26.34 Fuel Tanks

26.34.2 For a fuel system, explain the function, and where appropriate, the correct handling of the following:

(a) tank filler caps and drains;

(b) expansion spaces;

(c) tank vents;

(d) baffles;

(e) sumps and drains;

(f) fuel quantity detectors;

(g) fuel strainers and filters;

(h) tank selector valves;

(i) cross feed valves;

(j) fuel flow meters.

26.34.4 Describe:

(a) the general rules for refuelling;

(b) the correct use of fuel tank dipsticks;