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Questions on curved surfaces (in English)
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This lesson throws light on questions on curved surfaces.

Harshit Aggarwal
Cleared UPSC ESE twice with Rank 63 and 90 in mechanical engg. Got 99 percentile in GATE. Cracked ONGC, BHEL,ISRO, SAIL, GAIL successfully

U
Good job sir
1. COURSE: UNDERSTANDING FLUID MECHANICS W TH QUESTIONS-(11) LESSON: CURVED SURFACE PART I

2. ABOUT ME Graduated from NIT Nagpur in 2008 Cleared Engineering Services Examination (ESE-UPSC) Exam Got the offer letter from most of the Maharatna and Navratna Companies Cleared GATE Exam Rate, Review, Recommend, Share Follow me on Unacademy at: https://unacademy.in/user/harshit aggarwal

3. QUESTION Determine moment of vertical component of hydrostatic thrust on one quadrant of cylinder as shown in fig a) 7.854 KNm b) 10.00 KNm c) 1.781 KNm d) 15.708 KNm FV Len gth 3m watey O kN m

4. SOLUTION One quadrant of cylinder, diameter is 2m and length is 3m .3 3A A" Len gh3m RIm water

5. QUESTION waler forta A quadrant of cylinder diameter4m, width is unity Find i) Horizontal hydrostatic force (KN) ii) Vertical hydrostatic force (KN) ii) Resultant hydrostatic force (KN) and its orientation iv) Moment of vertical component of water force

6. SOLUTION I. Horizontal hydrostatic force (KN) 2 2. 9 62kN

7. SOLUTION 2.Vertical Hydrostatic Force weight of wo k displaced isaty Wakr x 30.8IkN

8. SOLUTION 3. Resultant Hydrostatic Force h/2 ht 36 SKN 3 FH fan FH FV c 525

9. SOLUTION 4. Moment of vertical force about h/2 ht 3 30-31x 4x2 26.48 KNm FV

10. QUESTION A hollow hemispherical object of diameter'D' is immersed in water with its plane surface coinciding with the free surface of the water.What is the vertical component of hydrostatic force on curved surface of the given object? a) 3/8 yTD3 b) I/12ymD c) 124yTD d) zero

11. THANK YOU