GATE PI topic:manufacturing PYQs & Answers — Page 29

Questions 281–290 of 650. Imported answers require independent review unless marked reviewed.

Topic practice 650 questionsPage 29 of 65

Match the symbols with their meanings.

Therbl symbol: P

Diagram for Production and Industrial Engineering question 21

; Q

Diagram for Production and Industrial Engineering question 21 (figure 2)

; R

Diagram for Production and Industrial Engineering question 21 (figure 3)

; S

Diagram for Production and Industrial Engineering question 21 (figure 4)

. Meaning: 1 Rest for overcoming fatigue; 2 Avoidable delay; 3 Inspect; 4 Search.

Your answerChoose one option.

P-4, Q-3, R-1, S-2

P-4, Q-3, R-2, S-1

P-3, Q-4, R-1, S-2

P-3, Q-4, R-2, S-1

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Match the types of layout with the types of production.

Type of layout: P Process layout; Q Product layout; R Fixed position layout. Type of production: 1 Job production; 2 Batch production; 3 Mass production.

Your answerChoose one option.

P-2, Q-3, R-1

P-3, Q-1, R-2

P-2, Q-1, R-3

P-3, Q-2, R-1

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Matrix A as a product of two other matrices is given by

The value of det(A) is ____________. [round off to nearest integer]

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The order of the following differential equation is____________. [in integer]

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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]

Diagram for Production and Industrial Engineering question 26

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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]

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Yielding starts in a material when the principal stresses are 100 MPa, 100 MPa and 200 MPa. As per the von Mises criterion, yield stress (in MPa) of the material is____________. [round off to nearest integer]

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A single-point cutting tool with zero rake angle is used for orthogonal machining. If the chip-compression ratio is 1.25, then the shear angle (in degree) during machining is____________. [round off to one decimal place]

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It is required to cut a single-start thread of 2 mm pitch in a lathe machine with a single-start lead screw of 4 mm pitch. For one revolution of the workpiece, the number of revolution of the lead screw is____________. [round off to two decimal places]

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GATE PI topic:manufacturing PYQs

Question 21

Question 22

Question 23

Question 24

Question 25

Question 26

Question 27

Question 28

Question 29

Question 30