Plumbing Science Quiz 3

how's A cold Water storage Cistern contains 250L when filled to its working Capacity, If the base of the cistern measures 600mm by 1200mm, What pressure will be exerted by the cistern on the base beneath it?

• 176.5N/m2
• 245.2 N/m2
• 340.0 N/m2
• 347.0 N/m2

Which of the following measurements is a base SI unit?

• KG
• M/S
• m2
• l/s

Which of the following components is Manufactured from pure metal?

• 22mm endfeed elbow
• Double panel, single convector,welded seam radiator
• Lead free solder
• 15mm Type A compression coupling

Which one of the following Statements describes the ductility of a material

• Its ability to be stretched without breaking
• Its ability to conduct Heat
• Its ability to resist atmospheric corrosion
• Its ability to return to its original shape once released from tension

If 0.150m3 of water were heated beyond its boiling point, what volume of steam would be produce?

• 0.150 m3
• 150 m3
• 0.240 m3
• 240 m3
• willy

What is the the Unit of heat

• Joule
• Watt
• Kelvin
• Ampere

What does the term potential difference refer to

• Voltage
• Amperage
• Resistance
• Power

Using Ohms law, Calculate the voltage in a circuit that has the resistance of 75 Ohms and a current of 2.5 amps

• 30 Volts
• 187.5 Volts
• 575.1 Volts
• 230 Volts

What size of earth cable should be used to bond Gas & Water Mains Pipework?

• 4 mm 2
• 6mm 2
• 8 mm 2
• 10 mm 2

When different metals are present together in a system of pipework, Which one of the following types of corrosion is likely to occur

• Erosion
• Oxidic
• Atmospheric
• Electrolytic