Your next chapter starts hereExplore admission guide
PRACTICE QUESTION BANK

ফুড ইঞ্জিনিয়ারিং

Department
18748Questions
18748MCQ
0CQ / Written
0%0 covered

Subjects / বিষয়

Non-Technical · Shared by all departments

রসায়ন

15 chapters

6500 questions6500 MCQ0 CQ
0/6500 covered0%
0%

Non-Technical · Shared by all departments

গণিত

4 chapters

2500 questions2500 MCQ0 CQ
0/2500 covered0%
0%

Non-Technical · Shared by all departments

ইংরেজি

11 chapters

2800 questions2800 MCQ0 CQ
0/2800 covered0%
0%

Questions

0 read · 0 practiced · 0 answered in exams
2221. MCQPractice set · Question 73

Lift upward acceleration g হলে apparent weight কত?

a.
2mg
b.
mg
c.
0
d.
mg/2

Correct answer: a

N=m(g+g)=2mg।

Sign in to save reading progress

2222. MCQPractice set · Question 74

Lift downward acceleration g হলে passenger কী অনুভব করে?

a.
weightlessness
b.
double weight
c.
heavy weight
d.
no acceleration

Correct answer: a

Normal reaction zero হলে apparent weightlessness।

Sign in to save reading progress

2223. MCQPractice set · Question 75

Gravitational potential energy-এর unit কোনটি?

a.
joule
b.
J/kg
c.
newton/kg
d.
m/s²

Correct answer: a

Potential energy একটি energy, তাই unit joule।

Sign in to save reading progress

2224. MCQPractice set · Question 76

Gravitational potential-এর unit ও potential energy-এর unit-এর পার্থক্য কী?

a.
potential J/kg, energy J
b.
দুটিই J
c.
potential N, energy kg
d.
energy J/kg

Correct answer: a

Potential হলো energy per unit mass।

Sign in to save reading progress

2225. MCQPractice set · Question 77

একটি body height h-এ স্থির থাকলে gravitational kinetic energy কত?

a.
0
b.
mgh
c.
GMm/r
d.
mg

Correct answer: a

স্থির body-এর kinetic energy zero।

Sign in to save reading progress

2226. MCQPractice set · Question 78

একটি body free fall করলে potential energy কমে কোন energy বাড়ে?

a.
kinetic energy
b.
mass energy only
c.
chemical energy
d.
potential energy

Correct answer: a

Gravity-এর conservative work kinetic energy বাড়ায়।

Sign in to save reading progress

2227. MCQPractice set · Question 79

Escape trajectory-তে total mechanical energy minimum কত?

a.
0
b.
negative infinity
c.
GMm/R
d.
mgR

Correct answer: a

Minimum escape condition-এ infinity-তে total energy zero।

Sign in to save reading progress

2228. MCQPractice set · Question 80

Escape speed-এর চেয়ে কম speed দিলে body কী করবে?

a.
bound trajectory-তে থাকবে
b.
infinity-তে পালাবে
c.
mass হারাবে
d.
gravity repulsive হবে

Correct answer: a

Insufficient energy থাকলে body gravitationally bound থাকে।

Sign in to save reading progress

2229. MCQPractice set · Question 81

Escape speed-এর চেয়ে বেশি speed দিলে ideal case-এ কী হবে?

a.
body escape করবে
b.
body surface-এ থাকবে
c.
speed zero হবে
d.
mass বাড়বে

Correct answer: a

Positive total energy থাকলে body infinity-তে যেতে পারে।

Sign in to save reading progress

2230. MCQPractice set · Question 82

Planet-এর surface gravity g ও radius R জানা থাকলে escape speed কীভাবে লেখা যায়?

a.
√(2gR)
b.
√(g/R)
c.
2gR
d.
gR²

Correct answer: a

GM=gR² বসালে v_e=√(2gR)।

Sign in to save reading progress