In a ___________ hydrometer the body is made to immerse always to the same extent whatever the liquid may be.
variable immersion
common
Nicholson’s
invariable
What is the specific Gravity of water at 4oC?
1.0×10o
1.0 × 101
1.0 x 102
1.0×103
Hydrometer is used for measuring _____________.
volume of a liquid
mass of a liquid
velocity of a liquid
specific gravity of a liquid
A cube has a side of 5 cm. It has a mass of 250 grams. The density of the cube is
50 g/cm3 and will float in water.
2.0 g/cm3 and will float in water
50 g/cm3 and will sink in water
2.0 g/cm3 and will sink in water
A bottle has a mass of 35.00 gm when empty and 98.44 g when filled with water. When filled with another liquid, the mass is 88.78 g. What is the specific gravity of the fluid?
0.90
0.81
0.85
1.18
An object can float provided its _______ is ________ than the _______ of the liquid.
mass ,less ,mass
mass, greater ,density
density, less,density
density , less ,mass
In C.G.S. system, the unit of density is _______________.
pounds / cubic feet
grams / c.c.
kilogram / cubic meter
has no units
The density of a submerged submarine is about the same as the density of
water
a crab
iron
a floating submarine
Why does a duck float?
The weighs less than water.
The duck can swim
The duck has feathers.
The duck has smaller density than water.
The relative density of silver is 10.8. If the density of water be 1.0 x 103 kg m-3,calculate the density of silver in SI units.
10.8 x 103 kg m-3
1.08 x 103 kg m-3
9.2 x 103 kg m-3
none of these
