Another name of main spring tension is :
ACarriage tension
BKey tension
CShift tension
DNone of the above
ACarriage tension
BKey tension
CShift tension
DNone of the above
Related Questions:
Rocher Mechanism includes the functioning of the following parts :
(i) Pinion wheel, Escapement wheel
(ii) Escapement wheel, loose dog
(iii) Pinion wheel, Segment slots
(iv) Loose dog, Platen.