Mining Engineering
2026 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE MN 2026 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 34–36 of 65. Imported answers require review unless explicitly marked reviewed.
Question 34
Open questionMNNAT1 markNeeds review
In an underground mine atmosphere, the alcohol of a Kata thermometer took 60 s to fall from 38 °C to 35 °C. The Kata factor of the thermometer is 480 milli-calories cm⁻². The Kata cooling power, in W m⁻², is ____________. (rounded off to one decimal place)
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Open questionMNNAT1 markNeeds review
A belt is wrapped around a pulley as shown. The coefficient of friction between the belt and pulley is 0.3. If there is no slippage between the belt and pulley, the angle of wrap (θ), in degrees, is ____________. (rounded off to two decimal places)
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Open questionMNMCQ2 marksNeeds review
The value of the determinant of the Hessian of
at its stationary point isYour answerChoose one option.
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