Progression revision 4

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