Engineering Board Exam Reviewer · Fluid Mechanics · medium

A stone weighs 600 N in air and 400 N when fully submerged in water. What is its volume?

  1. 0.06116 m3
  2. 0.04077 m3
  3. 0.20000 m3
  4. 0.02039 m3

Answer

D. 0.02039 m3

Solution

Buoyant force = 600 - 400 = 200 N = V V = 200/9810 = 0.02039 m3.

More Fluid Mechanics questions

  1. An iceberg (SG = 0.92) floats in seawater (SG = 1.03). What fraction of its volume is above the water surface?
  2. A wooden block with a specific gravity of 0.6 floats in water. What fraction of its volume is submerged?
  3. What is the buoyant force on a 0.5 m3 block fully submerged in fresh water?
  4. A quarter-circle gate of radius 2 m and width 1 m holds water on its curved (concave) side, with the water surface level with the top of…
  5. A rectangular gate 1 m wide and 3 m long is inclined at 60° to the horizontal, with its upper edge at the water surface. What is the…
  6. Water stands 6 m deep against a vertical wall 10 m long. At what height above the base does the resultant hydrostatic force act?
  7. What is the total hydrostatic force per meter of length on a vertical dam face holding water 4 m deep?
  8. A circular gate 1 m in diameter is placed vertically in a dam wall with its center 3 m below the water surface. What is the total…
  9. A vertical rectangular gate 2 m wide and 3 m high has its top edge 2 m below the water surface. Find the location of the center of…
  10. A vertical rectangular gate 2 m wide and 3 m high has its top edge at the water surface. How far below the water surface is the center of…

All Fluid Mechanics Reviewer questions