GK
UNITS DEVICES DIMENSIONS AND MEASUREMENTS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Which instrument is used to determine the density and coefficient of expansion of liquids?
|
|
Periscope
|
|
|
Polygraph
|
|
|
Pykometer
|
|
|
Photometer
|
Explanation:
Detailed explanation-1: -Usually a hydrometer, pycnometer, or digital density meter is used for the determination in all these standards.
Detailed explanation-2: -hydrometer, device for measuring some characteristics of a liquid, such as its density (weight per unit volume) or specific gravity (weight per unit volume compared with water).
Detailed explanation-3: -The powder is added to the pycnometer, which is then weighed, giving the weight of the powder sample. The pycnometer is then filled with a liquid of known density, in which the powder is completely insoluble. The weight of the displaced liquid can then be determined, and thence the specific gravity of the powder.
There is 1 question to complete.