MCQ Practice Pharmacy বাংলাদেশ কোস্ট গার্ডের উহ-সহকারী প্রকৌশলী (পূর্ত)-২০২০ 📖 একটি d diameter - এর Circular pipe- এ Hydraulic mean Depth হলো --- ক $\frac{d}{2}$খ $\frac{d}{4}$গ $\frac{d}{6}$ঘ d Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up This question appeared in coastguard Deputy Assistant Engineer, Civil Recruitment Question Bank 2020 Question 26 coastguard Deputy Assistant Engineer, Civil Recruitment Question Bank 2020 Question 26 coastguard Deputy Assistant Engineer, Civil Recruitment Question Bank 2020 Question 26