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উড়োজাহাজের গতি নির্ণায়ক যন্ত্রের নাম কি ?

Ferdows blog

প্রশ্ন: উড়োজাহাজের গতি নির্ণায়ক যন্ত্রের নাম কি ?

ক. ওডোমিটার

খ. ট্যাকোমিটার

গ. অডিওমিটার

ঘ. অ্যালটিমিটার

উত্তর: (খ) ট্যাকোমিটার ।

ব্যাখ্যা: উড়োজাহাজের গতি নির্ণায়ক যন্ত্রের নাম হলো ' ট্যাকোমিটার ' ।

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