FDA vs IFST on Nanoparticles Safety Quiz

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What is the formula for work in terms of force and distance?

$Force / Distance$

$Force \times Distance$ (correct)

$Force + Distance$

$Force - Distance$

Which of the following is an application of Engineering Thermodynamics?

Plumbing

Baking

Air conditioning (correct)

Gardening

What is the scope of Thermodynamics limited to?

Properties at atomic level

Macroscopic properties (correct)

Microscopic properties

Properties of individual particles

In Heat Transfer, which medium does the energy flow from?

From higher-temperature medium to lower-temperature medium Signup and view all the answers

What are the three modes of heat transfer?

Conduction, Convection, Radiation Signup and view all the answers

What is the purpose of Heat Exchangers?

To remove heat from food materials Signup and view all the answers

What is the main source of heat generation within food when placed inside a microwave oven?

Friction between molecules Signup and view all the answers

According to the law of conservation of mass, what happens to the total mass when a reaction takes place?

Total mass remains the same Signup and view all the answers

What makes an object reluctant to change its state of motion based on the text?

Mass Signup and view all the answers

Which division of science deals with the conversion of energy from one form to another?

Thermodynamics Signup and view all the answers

What are the main forms of energy of interest in engineering thermodynamics according to the text?

Heat and work Signup and view all the answers

In a microwave oven, what causes the water molecules to pass heat energy along to other food molecules?

Microwave energy Signup and view all the answers

According to the Institute of Food Science and Technology (IFST) report, why are nanoparticles recommended to be treated as new, potentially harmful materials?

Because their safety has not been tested yet. Signup and view all the answers

What is a key factor influencing the acceptance of new technologies like nanotechnologies by consumers?

Consumer perception and reaction to information Signup and view all the answers

What did studies reveal about European consumer awareness of nanotechnology?

They are progressively becoming aware and positive about its opportunities. Signup and view all the answers

What do US studies indicate about consumer awareness of nanotechnology?

Very few consumers have heard about nanotechnology. Signup and view all the answers

Why is it essential to consider the risk of ingestion of particles incorporated into food packaging materials?

Due to the possibility of migration of particles from packaging to food. Signup and view all the answers

What does the FDA state regarding particle size and new materials?

Particle size is irrelevant when testing new materials for safety. Signup and view all the answers

What is the purpose of food processing?

To transform raw agricultural materials for various purposes Signup and view all the answers

Which technique falls under the physical method of food preservation?

UV sterilization Signup and view all the answers

What factors contribute to the perishability of food materials?

Respiration of crops after harvest, activity of microorganisms, and chemical composition of food Signup and view all the answers

What is the principle behind Hurdle Technology in food preservation?

To combine multiple preservation techniques to create hurdles for microbial growth Signup and view all the answers

Which of the following is considered a chemical method of food preservation?

Salting with NaCl Signup and view all the answers

Why does the perishability of foods depend on the handling of food materials?

To ensure appropriate packaging and transportation methods are used Signup and view all the answers

Which operation involves separating materials into dirts and clean materials?

Cleaning and Sanitizing Signup and view all the answers

What is the main purpose of Size Reduction operations?

To increase surface area of solid particles Signup and view all the answers

Which operation involves methods like freezing, cooling, pasteurization, and sterilization?

Heat Exchange Operations Signup and view all the answers

What is the primary purpose of Material Handling in food processing operations?

To organize movement of specific materials at the right time and quantity Signup and view all the answers

Which operation involves operations like grinding, pulverising, crushing, and grating?

Size Reduction Signup and view all the answers

What type of cleaning method uses air blown to separate materials based on density?

Dry cleaning Signup and view all the answers