MCQ2 marksNeeds review
Which one of the following ore minerals shows internal reflection?
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Open questionPART-B GEOLOGY (SECTION 1)MCQ2 marksNeeds review
Two coeval primary aqueous biphasic fluid inclusions, X (liquid-rich) and Y (vapor-rich), occur in the same grain of the host mineral. Which one of the following situations most likely indicates boiling of the fluid?
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Open questionPART-B GEOLOGY (SECTION 1)NAT2 marksNeeds review
During bench blasting in a quarry, 50 kg of an explosive with a yield of 5 MegaJoule/kg is required to break 100 m
of marble. In this case, the energy expended in breaking a unit volume of marble in MegaNewton/m
would be ____________.Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 30
Open questionGG-1MCQ2 marksNeeds review
The empirical probability distribution of gold (Au) grades shows a unimodal distribution with mode = 2 g/t, median = 3 g/t, and mean = 5 g/t. This probability distribution is
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Open questionGG-1MCQ2 marksNeeds review
Match the following classical ore deposits (Group-I) with their associated ore minerals (Group-II)
Group-I
P. Sudbury type deposit
Q. Mississippi valley type deposit
R. Climax type deposit
S. IOCG type deposit
Group-II
Molybdenite
Uraninite and chalcopyrite
Pentlandite
Psilomelane
Sphalerite and Galena
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Open questionGG-1NAT2 marksNeeds review
2 g air dried coal contains 0.2 g moisture, 0.3 g ash and 0.5 g volatile matter. The volatile matter content in the coal in dry mineral matter free (d.m.f) basis is __________ %.
(mineral matter content = 1.1×ash content)
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Open questionGG-1MCQ2 marksNeeds review
The approximate temperature for ‘oil window’ ranges from
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