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UNIT GC2: CONTROLLING

WORKPL CE

HAZARDS

For: NEBOSH National General

Cert

i

ficate

I n Occupational Health and Safety

NEBOSH Intern

ationa

l General Certi

ficat

e in Occ

up

ati

ona

l H

e

l

th

and

Safety

nswe

r

both

Sec ti on 1

and

Section 2. Answer A

LL

questions.

The maximum marks for each question. or part of a question. are shown in brackets.

Start each answer on a new page.

Answers may be illustrated by sketches where appropriate.

This question paper must returned to the invigilator after the examjnation.

SECTION 1

You are advised to spend about half an hour

on

this section, which contains ONE question.

A

worker

is using a mains-powered electrical hand-held belt sander to finish

wooden doors prior to installation.

a)

b)

c)

Ide

nt

ify he lth hazards associated with the

use

of

the

sander ND , in

E CH

case, give an example

of

an ill-health effect th

at may

resu

lt

following exposure.

I

dentify s fety

hazards associated with the use

of

the sander

ND

, in

E CH case, give an example of an injury that could result during use.

Outline a strategy for maintenance and inspection

of

portable electrical

equipment.

SECTION 2

You are advised to spend about one and a ha lf

ho

urs on this section, which contains TEN questions.

a)

b)

Id

en tify

methods of raising an alarm

in

the event

of

a fire.

Outline

issues that should be considered in the selection a

nd

siting of

portable fire extinguishers. - · · · ·

·

J 3 )

j

Outl ine

ways in which a forklift truck

may

become unstable during operation.

6)

10)

4)

2)

6)

8}

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4

5

7

1

11

Outline

why

a person may be unaware of an appr

oaching vehicle

when walking

through a

wo

r

kp

lace

a)

b)

a)

(b)

Outlin

e

ways

in

which

poor

storage of

waste in a

wo

r

kplace co

-u ld harm

the environment.

Outlin

e the

basic

requ

irements for

the safe

storage ofwaste

in a

workplace .

Identify occupations that

may

have a pot

en

tial risk

of

noise induced

hearing loss.

Outlin

e the role of health surveillance in helping reduce the risk of hearing

loss.

Ident

i fy features

of a mobile tower scaffold that should be

inspected

prior to use.

A powder

ed

r

aw

material is to

be

mixed with

water

to

make

a paste tha t will t

hen

be

applied to internal walls

of

a

building as

a decorative coating

Ex

plain

factors

t

hat

should

be considered when

car

ryi

ng

ou

t

an

assessmen

t

of

the health risks to workers exposed to these substances.

Outline ways to improve the t sk of a m anua l handling activity that will help

reduce the risk of injury.

a)

b)

Outlin

e the prin

ciples

of the following types of

mac

hine

gu

ar

d:

i)

ii)

fixed guard;

interlocked guard.

Ident

i fy

TWO advantages AND TWO

disadvan t

ages

of a

fixed gua

rd .

Outl ine control measures that can be implemented in order to reduce the risk of

violence to workers in an accident

and emergency departmen

t of a hospital.

8)

{2)

6)

4)

4)

8)

{8)

8)

2)

2)

4)

8)

8/17/2019 new exams IGC-2

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UNIT GC2: CONTROLLING

WORKPLACE

HAZARDS

For NEBOSH National General Certificate in Occupational Health

and

Safety

NEBOSH Internat

ion

al

General

Certificate in

Occupat

io nal Health

and Safety

Answer both

Section 1

and

Sect

ion

2 Answer

ALL

questions.

The maximum marks for each question, or part

of

a question. are shown in brackets.

Start each answer on a new page.

Answers may be illustrated by sketches where appropriate.

This question paper must be returned to the invigilator after the examination.

I .

SECTION 1

You are advised to spend about half an hour on this section, which contains ONE question.

1 Workers who are required to work with vibrating hand-held tools for long periods

during a work shift have reported symptoms of tingling and numbness in their

fingers. Further analysis has indicated that the workers could be showing early

symptoms of hand_arm vibration syndrome (HAVS).

(a)

(b)

(c)

SECTION 2

Outline further symptoms that might develop shou

ld

the work continue.

Outline factors to consider when assessing the risk

of

HAVS

Outline precautions that could

be

taken in order to minimise the risk to the

workers.

You are advised to spend about one and a half

hour

s on this section, which contains TEN questions

2   A portable generator has been placed on the floor

of

a large warehouse, and

(j

while in use, noise levels have been measured at over 90 decibels (dB).

(a)

0

(c)

Give the meaning of the term decibel scale (dB).

Outline transmission paths that the noise could take from the generator to

workers. ·

Identify

possible effects on hearing from exposure to the noise from the

generator.

(4)

(8)

(8)

(2)

(2)

(4)

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1 3

Health surveillance has indicated that workers may ha

ve

inhaled excessive

quanti ties of wood

dust

ov

er

a long period

of

time.

l : .  

(a) Identify health risks that may have been identified by the health

surveillance.

•• J

4

. .-

Outline ways in which excessive exposure

to

the

wood

dust could have

been identified prior to the health surveillance.

Outline

control

mea

sures that could be implemented in order . o help reduce risks

to pedestrians in a warehouse where separate traffic routes

c nno

be provided.

5

 

A school sports hall is to be used for temporary sleeping accommodation for local

residents who have been evacuated from

th

eir ho

me

s due to

an

emergency

situation. ·

Outline factors that should be con si

der

ed when reviewing the fire risk assessment

(2)

(6)

(8)

for the school sports hall for this temporary use. (8)

6

7

1

11

Outline control measu res that should be adopted in order to protect against the

dangers of people and/or materials falling from a mobile tower scaffold.

Identify information that should be included on a safety data sheet supplied with a

hazardous substance.

Outline factors that should be con sidered when carrying out a manual handling

assessment of the work of baggage handlers at a large, busy airport.

(a)

I

\ (b) ;

_

Identify common types of automatic fire detection system that would raise

an alarm in the event of a fire.

Outline faders

that should be considered in order that fire and rescue

service vehicles can access premises in the event of a fire.

Identify the main hazards associated with excavation

work on

construction site

s

Outline factors that should be considered wh en determining the frequency for the

inspection and testing of elec trical equipment.

(8)

(8)

(8)

(2)

(6) .

(8)

(8)