Define the term, “measurement uncertainty”. Among the instruments below above, which ones  have the highest uncertainty? Which ones have the lowest? analytical balance  top-loading balance  serological pipette  graduated cylinder  burette  volumetric flask  Erlenmeyer flask  beaker

Q: Calculate the weight in Ib; of a 30.0-lb object.

A: Given weight is 30.0lbm, Write the conversion factor of lbm to lbf as follows: lbf=pound force…

Q: How about the relative error and percentage error of the volume?

A:

Q: Regarding amorphous plastics, explain why they tend to have higher tensile strength when deformed…

A: Amorphous plastics have no specific order and pattern in their molecular structure. Thus, the…

Q: (1) Explain the following terms: i) Slack and Raw wax

A: Slack Wax: It is yellow to dark in color. It is also known as crude paraffin wax. It is separated…

Q: Describe the difference between average pressure and false pressure

A: The force applied perpendicular to the surface of an object per unit area over which that force is…

Q: When the buret is clamped, what instrument should be used to deliver titrant to the funnel? O A…

A: A Flask

Q: Describe the effect bend testing have on the mechanical properties of silicon nitride.

A: Effect of bend testing on the mechanical properties of silicon nitride is to be explained.

Q: Is pinch point always located at the feed stage?

A: The location of the pinch point is to be mentioned.

Q: What is the difference between truncation error and stability?

A: To understand the answer to this problem knowledge of Process control systems is required. The given…

Q: Calculate the moles of a substance given the -number of particles.

A: The number of particles of a particular substance is given as, N = n×NA        (1) Here, N is the…

Q: Calculate the volume of an HCP unit cell in terms of cell edge (a) and height (c).

A:

Q: Illustrate and discuss the process flow for the manufacture of porcelain

A: Solution-Step:  (a) Component needed(i) Feldspars K2O.Al2O3.6SiO2 & Na2O.Al2O3.6SiO2(ii) Quartz…

Q: Describe 1st angle and 3rd angle Projections?

A: 1. First Angle Projection : In the first angle projection, we can placed the object in the 1st…

Q: Specific gravity (SG) for calcium carbide

A:

Q: What is a  vane-axial cyclone seperator?

A: This question is from cyclone separators which form an important part in separation processes. The…

Q: Temporary hardness can be removed by:

A: The hardness of the water is of two types’ permanent hardness and temporary hardness. The temporary…

Q: What is a flexible wedge gate used for

A:

Q: In barrel plating, why is the barrel containing the small parts rotated?

A: The reason for rotation of the small parts of the barrel in barrel plating is to be mentioned.

Q: Give the relation between overall and individual height of a transfer units.

A: In the design of packed towers, the total height of towers is given as, ZTU = NTU×HTU Here, ZTU is…

Q: What is the range of Pressure drops for randomly packed systems?

A: In this question range of the pressure drop in the randomly packed system has to mention.

Q: For fractional distillation write explain and draw a schematic neat diagram with all labeled parts…

A: Fractional distillation is a type of distillation which involves the separation of miscible liquids.…

Q: Q.3 a). A tensile stress is to be applied along the long axis of a cylindrical brass rod that has a…

A: The magnitude of load is to be calculated.

Q: When the instantaneous load is applied perpendicular to the specimen cross section, the material is…

A:

Q: Explain path line in relation to fluid mechanics.

A:

Q: If the distance between holes is 50 mm, the distance between the third spot light and the central…

A: Given data: Distance between hole is = d = 50 mm = 0.050 m distance between third spot light and…

Q: 2. List the most important pipe friction formula.

A: Introduction: The friction loss in uniform, instantly sections of pipe, called "major loss", is…

Q: What is viscosity

A: A fluid is defined as a liquid or gas that flows or deforms continuously when an external force or…

Q: The high expansion metal normally used in the bimetallic thermometer is temperature measurement.…

A: Bimetallic thermometers use the premise that various metals expand at different rates when exposed…

Q: Calculate the work done by 8 moles of an ideal gas during compression from 1.5 atm at 54 °C to 7 atm…

A:

Q: In mathematics, error tells the person how much correct or certain its measurement is. O True

A: To state whether the given statement is True or False

Q: What are examples of mechanical operation

A: Mechanical Operations is the operation that is applied on the solids, to get the desired size,…

Q: Which of the following material has the least strain? O a. Elastic band O b. Copper wire O c. Steel…

A:

Q: Explain the friction between the mater (soled with soled, liquid with liquid)?

A: Motion: Motion is the phenomenon in which an object changes its position over time. Motion is…