IN_WHAT_SPEED_RANGE_DOES_SCREW_CONVEYOR_RUN_AT??$

1.	IN_WHAT_SPEED_RANGE_DOES_SCREW_CONVEYOR_RUN_AT??$
A.	60 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 80 rpm
B.	20 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 100 rpm
C.	60 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 120 rpm
D.	90 to 180 rpm
Answer» D. 90 to 180 rpm

Discussion