22-Sep-2022 Theme: 'Valve'

(1) Name any two of the four heart valves present in a typical mammal.

Answer: Mitral, tricuspid, pulmonary and aortic.

(2) Bivalves are marine or freshwater molluscs enclosed by hinged shells. What are the two parts of the shell called?

Answer: Valves.

(3) What was the US term for the glass ‘valves’ used in valve radios up until the 1960s?

Answer: Tubes.

(4) Which is the odd one out, and why? (a) Float valve (b) Gate valve (c) Globe valve (d) Ball valve.

Answer: (a) Float valve (turns off automatically).

(5) What did Trivalve win in November 1927?

Answer: The Melbourne Cup.

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