Advertisements
Advertisements
Question
The inner radius of a pipe is 2.1 cm. How much water can 12 m of this pipe hold?
Solution
Inner radius of pipe = 2.1 cm
Length of the pipe = 12 m = 1200 cm
∴ Volume = πr2h
= `22/7 xx 2.1 xx 2.1 xx 1200` cm3
= 16632 cm3
APPEARS IN
RELATED QUESTIONS
A circus tent is cylindrical to a height of 8 m surmounted by a conical part. If total height of the tent is 13 m and the diameter of its base is 24 m; calculate :
- total surface area of the tent,
- area of canvas, required to make this tent allowing 10% of the canvas used for folds and stitching.
A hollow cylinder has solid hemisphere inward at one end and on the other end it is closed with a flat circular plate. The height of water is 10 cm when flat circular surface is downward. Find the level of water, when it is inverted upside down, common diameter is 7 cm and height of the
cylinder is 20 cm.
A test tube consists of a hemisphere and a cylinder of the same radius. The volume of the water required to fill the whole tube is `5159/6 cm^3` and `4235/6 cm^3` of water is required to fill the tube to a level which is 4 cm below the top of the tube. Find the radius of the tube and the length of its cylindrical part.
How much water will a tank hold if the interior diameter of the tank is 1.6 m and its depth is 0.7 m?
The diameter of the cross-section of a water pipe is 5 cm. Water flows through it at 10km/hr into a cistern in the form of a cylinder. If the radius of the base of the cistern is 2.5 m, find the height to which the water will rise in the cistern in 24 minutes.
Water flows through a cylindrical pipe of internal diameter 7 cm at 36 km/hr. Calculate the time in minutes it would take to fill the cylindrical tank, the radius of whose base is 35 cm, and height is 1 m.
The ratio of the volumes of a cylinder, a cone and a sphere, if each has the same diameter and same height is
A cone, a hemisphere and a cylinder stand on equal bases and have the same height. The ratio of their volumes is 1 : 2 : 3.
The volume of a cylinder which exactly fits in a cube of side a is ______.
A rectangular sheet of paper is rolled in two different ways to form two different cylinders. Find the volume of cylinders in each case if the sheet measures 44 cm × 33 cm.
