### Discussion :: Center of Gravity and Centroid - General Questions (Q.No.1)

Arpit Lasod said: (Jan 5, 2011) | |

volume of cylinder = pi*r*r*h = pi*4*4 = 50.26 volume of cone = 1/3*pi*r*r*h = 0.333*pi*4*1.5 = 6.27 volume of cylinder + volume of cone = 56.53 |

B Mccormick said: (Jan 19, 2012) | |

Surface area of cylinder = pi*d*height 3.14x4x4=50.2m2 Surface area of cone = pi*r*s s=hyp of triangle s=sqr root(2^2+1.5^2) s= 2.5m pi*r*s = 15.7m2 total = 50.2+15.7=65.9m2 /2.5m2 = 26.4 liters of paint |

Rajkaran Vaishya said: (Oct 1, 2012) | |

Engineering mechanics is good for us. That problem is very hard. |

Shiv Bhardwaj said: (Jun 4, 2013) | |

Volume of cylinder volume of cone = Total volume. & you know very well :). |

Aniket said: (Aug 17, 2014) | |

Amount of paint required is total surface of tank divided by the area paint covers in 1 l; worked out that comes to 26.4 l, had to refer to a site for knowing surface area of cone ;); Also, for painting do we need to consider base surface of tank? |

Rohit Nandan Tiwari said: (Sep 3, 2015) | |

Please anyone tell me about how much liters of paint in use. |

Mithun Kumar said: (Dec 2, 2015) | |

Volume = Volume of cylinder+Volume of cone = 56.53 m^3. |

Mohana Vignesh said: (Nov 22, 2016) | |

The volume of cylinder = π * r * r * h = π * 4 * 4 = 50.26. The volume of cone = 1/3* π * r * r * h = 0.333 * π * 4 * 1.5 = 6.27. The volume of cylinder + volume of cone = 56.53. |

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