Question 1

What does the cryptic crossword clue "Tense when investing in source of coal power? (5)" mean?

Accepted Answer

The definition is "power?". The wordplay uses a container (one word inside another). T (synonym="tense") in SEAM (synonym="source of coal") = STEAM; definition: "power?" The answer is STEAM.

Question 2

What is the answer to "Tense when investing in source of coal power? (5)"?

Accepted Answer

The answer is STEAM.