Production and Industrial Engineering
2022 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE PI 2022 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 25–27 of 65. Imported answers require review unless explicitly marked reviewed.
Question 25
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An operator manufactures 10 identical spur gears in a lot. One spur gear is defective in the lot. Three spur gears are drawn at random without replacement. The probability of getting all three gears as non-defective is____________. [round off to two decimal places]
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In a slider crank mechanism (schematic shown in the figure), the crank rotates at 60 revolutions per minute. The radius of the crank is 30 mm and the length of the connecting rod is 120 mm. The average speed (in mm/s) of the piston over one revolution of the crank is____________. [round off to nearest integer]
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Open questionPINAT1 markNeeds review
Water (kinematic viscosity
) is flowing through a circular horizontal pipe of diameter 8 mm. If the flow is laminar and fully developed with a maximum axial velocity of 0.5 m/s, the Reynolds number is____________. [round off to nearest integer]Log in to check the answer
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