30 Questions
What are the three main categories into which variables for sensory testing are grouped?
Test controls, product controls, panel controls
Why should the physical setting of the test area be designed as mentioned in the text?
To minimize the subjects' biases and eliminate non-product variables
What is the main reason for having a centrally located and comfortable sensory test area?
To maximize sensitivity of the subjects
What is one of the key characteristics of a sensory evaluation laboratory mentioned in the text?
It should have a sample preparation room
What is the purpose of product controls in sensory testing?
To ensure correct sample screening and preparation
Why is it important for a sensory evaluation laboratory to be free from odors and noise as stated in the text?
To minimize distractions and maintain focus on product evaluation
Where should a laboratory for the preparation of samples be located according to the text?
Adjacent to the testing area
What should be the ventilation condition in the preparation area as per the text?
Well ventilated to remove odors
What kind of materials should be used for utensils and cutlery in sample preparation as indicated in the text?
Materials that do not impart any odor or taste to the product
What is typically included in the preparation area along with any specialized equipment as per the text?
Refrigerator, freezer, benches, kitchen range, ovens, etc.
What should be available for storage in the preparation area according to the text?
Glassware, dishes, glasses, trays, etc.
Why should utensils and cutlery used in sample preparation not impart any odor or taste to the product based on the text?
To prevent contamination of sensory evaluation
What is the minimum intensity of lighting required in the testing booths for effective evaluation?
300 lux
Which correlated color temperature is considered desirable for the lights in the testing booths?
6500 K
What special lighting device can be used to mask differences in color and appearance characteristics?
Dimmer device
How large should each testing booth be to accommodate samples, utensils, sink, rinsing agents, and score sheet/card?
0.9 m wide and 0.6 m deep
What height should the working space in the booth be to allow comfort to the evaluator?
Appropriate height
What signaling system is devised for the evaluator to communicate readiness for a sample?
Light bulb on the counter side
What is the purpose of the briefing room in a sensory evaluation facility?
To assemble sensory evaluators and brief them about the project objectives
Why is it important for the booth area in a sensory facility to be isolated from the preparation area?
To maintain cleanliness and professionalism in the testing area
Which factor is NOT mentioned as a critical consideration for a sensory laboratory design?
Proximity to public transportation
What is the primary function of the briefing room in a sensory evaluation facility?
Assembling sensory evaluators and providing project instructions
Why should the testing booth area in a sensory facility be comfortable but not too casual in appearance?
To maintain a professional environment for sensory evaluation
What should be adjacent to the testing booths in a sensory evaluation facility?
Briefing room
What is the purpose of separating entrance and exit areas for assessors in large facilities?
To prevent unwanted exchange of information
Why is it important for the office facilities to be within view of the panel booths?
To monitor the testing process
What should be located within the entrance/exit area in a sensory evaluation facility?
Desk for assessors to study sample identity
Why should equipment like computers and printers be at a sufficient distance from the panel booths?
To maintain confidentiality and avoid distractions
What is one reason for having a waiting room with comfortable seats in the entrance/exit area?
To provide a comfortable environment for non-employee panelists
What is the purpose of an office within a sensory evaluation facility?
To provide a workspace for panel leaders
Explore the specific lighting requirements for testing booths to ensure uniform, shadow-free, controllable lighting with sufficient intensity for effective evaluation of color and appearance. Learn about desirable correlated color temperature and special lighting devices to mask differences in color and appearance characteristics.
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