Test Prep / CustomExam Practice Test - 11/30/2025

CustomExam Practice Test - 11/30/2025

Particle Technology Fundamentals Test Prep10 Questions20 min

Particle Technology Fundamentals Test Prep CustomExam

CustomExam Practice Test - 11/30/2025

A practice test for CustomExam

10Questions

20Minutes

About This Test

This practice test is designed to help you prepare for the CustomExam exam. It contains 10 questions and has a time limit of 20 minutes.

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Important Questions

How is particle size distribution significant?

A:Provides a quantitative indication of the mean size and spread of sizes in a particle population.

B:Is not necessary for process control and quality assurance.

C:Deals with liquid substances only.

D:Focuses on gas behavior.

What does the volume diameter represent?

A:The diameter of a sphere having the same surface area as the particle.

B:The diameter of a sphere having the same volume as the particle.

C:The difference between the mass and number distributions.

D:The golden rules of sampling.

What does the sphericity of a particle measure?

A:The difference between the mass and number distributions.

B:The degree to which a particle's shape resembles a sphere.

C:The golden rules of sampling.

D:The importance of particle technology in the chemical industry.

How does sieve analysis classify powders?

A:By passing them through a series of screens with standardized mesh sizes.

B:By measuring the density of the particles.

C:By determining the vapor pressure.

D:By analyzing the chemical composition.

What is the definition of particle technology?

A:The science and technology related to the handling and processing of particles and powders.

B:The study of liquid substances only.

C:The analysis of gas behavior.

D:The examination of sub-atomic particles.

Why is particle technology important in the chemical industry?

A:It impacts industries like oil, mineral processing, and water treatment.

B:It is not relevant to the chemical industry.

C:It deals only with liquid substances.

D:It focuses solely on gas behavior.

What are the two golden rules of sampling?

A:The powder should be stationary when sampled, and the whole of the stationary stream should be taken for many long time increments.

B:The powder should be in motion when sampled, and the whole of the moving stream should be taken for many short time increments.

C:The powder should be in motion when sampled, and the whole of the stationary stream should be taken for many short time increments.

D:The powder should be stationary when sampled, and the whole of the moving stream should be taken for many short time increments.

What is the difference between mass and number distributions in particle size analysis?

A:Mass distribution considers the total mass of particles, while number distribution considers the count of particles.

B:Mass distribution deals with liquid substances, while number distribution analyzes gases.

C:Mass distribution focuses on gases, while number distribution considers the count of particles.

D:Mass distribution is irrelevant, while number distribution is crucial for particle analysis.

How does the optical sensing technique work in particle analysis?

A:By measuring the scattered light from a particle passing through a sensing volume illuminated by a light source.

B:By determining the electrical conductivity.

C:By calculating the boiling point.

D:By examining the chemical formula.

What is particle technology in the context of this course?

A:A liquid substance handling process.

B:A gas behavior examination.

C:The science and technology related to the handling and processing of particles and powders.

D:The study of explosives.

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