GATE PI format:mcq PYQs & Answers — Page 3

Questions 21–30 of 367. Imported answers require independent review unless marked reviewed.

The ratio of hydrostatic stress to volumetric strain is known as ______.

Your answerChoose one option.

Bulk modulus

Compressibility

Poisson’s ratio

Young’s modulus

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In the given weighted graph, the weights represent distance between the corresponding vertices. The shortest distance between vertex A and vertex E is d. The number of paths with distance d is p.

The value of d/p is ______.

Diagram for Production and Industrial Engineering question 22

Your answerChoose one option.

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Which ONE of the following is NOT an assumption of the economic order quantity (EOQ) model?

Your answerChoose one option.

Demand is known and deterministic.

Lead time is zero.

Stockouts are permissible.

Holding cost for the quantity in stock is linearly increasing with the order quantity.

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Painting is one of the activities in a construction project. For the painting activity that takes 6 days, both the total float and the free float are zero.

Which ONE of the following is TRUE for the painting activity?

Your answerChoose one option.

Painting is a dummy activity.

Painting is a non-critical activity.

The start of painting activity can be delayed without causing delay in completion of the construction project.

The start of painting activity cannot be delayed without causing delay in completion of the construction project.

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In a polymer extrusion process, some cross-sectional shapes of the extruded polymers are shown. Cross-sections of available dies are also shown.

Which ONE of the following CORRECTLY matches the extruded cross section with the die opening that most likely generated it?

Note: The cross-sections are in a plane orthogonal to the extrusion direction. Figures are not to scale.

Cross-section of extruded polymer: (P) circle; (Q) square.

Cross-section of die opening: (1) circular opening; (2) square opening; (3) oval opening; (4) concave, waisted opening.

Diagram for Production and Industrial Engineering question 36

Your answerChoose one option.

P-1; Q-4

P-1; Q-2

P-3; Q-2

P-3; Q-4

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Iron powder produced by gas atomization has a tap density and an apparent density of 3.26 g/cm

and 2.66 g/cm

, respectively. The density of solid iron is 7.85 g/cm

Which ONE of the following options is the closest approximation to the degree of densification (in percentage) of this iron powder?

Your answerChoose one option.

41.52

81.59

33.89

75.41

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Which ONE of the following options CORRECTLY matches the matrices to their properties?

Matrix P =

; Q =

; R =

; S =

Properties: 1 Singular; 2 Triangular; 3 Symmetric; 4 Trace free.

Your answerChoose one option.

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

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

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

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

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A sheet metal drawing is considered feasible if the following conditions are met: • Reduction ratio < 0.5 • Thickness to diameter ratio > 1%

A sheet metal drawing process is being planned on a sheet metal with a thickness of 2 mm with a punch of diameter 100 mm with various blanks of diameter

Which ONE of the following blank diameters

(in mm) will result in feasible drawing?

Your answerChoose one option.

150

250

350

450

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A student is trying to determine the flatness and parallelism of the top surface of a part whose cross-section, assumed uniform in the Z direction, is shown in the figure.

Which ONE of the following options is CORRECT?

The diagram labels the measured quantities

and

, shows the part profile, datum, and X, Y, Z axes.

Diagram for Production and Industrial Engineering question 40

Your answerChoose one option.

is flatness while

is parallelism.

is parallelism while

is flatness.

is parallelism while

is flatness.

is flatness while

is parallelism.

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The function,

, signifies the likelihood that a component has survived up to time

and fails in the next instant of time.

where

denotes the probability density function for time to failure with corresponding cumulative distribution function given by,

Which ONE of the following represents

Your answerChoose one option.

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GATE PI format:mcq PYQs

Question 21

Question 22

Question 23

Question 24

Question 36

Question 37

Question 38

Question 39

Question 40

Question 41