WorksheetsGMJ 7202 UNIT 113 Mock quiz
Total questions: 20
Worksheet time: 11mins
What types of measurements do plumbers need to be able to refer to and use?
Length only
Length and weight
Length, area, volume, flow rates, pressure, and temperature
Temperature only
Which tool is generally used for measuring less accurate or longer distances in plumbing work?
Steel rule
Tape measure
Site tape
Laser meter
How is electrical current measured?
Watts (W)
Volts (V)
Amperes (A)
Ohms (Ω)
What unit is typically used to measure electrical energy consumption on utility bills?
Watts (W)
Joules (J)
Kilowatt-hours (kWh)
Amperes (A)
Which device is used to measure temperature by placing it in a liquid and reading off the scale?
Thermocouple
Infrared thermometer
Clip-on thermometer
Digital thermometer
How do plumbers typically measure volume?
Litres (L)
Cubic feet (ft3)
Gallons (gal)
Pounds (lb)
What is the boiling point of water in degrees Celsius and Kelvin?
100ºC
0ºC
373K
-273ºC
What is this?
Themostatic Radiator Valve
(TRV)
Pillar Stap
Sure stop (isolation Valve)
Bypass valve
At sea level, what temperature° does water boil? (2 answers)
69°C
200°K
100°C
273°K
373°K
What description fits the material used to make the item in the image?
Alloy
Thermosetting plastic
thermoplastic
ceramic
Shiny surfaces.......
reflect heat
absorb heat
What is the device in the image....
Cylinder stat,
Clip on pipe stat
Room stat
Match the image to the type of heat transfer
Convection
conduction
radiation
Match the image to the description of how the jointing method is achieved.
Compressive force
Capillary attraction
Solvent weld
push fit ( o-ring and a grab ring)
Match the image to the description of how the jointing method is achieved.
Compressive force
Capillary attraction
Solvent weld
push fit ( o-ring and a grab ring)
Match the image to the description of how the jointing method is achieved.
Compressive force
Capillary attraction
Solvent weld
push fit ( o-ring and a grab ring)
Match the image to the description of how the jointing method is achieved.
Compressive force
Capillary attraction
Solvent weld
push fit ( o-ring and a grab ring)
When water freezes it expands by?
4%
10%
1600%
When water boils and becomes steam it expands by?
4%
10%
1600%
When water heats up from 0-98° centigrade it expands by?
4%
10%
1600%
