GATE GG-1 kind:question PYQs & Answers — Page 7

Questions 61–70 of 650. Imported answers require independent review unless marked reviewed.

An oblique-slip normal fault dipping 60°E shows a net slip of 100 m. If the net slip vector has a pitch of 30°, then the heave of the fault is ________ m (answer in integer).

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A mafic magma with ‘Sr’ concentration of 400 ppm has undergone 60% fractional crystallization. If ‘Sr’ is incompatible in the mineral assemblage that crystallizes from the magma with a bulk distribution coefficient of 0.2, the concentration of ‘Sr’ in the residual liquid is __________ ppm (rounded off to nearest integer).

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The Fe-Mg exchange reaction between olivine and spinel is the following:

Mg₂SiO₄ + 2FeAl₂O₄ ↔ Fe₂SiO₄ + 2MgAl₂O₄ (Fosterite) (Fe-spinel) (Fayalite) (Mg-spinel)

Assuming ideal solid solutions, the temperature of equilibrium between olivine and spinel using the following data is __________ °C (round off to nearest integer).

[Assume that ΔHᵣ⁰ and ΔSᵣ⁰ are independent of P and T, and Kd is independent of P]

| ΔHᵣ⁰ (kJ/mol) | ΔSᵣ⁰ (J/mol. K) | Kd = [(xFe^Ol xMg^Sp)/(xMg^Ol xFe^Sp)]² | R (J/mol. K) | | −10.91 | −3.90 | 3.024 | 8.314 |

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The bore hole distribution of a massive sulphide deposit represented in the form of equilateral triangular pattern is given below. If the average thickness of the ore body is 30 m, the tonnage in the shaded area is ________ million tons (rounded off to two decimal places).

[Use: Bulk density of ore body = 4400 kg/m³]

Diagram for Geology and Geophysics question 64

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An aquifer has a surface area of 100 km². With no recharge, assume that pumping out 2 × 10⁷ m³ of ground water resulted in a drop of the water table by 6 m. If the aquifer has a specific retention of 15 %, then the porosity of the aquifer is _____ % (rounded off to one decimal place).

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Is there any good show ______ television tonight?

Select the most appropriate option to complete the above sentence.

Your answerChoose one option.

within

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As the police officer was found guilty of embezzlement, he was ______ dismissed from the service in accordance with the Service Rules.

Select the most appropriate option to complete the above sentence.

Your answerChoose one option.

sumptuously

brazenly

unintentionally

summarily

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The sum of the following infinite series is:

Your answerChoose one option.

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A thin wire is used to construct all the edges of a cube of 1 m side by bending, cutting and soldering the wire. If the wire is 12 m long, what is the minimum number of cuts required to construct the wire frame to form the cube?

Your answerChoose one option.