NSC Civil Technology Civil Services Hot water system principles and installation: Choose a description from COLUMN

Question

Choose a description from COLUMN B that matches an item in COLUMN A. 
Write only the letter (A–L) next to the question numbers (4.1.1 to 4.1.8) in the ANSWER BOOK, e.g. 4.1.9 M.

COLUMN A                                      COLUMN B
4.1.1 Air lock                               A. does not generate heat but moves the heat instead
4.1.2 Heat pump                             B. sole purpose is to prevent water from flowing back in the wrong direction
4.1.3 Pressure-control valve               C. hot-water outlet of a solar geyser
4.1.4 Vacuum breaker                      D. enables local authorities to calculate the amount of water
4.1.5 Stopcock                               E. to balance the water pressure of the hot- and cold-water supply
4.1.6 Thermostat                           F. regulates the heating of water inside the geyser
4.1.7 Solar geyser                          G. used to close or shut off the water
4.1.8 Drip tray                               H.

Choose a description from COLUMN B that matches an item in COLUMN A - NSC Civil Technology Civil Services - Question 5 - 2023 - Paper 1

Worked Solution & Example Answer:Choose a description from COLUMN B that matches an item in COLUMN A - NSC Civil Technology Civil Services - Question 5 - 2023 - Paper 1

4.1.1 Air lock

4.1.2 Heat pump

4.1.3 Pressure-control valve

4.1.4 Vacuum breaker

4.1.5 Stopcock

4.1.6 Thermostat

4.1.7 Solar geyser

4.1.8 Drip tray

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