CSCS Ireland Noise and Vibration 2

Question 1

What is the daily exposure action value (EAV) for hand-arm vibration (HAV) under Irish regulations?

Accepted Answer

2.5 m/s²

Answer

1.0 m/s²

Answer

5.0 m/s²

Answer

10.0 m/s²

Question 2

What is the daily exposure limit value (ELV) for hand-arm vibration that must not be exceeded under Irish regulations?

Accepted Answer

5.0 m/s²

Answer

2.5 m/s²

Answer

4.0 m/s²

Answer

7.5 m/s²

Question 3

Which health condition is caused by prolonged exposure to hand-arm vibration from tools such as grinders and breakers?

Accepted Answer

Hand-arm vibration syndrome (HAVS), including vibration white finger

Answer

Whole-body vibration disorder (WBVD)

Answer

Repetitive strain injury of the shoulder only

Answer

Occupational asthma

Question 4

Which of the following construction tools poses the greatest risk of hand-arm vibration injury if used for extended periods?

Accepted Answer

A petrol-powered concrete breaker or angle grinder

Answer

A timber mallet used for hand-chiselling

Answer

A retractable tape measure

Answer

A spirit level

Question 5

What is the daily exposure action value (EAV) for whole-body vibration (WBV) under Irish health and safety regulations?

Accepted Answer

0.5 m/s²

Answer

0.3 m/s²

Answer

1.0 m/s²

Answer

1.15 m/s²

Question 6

Which category of construction worker faces the greatest risk of whole-body vibration (WBV) injury?

Accepted Answer

Operators of heavy plant such as excavators, dumpers, and forklift trucks

Answer

Bricklayers working on scaffolding

Answer

Workers carrying out hand-tool tasks at ground level

Answer

Scaffolders erecting independent scaffolding

Question 7

Vibration white finger (VWF) is a symptom of which occupational health condition?

Accepted Answer

Hand-arm vibration syndrome (HAVS)

Answer

Whole-body vibration disorder caused by driving plant

Answer

Raynaud's phenomenon triggered by cold weather alone

Answer

Occupational contact dermatitis from cement