GATE PI purpose:exam-prep PYQs & Answers — Page 60

Questions 591–600 of 650. Imported answers require independent review unless marked reviewed.

Topic practice 650 questionsPage 60 of 65

For a two dimensional state-of-stress defined as

, the Mohr’s circle of stress has

Your answerChoose one option.

center at

and radius

center at

and radius

center at

and radius

center at

and radius

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A specimen of steel has yield strength of 700 MPa. The specimen is subjected to a state of plane-stress with

MPa. The factor of safety according to the von-Mises theory of failure is ________.

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The inside and outside radii of a thick-walled cylindrical pressure vessel are denoted by

and

, respectively. If the vessel is subjected to an internal pressure

, then the magnitude of the radial stress

Your answerChoose one option.

zero at

and maximum at $r = b

maximum at

and zero at $r = b

constant over the entire thickness

zero at both

and $r = b

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A metallic cylindrical casing of an exhaust pipe has inner radius 50 mm and wall thickness 7 mm. If the thermal conductivity of the material of the casing is 50 W/m-K, then the thermal resistance of the casing in K/kW is ________ (up to three decimal places).

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In Value Engineering approach, the value of the product is

Your answerChoose one option.

inversely proportional to its functions and directly proportional to its cost

directly proportional to its functions and inversely proportional to its cost

inversely proportional to its functions as well as its cost

directly proportional to its functions as well as its cost

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Match the ASME process chart symbols with their correct description

Symbols: P. ○; Q. →; R. □; S. ▽; T. D

Description: 1. STORAGE; 2. TRANSPORTATION; 3. OPERATION; 4. DELAY; 5. INSPECTION

Your answerChoose one option.

P-3, Q-4, R-1, S-5, T-2

P-4, Q-2, R-5, S-1, T-3

P-3, Q-2, R-5, S-1, T-4

P-1, Q-5, R-3, S-2, T-4

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In Glass Fiber Reinforced Plastic (GFRP) composites with long fibers, the role of matrix is to (P) support and transfer the stresses to the fibers (Q) reduce propagation of cracks (R) carry the entire load (S) protect the fibers against damage

The correct statements are

Your answerChoose one option.

P, Q and R

Q, R and S

P, Q and S

P, R and S

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Turning, drilling, boring and milling are commonly used machining operations. Among these, the operation(s) performed by a single point cutting tool is(are)

Your answerChoose one option.

turning only

drilling and milling only

turning and boring only

boring only

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In chemical machining, the etch factor is expressed as

Your answerChoose one option.

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A Shewhart

-chart was developed for an in-control process. Considering the probability of a point falling outside the

control limits as 0.0026, the value of average run length for this chart is __________.

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GATE PI purpose:exam-prep PYQs

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