Hydrometer measures the specific gravity of liquids based on the principles of buoyancy. Pycnometer is used to measure the specific gravity of

A pycnometer is used for the measurement of

A

Flow rate of molten metal

B

Specific gravity of a liquid

C

Composition of alloys

D

Concentration of a solution

A ship is berthed in a chamber and lifted by principles of buoyancy Such a chamber is called.

A

Dry dock

B

Wet dock

C

Floating dock

D

Refuge dock

A submerged body is said to be in a stable equilibrium, if its centre of gravity __________ the centre of buoyancy.

A

Coincides with

B

Lies below

C

Lies above

D

None of these

Hydrometer is used to determine

A

Specific gravity of liquids

B

Specific gravity of solids

C

Specific gravity of gases

D

Relative humidity

In hydrometer analysis for a soil mass

A

both meniscus correction and dispersing agent correction are additive

B

both meniscus correction and dispersing agent correction are subtractive

C

meniscus correction is additive and dispersing agent correction is subtractive

D

meniscus correction is subtractive and dispersing agent correction is additive

The hydrometer method of sedimentation analysis differs from the pipette analysis mainly in

A

the principle of test

B

the method of taking observations

C

the method of preparation of soil suspension

D

all of the above

Hydrometer readings are corrected for:

A

Temperature correction

B

Meniscus correction

C

Dispersing agent correction

D

Temperature, meniscus and dispersing agent corrections

In order that a hydrometer may float vertically in electrolyte its C.G. should be

A

lowered

B

raised

C

undisturbed

D

displaced sideways

A metal with specific gravity of 'a' floating in a fluid of same specific gravity 'a' will

A

Sink to bottom

B

Float over fluid

C

Partly immersed

D

Be fully immersed with top surface at fluid surface

A metal with specific gravity of o floating in a fluid of same specific gravity a will

A

sink to bottom

B

float over fluid

C

partly immersed

D

be fully immersed with top surface at fluid surface

Hydrometer measures the specific gravity of liquids based on the principles of buoyancy. Pycnometer is used to measure the specific gravity of

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