1.

To avoid back injuries when manually lifting heavy weights from ground level a worker should:

1. bend both legs and back

2. bend legs but keep back straight

3. keep legs straight but bend back

4. keep both legs and back straight.

2.

For any fire to continue to burn three components must be present. These are:

1. fuel, wood, cardboard

2. petrol, oxygen, bottled gas

3. flames, fuel, heat

4. fuel, oxygen, heat.

3.

A CO ₂ gas fire extinguisher, colour-coded black, is suitable on:

1. class A fires only

2. class A and B fires only

3. class B and C fires only

4. class A, B and C fires.

4.

The recommended voltage for portable hand tools on construction sites is:

1. 50 V

2. 110 V

3. 230 V

4. 400 V.

5.

Meeting the customer's expectations regarding performance, reliability and durability is one definition of:

1. quality

2. quality control

3. quality assurance

4. total quality management.

6.

Making quality a way of life in a company is one definition of:

1. quality

2. quality control

3. quality assurance

4. total quality management.

7.

Monitoring processes and procedures to eliminate defects is one definition of:

1. quality

2. quality control

3. quality assurance

4. total quality management.

8.

Post-production inspection of goods is one definition of:

1. quality

2. quality control

3. quality assurance

4. total quality management.

9.

The current taken by a 10 ? resistor when connected to a 230 V supply is:

1. 41 mA

2. 2.3 A

3. 23 A

4. 230 A.

10.

The resistance of an element which takes 12 A from a 230 V supply is:

1. 2.88 ?