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WorksheetsProgression revision 4
Total questions: 28
Worksheet time: 15mins
What is the domestic voltage to an incoming property?
110 V
230 V
415 V
24 V
What is the maximum clipping distance for guttering?
1 metre
1.2 metres
0.8 metres
0.5 metres
A gutter install is 6 metres long, how much fall is required?
12 mm
1 mm
10 mm
10 cm
A drill is to be used in a domestic property that is supplied with 230V and has a current of 3amps. Calculate the watts required?
690 watts
76 watts
1690 watts
690 watts
How much clearance is required for maintenance purposes on a storage cistern in an attic?
250 mm
350 mm
450mm
550mm
If 0⁰ Celsius (C) is equivalent to 273 Kelvin (K) and 1⁰C is equivalent to 274 K what would 15 ⁰C be in K?
288
2880
28.80
288.0
What are the benefits of a primary ventilated stack over other types?
Less materials and less cost
More materials and higher cost
Less materials and higher cost
More materials and less cost
Please identify ports A, B and C on the below image?
B = To hot water (cylinder)
A = To central heating (radiators)
A/B = From boiler (flow)
What is the soundness testing procedure for AGD?
38mm for 2 mins
38mm for 3 mins
36mm for 2 mins
36mm for 3 mins
A joist is 300mm deep, what is the maximum depth that can be cut?
38.5mm
40mm
37.5mm
35mm
What material offers the least resistance to water flow?
Copper
Plastic
LCS
Cast Iron
Identify the different stack systems shown below?
Primary ventilated stack
Secondary ventilated stack system
Ventilated branch discharge system
Describe a bore hole?
What style and material are commonly used for guttering on Victorian properties?
Plastic – Half Round
Square – Cardboard
Cast iron – Ogee
Lead – Square
What qualification is required to be an Engineering Technician?
Degree
Level 2
Level 1
Level 3
Wholesome water is covered by which water category?
Category 1
Category 4
Category 2
Category 3
What diameter of pipework is required to supply a bath on a mains fed system?
22mm
28mm
15mm
10mm
What diameter of pipework is required to supply a bath on an indirect cold water system?
22mm
28mm
15mm
10mm
From the following list, choose 3 ways cold water pipework can be protected from freezing?
Trace heating
Re-route pipework
Anti-freeze
Lagging / Insulation
Inhibitor
What color card is issued for a level 3 qualified person?
Green
Blue
Red
Gold
A domestic property has an incoming supply pressure of 3bar, at what pressure should the system be soundness tested?
3bar
4.5bar
6bar
5.5bar
When working with waste pipe, what types of jointing connections can be used?
Push fit
Compression
Solvent welded
Soldered
A joist is 250mm deep, what size hole can be drilled?
65mm
62.5mm
31.25mm
40mm
Pipework connected to a cylinder must be insulated to at least a minimum of ? distance
500 mm
1.5 m
1 m
800 mm
What was a factor that influenced pre-1919 construction?
Timescales
Weather conditions
Using materials that were local
Using materials from another country
Kelvin is the SI unit for?
Pressure
Density
Temperature
Conduction
If the density of copper is 8940 kg/m3 & water is 1000 kg/m3,
What is the relative density of copper to water?
89.4
8.94
0.0894
0.894
The amount of electrolytic corrosion between two metals depends upon?
Their relative positions in the electromotive series
Their relationship in the automotive sequence
Them both being dielectric substances
Their respective atomic number
