JU • জাহাঙ্গীরনগর বিশ্ববিদ্যালয় বি ইউনিট ভর্তি পরীক্ষা ২০২৪-২০২৫ (সেট B)
প্রশ্ন ও সমাধান
In the fifth paragraph, the author suggests that the steam engine used in earlier aircraft had failed because-
- ক
they were too small to power a large plane.
- খ
they were too light to generate enough power.
- গ
they did not have internal combustion power.
- ঘ
they did not have enough power to lift their own weight.
আরও প্রশ্ন অনুশীলন করতে অ্যাপে যাও