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মেকানিক্যাল ইঞ্জিনিয়ারিং

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রসায়ন

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গণিত

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ME/IPE/MME

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3551. MCQPractice set · Question 3

Tensile stress কী করে?

a.
member-কে প্রসারিত করে
b.
member-কে সংকুচিত করে
c.
শুধু twist করে
d.
fluid flow করায়

Correct answer: a

Tensile stress pulling force-এর কারণে length বাড়াতে চায়।

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3552. MCQPractice set · Question 4

Compressive stress কী করে?

a.
member-কে সংকুচিত করে
b.
length বাড়ায়
c.
surface wet করে
d.
density শূন্য করে

Correct answer: a

Compressive stress pushing force-এর কারণে length কমাতে চায়।

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3553. MCQPractice set · Question 5

Shear stress কী?

a.
area-এর parallel force/area
b.
normal force/volume
c.
mass/area
d.
energy/time

Correct answer: a

Tangential বা parallel force-এর কারণে shear stress shape পরিবর্তন করে।

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3554. MCQPractice set · Question 6

Stress-এর SI unit কী?

a.
pascal
b.
joule
c.
watt
d.
metre

Correct answer: a

Stress-এর SI unit Pa বা N/m²।

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3555. MCQPractice set · Question 7

Strain কী?

a.
deformation/original dimension
b.
force/area
c.
mass/volume
d.
work/time

Correct answer: a

Strain applied stress-এর ফলে relative deformation।

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3556. MCQPractice set · Question 8

Longitudinal strain-এর সূত্র কী?

a.
change in length/original length
b.
force/area
c.
area/volume
d.
mass/length

Correct answer: a

Axial deformation-এর ratio longitudinal strain।

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3557. MCQPractice set · Question 9

Lateral strain কী?

a.
transverse dimension-এর পরিবর্তন/original transverse dimension
b.
axial force/area
c.
volume/mass
d.
work/time

Correct answer: a

Axial load-এর perpendicular direction-এর strain হলো lateral strain।

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3558. MCQPractice set · Question 10

Volumetric strain কী?

a.
change in volume/original volume
b.
change in length/area
c.
force/volume
d.
mass/area

Correct answer: a

Volume deformation-এর relative measure volumetric strain।

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3559. MCQPractice set · Question 11

Shear strain কী মাপে?

a.
angular distortion
b.
mass change
c.
volume only
d.
temperature only

Correct answer: a

Shear strain shape বা angle-এর পরিবর্তন প্রকাশ করে।

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3560. MCQPractice set · Question 12

Strain-এর unit কী?

a.
dimensionless
b.
pascal
c.
newton
d.
metre

Correct answer: a

Strain একই ধরনের dimension-এর ratio, তাই unitless।

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