Human Factors M9

What is the hearing range of a healthy, young individual?

• a) From 10Hz to 10,000 Hz

• b) From 20 Hz to 20,000 Hz

• c) From 30Hz to 30,000 Hz

Answer explanation

The hearing range of a healthy, young individual typically spans from 20 Hz to 20,000 Hz. This makes option b) the correct choice, as it accurately reflects the standard range for human hearing.

Motivation is

• a) A reward or punishment designed to reduce errors

• b) The thing that drives someone to do something

• c) A reward or punishment designed to increase work rate

Answer explanation

Motivation is best defined as the internal drive that compels someone to take action, making option b) the correct choice. Options a) and c) refer to external factors that influence behavior, not the essence of motivation.

What should you do if you are a team member?

• a) Always follow team leader instruction

• b) Say what you think is the best for the work to be carried out safely

• c) Ask everybody to follow your opinion

Answer explanation

As a team member, it's important to voice your thoughts on safety. Choice b encourages open communication and prioritizes the well-being of the team, making it the best option. Following instructions blindly may overlook critical safety concerns.

Which factors affect your hearing

• a) Old age

• b) Working pressure

• c) Old age and exposure to excessive noise for long time

Answer explanation

Hearing is affected by factors like old age and prolonged exposure to excessive noise. Both can lead to hearing loss, making option c) the correct choice as it combines these significant factors.

Long-sightedness caused by the ageing process begin after

• a) The age of 40

• b) The age of 50

• c) The age of 60

Answer explanation

Long-sightedness, or presbyopia, typically begins after the age of 40 due to the natural aging of the eye's lens, which loses flexibility. This makes it harder to focus on close objects, confirming that option a) is correct.

How many senses does a human have?

• a) There are 3 senses: sight, smell and hearing

• b) There are 4 senses: touch, sight, smell and hearing

• c) There are 5 senses: touch, taste, sight, smell and hearing

Answer explanation

Humans have 5 senses: touch, taste, sight, smell, and hearing. This is the widely accepted classification, making option c) the correct answer.

What might the sense of touch use

• a) Our nose to detect

• b) Our eyes to detect

• c) Our hand to detect

Answer explanation

The sense of touch primarily uses our hands to detect sensations such as pressure, temperature, and texture. Therefore, option c) 'Our hand to detect' is the correct choice.

What should you do if you feel tired when carrying out a task?

• a) Ask colleagues to check your work

• b) Finish the work quickly in order to rest early

• c) It is not necessary to perform the step that you think is not important

Answer explanation

If you feel tired, it's important to maintain quality in your work. Asking colleagues to check your work ensures accuracy and helps you avoid mistakes, making it the best choice compared to rushing or skipping steps.

A person can be said to be motivated if

• a) They cut corners to get the job done quickly

• b) They are on a productivity bonus

• c) They are taking action to achieve something

Answer explanation

A person is motivated when they take action to achieve something, as this reflects their drive and commitment. Options a) and b) do not necessarily indicate true motivation.

What should you do when perform a repetitive work

• a) Follow your memory

• b) Follow the previously used manual

• c) Follow the updated manual

Answer explanation

When performing repetitive work, it's crucial to follow the updated manual to ensure you are using the most current procedures and guidelines, which may have changed since previous versions.