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    Answer Key.

    Uploaded by

    Rishabh
    This document contains the answers to multiple choice and numerical exercises related to fluid mechanics. It provides the answers to 5 exercises, with Exercise I containing 75 multiple choice questions, Exercise II containing 9 multiple choice questions, Exercise III containing 20 numerical problems, Exercise IV containing 24 problems of various types and Exercise V containing 19 multiple choice or matching questions. The document serves as a key to check answers to fluid mechanics problems.

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    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd

    Answer Key.

    Uploaded by

    Rishabh
    19 views2 pages
    This document contains the answers to multiple choice and numerical exercises related to fluid mechanics. It provides the answers to 5 exercises, with Exercise I containing 75 multiple choice questions, Exercise II containing 9 multiple choice questions, Exercise III containing 20 numerical problems, Exercise IV containing 24 problems of various types and Exercise V containing 19 multiple choice or matching questions. The document serves as a key to check answers to fluid mechanics problems.

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    Fluids

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    This document contains the answers to multiple choice and numerical exercises related to fluid mechanics. It provides the answers to 5 exercises, with Exercise I containing 75 multiple choice questions, Exercise II containing 9 multiple choice questions, Exercise III containing 20 numerical problems, Exercise IV containing 24 problems of various types and Exercise V containing 19 multiple choice or matching questions. The document serves as a key to check answers to fluid mechanics problems.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    19 views2 pages

    Answer Key.

    Uploaded by

    Rishabh
    This document contains the answers to multiple choice and numerical exercises related to fluid mechanics. It provides the answers to 5 exercises, with Exercise I containing 75 multiple choice questions, Exercise II containing 9 multiple choice questions, Exercise III containing 20 numerical problems, Exercise IV containing 24 problems of various types and Exercise V containing 19 multiple choice or matching questions. The document serves as a key to check answers to fluid mechanics problems.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 2

    Page # 40 FLUID

    : : ANSWER KEY : :

    EXERCISE - I
    1. B 2. D 3. A 4. D 5. B 6. D 7. B
    8. C 9. B 10. C 11. B 12. C 13. B 14. D
    15. A 16. B 17. D 18. A 19. B 20. B 21. C
    22. C 23. D 24. A 25. B 26. A 27. B 28. A
    29. C 30. A 31. B 32. D 33. B 34. B 35. B
    36. B 37. C 38. A 39. B 40. A 41. C 42. D
    43. B 44. C 45. B 46. C 47. B 48. D 49. A
    50. D 51. D 52. D 53. C 54. A 55. B 56. C
    57. D 58. D 59. B 60. B 61. B 62. A 63. B
    64. D 65. C 66. C 67. A 68. A 69. C 70. B
    71. D 72. D 73. D 74. A 75 A

    EXERCISE - II

    1. D 2. A,C 3. A,C 4. B,C 5. D 6. A,C


    7. B,D 8. B 9. D

    EXERCISE - III

    2m 11
    1. h ,H m 2. 101.8 Kgfm 3. 54.4 cm 4. 45, 9600 2 (gauge) N/m2
    32

    10
    5. 100 kg 6. = rad / s , tan = 5 7. 19.6 m, 4 sec 8. 2.79 gm/cc
    3 3

    9. at the water surface, h/2 10. 37.5 N 11. 0.75 12. (a) 5, (b) 2/3

    5000 k
    13.(i) 2500 kg/m3, kg / m 3 (ii) RD = 7.5 kg, RE = 2.5 kg 14. 3/5 15. ( d2 d1 ) Ag
    3 d2

    16. h2 = 3 h1 17. (a) 6 2 m / s , (b) 9.6 2 103 M3 /sec, (c) 4.6 104 N/m2 18. 3: 2
    19. 6.43 104 m3/s 20. 20 cm, 60 cm

    394,50 - Rajeev Gandhi Nagar Kota, Ph. No. : 93141-87482, 0744-2209671


    IVRS No : 0744-2439051, 52, 53, www. motioniitjee.com , hr@motioniitjee.com
    FLUID Page # 41

    EXERCISE - IV

    2( 3 ) 3
    1. 6N 2. 4m/s2, 10%, 0, 45 kPa 3. h1 = = 0.26 ; h2 = 0.195 4. x = 1/3
    15 10

    Y W M m (M m)gx L M m
    5. 6. = 7. (a) g (b) t
    y x z 1 M m (M m)L 2 g M m
    h 2 g tan R h tan
    3

    18g 2
    8. 9. m 10. h1 = h2 11. 80 5 sec, 40 5 sec 12. 431 sec
    19a 80

    13. (i) 4m/s, (ii) F = 7.2 N, (iii) Fmin = 0, Fmax = 52.2 N, (iv) both 4 103 m/s

    d2H2 S 1 2 2 163 388


    14. (a) = 32 Kg f m, (b) SH (1 d) = 2 Kg f m 15. cm, cm
    2g 2 36 36

    12 14 gR
    16. t 17. 18. 2 sec, 1 sec 19. b/3
    15 14 2

    5 1 g 3
    20. (a) (i) D = d , (ii) p = P0 + (6H + L) dg ; (b) (i) v (3H 4h) , (ii) x = h( 3H 4h) (iii) xmax = H
    4 4 2 4

    3g d2 d1 m0
    21. w = 22. (i) 0.2 m/s2, (ii) 2g
    2L d1 A

    23. +29625 J/m3, 30000 J/m3

    24. mmin r 2l( ); if tilted then its axis should become vertical C.M. should be lower than centre of

    bouyancy.

    EXERCISE - V

    1. A 2. D 3. D 4. (a) 0, (b) h = 0.25 cm, (c) a = g/6 (upward)

    1 3g L2 2
    5. x = 2m 6. f 7. C 8. H
    2 2R 2g

    9. C 10. B 11. A
    12. A 13. B 14. D 15. B 16. B
    17. 6 18. A P, T, B Q, S, T, C P, R, T, DQ 19. A,B,D

    394,50 - Rajeev Gandhi Nagar Kota, Ph. No. : 93141-87482, 0744-2209671


    IVRS No : 0744-2439051, 52, 53, www. motioniitjee.com , hr@motioniitjee.com

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