Probably an easier quiz. At the club tonight there was one score of 19/20. I left the club, got into the car, and the answer to #16 was playing on Radio2.
All answers start with the same letter.

Usual request: Please do not answer in the thread. Claim the number you score. I will reply to PMs.

1        What name is given to underwater vehicles ?
2        What annual payment for the use of facilities is often made at this time of year ?
3        What term for the material removed by cutting tools (particularly waste metal) is used in the name of a proprietary industrial hand cleanser ?
4        What word means to temporarily transfer someone to another post or branch ?
5        What word meaning a lucky chance or discovery, is taken from a fairy tale about three princes ?
6        What name is given to the gradual sinking of land forms to a lower level ?
7        What name is given to a cocktail of Brandy, Cointreau and Lemon juice ?
8        What term is used for an attendant looking after a boxer or duellist ?
9        What name is given to a payment, or allowance, to reimburse living expenses while on assignments ?
10        What name is given to marks appearing on the body resembling the wounds of Christ ?
11        Who was responsible for the construction of the Stockton and Darlington railway ?
12        Which food supposedly gives Popeye his strength ?
13        What term is used for a financial aid made by the Government to balance the payments of an industry ?
14        What name is given to one 3,600th of a degree of Longitude ?
15        What word describes a transcription of the dialogue at the bottom of a film screen ?
16        What was a No. 5 hit for the Who in 1966, and No. 7 in 1976 ?
17        Which washing powder (not Tide) means the waves breaking on the shore ?
18        What is the official language of Kenya & Tanzania, and used widely throughout E. Africa ?
19        What record did barbra Streisand get to No.14 in 1966 (her first entry into the British charts) ?
20        In medieaval Europe, what term was used for a person bought and sold with the land on which he worked ?

Nigel