WorksheetsProgress Overtime Phase 2
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
1. To determine the current within a circuit, which calculation is used?
a)
a) Watts/Volts
b)
b) Watts/Ohms
c)
c) Volts/Watts
d)
d) Ohms/Volts
2.
2. What charge does a proton carry?
a)
a) Positive charge
b)
b) Negative charge
c)
c) Alternating positive to negative charge
d)
d) Neutral charge
3.
3. What is the SI unit for force?
a)
a) Pascal
b)
b) Newton
c)
c) Joule
d)
d) Bar
4.
4. What is the specific heat capacity for water under atmospheric conditions?
a)
a) 1kj/kg/⁰C
b)
b) 3.14kj/kg/⁰C
c)
c) 4.18kj/kg/⁰C
d)
d) 9.18kj/kg/⁰C
5.
5. At what temperature would water boil if subjected to 3 bar of pressure?
a)
a) 100⁰C
b)
b) 110⁰C
c)
c) 123⁰C
d)
d) 143⁰C
6.
6 What is atmospheric pressure at sea level?
a)
a) 0 bar
b)
b) 1.01 bar
c)
c) 10.1 bar
d)
d) 100 bar
7.
7. When a liquid changes state into a gas, it is known as…
a)
a) Evaporation
b)
b) Condensing
c)
c) Sublimination
d)
d) Expansion
8.
8. When a gas changes state into a liquid, it is known as…
a)
a) Evaporation
b)
b) Condensing
c)
c) Sublimination
d)
d) Expansion
9.
9. What does the symbol ∆t represent?
a)
a) Difference in temperature
b)
b) Direct temperature
c)
c) Difference in pressure
d)
d) Direct pressure
10.
10. What temperature is 373K in the Celsius scale?
a)
a) 173⁰C
b)
b) 100⁰C
c)
c) -173⁰C
d)
d) -200⁰C
11.
11. In which one of the following fluid categories does the domestic water from a washbasin fall?
a)
a) Category 1
b)
b) Category 2
c)
c) Category 3
d)
d) Category 4
12.
12. What is the component labelled A in the diagram below?
a)
a) Expansion cistern
b)
b) Break cistern
c)
c) Duplicate pumps
d)
d) Circulating pumps
13.
13. The type of non-mechanical backflow prevention used on a domestic washbasin is known as:
a)
a) AUK 1
b)
b) AUK 2
c)
c) AUK 3
d)
d) AUK 4
14.
14. Which of the following items of legislation covers the requirements for the hydraulic testing of cold water pipe lines?
a)
a) Water Byelaws (England 2004)
b)
b) British Standards 5449
c)
c) Water Supply (Water Fittings) Regulations 1999
d)
d) Building Regulations Part G (P in Northern Ireland)
15.
15. Metallic cold water systems should be capable of withstanding an internal pressure of:
a)
a) the maximum potential operating pressure
b)
b) 1.5 times the maximum potential operating pressure
c)
c) 2 times the maximum potential operating pressure
d)
d) 3 times the maximum potential operating pressure
16.
16. When preparing to disinfect a cold water system within an occupied block of flats, what should be placed at each outlet?
a)
a) A contact number for the plumber
b)
b) Warning notices
c)
c) Neutralising agents
d)
d) Residual chlorine test kits
17.
17.A kitchen sink relies on what type of air gap between the spill over level and the tap outlet?
a)
a) AUK2
b)
b) AUK3
c)
c) AG
d)
d) AA
18.
18. Which one of the following types of taps typically requires a single check valve to protect against backflow from cross-connection with fluid category 2 water?
a)
a) High neck pillar tap
b)
b) Bib tap
c)
c) Bi-flow mixer tap
d)
d) Mixer tap
19.
19. Which one of the following mechanical backflow prevention devices would be used when installing a replacement hose union bib tap?
a)
a) BA
b)
b) HUK1
c)
c) HA
d)
d) HC
20.
20. Under Regulation 5 of the Water Regulations, the water undertaker must be informed when which one of the following operations is carried out?
a)
a) Installation of a pump drawing more than 12 litres per minute
b)
b) Installation of a bidet without an ascending spray or flexible hose
c)
c) Installation of a bath with a capacity of fewer than 230 litres
d)
d) Installation of an RPZ valve to protect against a category 2 fluid
100 %
