P_MANDREL_CONSISTS_OF_A_SOLID_ONE_ATTACHED_TO_ONE_END_AND_A_SLIDING_CONE_AND_ADJUSTING_NUT_ON_THE_OTHER_END._IDENTIFY_P.?$

P_MANDREL_CONSISTS_OF_A_SOLID_ONE_ATTACHED_TO_ONE_END_AND_A_SLIDING_CO

1.	P_MANDREL_CONSISTS_OF_A_SOLID_ONE_ATTACHED_TO_ONE_END_AND_A_SLIDING_CONE_AND_ADJUSTING_NUT_ON_THE_OTHER_END._IDENTIFY_P.?$
A.	plain mandrel
B.	stepped mandrel
C.	cone mandrel
D.	none of the mentioned
Answer» D. none of the mentioned