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PRACTICE QUESTION BANK

সিভিল ইঞ্জিনিয়ারিং

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3601. MCQPractice set · Question 53

Barometer কী মাপে?

a.
atmospheric pressure
b.
viscosity
c.
density only
d.
surface tension

Correct answer: a

Barometer mercury বা অন্য ব্যবস্থা দিয়ে atmospheric pressure মাপে।

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3602. MCQPractice set · Question 54

Manometer কী মাপে?

a.
fluid pressure difference
b.
elastic modulus
c.
temperature only
d.
mass only

Correct answer: a

Manometer liquid column দিয়ে pressure বা pressure difference নির্ণয় করে।

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3603. MCQPractice set · Question 55

Gauge pressure কী?

a.
absolute pressure − atmospheric pressure
b.
absolute + atmospheric
c.
mass/volume
d.
force×area

Correct answer: a

Gauge pressure atmospheric reference-এর তুলনায় pressure।

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3604. MCQPractice set · Question 56

Absolute pressure কী?

a.
gauge pressure + atmospheric pressure
b.
gauge−atmospheric
c.
force/volume
d.
density×area

Correct answer: a

Absolute pressure vacuum reference থেকে মাপা হয়।

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3605. MCQPractice set · Question 57

Bernoulli principle-এ ideal flow-তে pressure বাড়লে speed কী হয়?

a.
কমে
b.
বাড়ে
c.
অপরিবর্তিত
d.
শূন্য

Correct answer: a

একই streamline-এ pressure ও velocity head বিপরীতভাবে পরিবর্তিত হয়।

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3606. MCQPractice set · Question 58

Continuity equation কী সংরক্ষণ করে?

a.
mass flow
b.
heat only
c.
surface tension
d.
elastic strain

Correct answer: a

Steady incompressible flow-তে A v constant mass conservation প্রকাশ করে।

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3607. MCQPractice set · Question 59

Reynolds number কী নির্দেশ করে?

a.
flow regime
b.
density only
c.
pressure only
d.
surface tension only

Correct answer: a

Reynolds number inertial ও viscous force-এর relative importance বোঝায়।

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3608. MCQPractice set · Question 60

Low Reynolds number flow সাধারণত কেমন?

a.
laminar
b.
turbulent
c.
supersonic
d.
solid

Correct answer: a

Low Reynolds number-এ viscous effect dominant এবং flow laminar হয়।

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3609. MCQPractice set · Question 61

High Reynolds number flow সাধারণত কেমন?

a.
turbulent হওয়ার প্রবণতা
b.
শুধু laminar
c.
স্থির
d.
vacuum

Correct answer: a

High Reynolds number-এ inertial effect বেশি, turbulence-এর প্রবণতা থাকে।

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3610. MCQPractice set · Question 62

Laminar flow-এর বৈশিষ্ট্য কী?

a.
parallel smooth layers
b.
random eddies
c.
no velocity
d.
solid body

Correct answer: a

Laminar flow-এ fluid orderly parallel layers-এ চলে।

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