HH 002 (Hose)

Question 1

Choose the 4 diameters if lay-flat hose

Answer 1

• 45mm
• 70mm
• 90mm
•150mm

Question 2

What is the length and maximum working pressure of a 45mm and 70mm working hose?

Answer 2

• 23m
• 15bar

Question 3

What is the length and colour of a 90mm hose?

Answer 3

• 30m
• yellow

Question 4

How many lengths of hose reel hose are carried on an appliance, how long is each length, and what internal diameter?

Answer 4

• 8
• 18.3m
• 22mm

Question 5

How many lengths of 45mm hose is carried on an appliance?

Answer 5

4

Question 6

How many lengths of 70mm hose is carried in an appliance?

Answer 6

10

Question 7

How often is hose rotated?

Answer 7

3 months

Question 8

What is the length and diameter of hard suction hose?

Answer 8

• 2.44m
• 100mm

Question 9

When are the three times that 45mm and 70mm hose are tested?

Answer 9

• on acceptance
• after use
• annually

Question 10

What type of coupling is attached to 90mm and 150mm hosing?

Answer 10

Storz

Question 11

What type of coupling is attached to 45mm and 70mm hose?

Answer 11

Quick release instantaneous coupling

Question 12

How is a damaged hose identified at an incident?

Answer 12

Overhand knot tied at both ends

Question 13

What is the weight of a 45mm hose?

Answer 13

9kg

Question 14

What is the weight of a 70mm hose?

Answer 14

15kg

Question 15

Choose 4 correct rules to follow when using hose to prevent damage:

Answer 15

• hose should be ramped when laid across a road
• hose should not be kinked when under pressure
• hose should not be made up when frozen
• hose should be under run and cleaned before stowing

Question 16

The requirements of a good hose are:

Answer 16

• Should be reliable in use
• Should be resistant to bursting, leaking, chemical damage or kinking when passed around bends and corners
• Should not stretch and expand excessively (5% maximum in length and 10% maximum in diameter)
• Should be light and easy to handle - able to make up wet or dry
• Should be durable - high resistance to abrasion and easy to repair
• Should be smooth internally to reduce frictional loss
• Should be capable of withstanding pressure changes and shock