Welcome to Comprehensive guide NCERT Solutions Chapter 14 Workplace Quality Measures. In this chapter you learned about some workplace quality measures. Now its time to get the solutions for NCERT exercises. So here we go!
NCERT Solutions Chapter 14 Workplace Quality Measures
As usual, NCERT Solutions Chapter 14 Workplace Quality Measures starts with MCQs, True or False, Fill in the blanks and Short/Long answer questions. So let us begin!
A Multiple Choice Questions
[1] To provide healthy and safety working environment, every organisation must have _______.
(a) Cleanliness
(b) Filtered water
(c) Clean wash-room
(d) All of the above
Ans.:(d) All of the above
[2] Air pollution is mostly caused by production of the ______________ in the surrounding air.
(a) dust
(b) mixture of solid particles
(c) gases
(d) All of above
Ans.:(d) All of the above
[3] Repetitive use of muscle may feel pain in your ____________
(a) neck
(b) shoulder
(c) wrist or fingers
(d) All of the above
Ans.:(d) All of the above
[4] The security department organisation is not responsible for ________________.
(a) other safety
(b) computer system safety
(c) electrical safety
(d) transport safety
Ans.: There is not correct option is given because security department is responsible for all of them.
[5] For an organisation, the proper security procedures will reduce _____________.
(a) liabilities
(b) insurance
(c) business revenue
(d) operational charges of the company
Ans.: (a) liabilities and (b) insurance both are correct
[6] Do not wear ______________ when working with machines.
(a) jewellery
(b) safety glasses
(c) masks
(d) gloves
Ans.:(a) jewellery
[7] Sore lower back is caused due to _____________
(a) reaching forward frequently
(b) no lumbar support
(c) no upper back support from chair
(d) reaching forward for long periods
Ans.:(b) no lumbar support
[8] What should you do with the problem of dry eyes?
(a) Forget to blink
(b) Rest eyes periodically and do simple eye exercises
(c) Do exercise
(d) Blink the eyes
Ans.:(b) Rest eyes periodically and do simple eye exercises
[9] If light is coming directly behind or in front of you then you may suffer from _____________
(a) eye strain
(b) sore eyes
(c) dry eyes
(d) eye strain and sore eyes
Ans.:(d) Eye strain or sore eyes
B. Fill in the blanks
[1] Air and water pollution can be analysed by using ___________, physical, and ______________ analysis.
Ans.: chemical, biological
[2] The PH value of the water can be measured through ________________ analysis.
Ans.:chemcial
[3] The ______________ indicators are used to monitor the health of the ecosystem.
Ans.:microbial
[4] Ergonomics is the science concerned with __________________ and arranging things.
Ans.:designing
[5] Working with wrists extended too much repetition can cause _____________________.
Ans.:arching wrists
[6] The repetition of a seemingly ___________ task over a period of time can cause an injury.
Ans.:innocuous
[7] If a cord or wire will cross a pathway safety it should be mark it with ___________
Ans.:hazard tape
[8] Loose cords and wires can cause ______________.
Ans.: electrical hazards
[9] Glare and _______________ on the screen should be prevented.
Ans.: reflections
[10] The keyboard should have a matt surface to avoid _______________ glare.
Ans.:reflective
C. State whether the following statements are True or False
[1] The work environment of the organisation must be free from hazards and risk.
Ans.:True
[2] Practice a no vehicle day in every week to avoid air pollution.
Ans.:True
[3] Applying ergonomics can improve performance and productivity.
Ans.: True
[4] Wear rings, watches and necklaces while working on the computer.
Ans.: False
[5] Never touch or try repairing any electrical equipment or circuits with wet hands.
Ans.: True
[6] Unplug all power sources and cables from computer while working on computer.
Ans.: False
[7] Occupational overuse syndrome, also known as repetition strain injury.
Ans.:True
[8] The work chair must be stable and allow the user to move easily.
Ans.:True
[9] Artificial lighting from computer screens can cause sleeping problems.
Ans.:True
[10] The keyboard and mouse should not be kept at the same level.
Ans.: False
D. Short answer type questions
[1] What causes the water pollution?
Ans.: The following are few causes water pollution:
1. Most of the human activities such as sewage, farming, construction, chemical dumping in water etc/
2. Dumping plastics in water
3. Deforestation
4. Global Warming
5. Natural phenomena
[2] What is occupational overuse syndrome?
Ans.: Occupational overuse syndrome, also known as repetition strain injury (RSI), is a collective term for
a range of conditions, characterised by discomfort or persistent pain in muscles, tendons and other soft
tissues, with or without physical manifestations.
[3] What are musculoskeletal problems?
Ans.: This problem include different areas of your body, such as neck, back, chests, arms shoulders and feet. It occurs because of your wrong posture, uncomfortable chair for sitting that is not ergonomically correct while working on the computer.
[4] What cautions to be taken while working on the computer?
Ans.: While working on computer these cautions to be taken:
• Position your computer such that the end of the monitor should be at your eye level.
• Keep the neck neutral with monitor directly ahead to prevent to turn your neck.
• Keep your monitor at least arm length distance, or 20 to 30 inch away from you.
• Maximise contact of your back against the backrest of the chair.
• Adjust height of armrests so that your elbows are at a 100–110 degrees open angle.
• Place keyboard at a slight negative tilt if you are sitting upright.
• While typing, keep your hands slightly lower than elbows, with fingers pointing downwards at the floor.
• Minimise any twisting of your wrists from side to side or up and down.
• Use a keyboard palm rest as needed only when you are not typing. Do not rest your wrists when typing. It leads to wrist strain.
• Always take small breaks while working on the computer to stretch your muscles, keep your blood flowing, and to rest your eyes.
[5] Why there is no right way to use a laptop?
Ans.: There is really no right way to use a laptop because if you position the screen at the right height for your back and neck, it will cause you to have to lift your arms and shoulders too high to use it and vice versa.
[6] What causes eye strain and how to avoid it?
Ans.:
Cause – Glares from overhead lights or windows eye glasses not correct need vision check
To avoid it Re-orient your desk and computer so light is not directly behind or in front of you.
[7] What type of display screen is suitable to work on computer?
Ans.: Use the modern LED monitors of legible size and with adequate spacing between the characters and lines. The image on the screen should be stable, with no flickering or other forms of instability. The screen must be free of reflective glare and reflections liable to cause discomfort to the user.
[8] What type of keyboard is suitable to work on computer?
Ans.: The keyboard should tilt and separate from the screen to find a comfortable working position and avoid fatiguein the arms or hands. The space in front of the keyboard must be sufficient to provide support for the hands and arms of the user. The keyboard should have a matt surface to avoid reflective glare. The symbols on the keys must be adequately contrasted and legible from the design working position.
Related
