A flat footstep bearing 10 cm radius supports a load of 3 kN. The shaf – McqOptions

MCQOPTIONS

1.	A flat footstep bearing 10 cm radius supports a load of 3 kN. The shaft runs at 600/π r.p.m. and co-efficient of friction is 0.1.The friction torque and frictional power in watts with uniform pressure are respectively.
A.	10 n-m and 400 watts
B.	20 n-m and 400 watts
C.	30 n-m and 600 watts
D.	not possible to find for insufficient data
Answer» C. 30 n-m and 600 watts

Discussion

No Comment Found

Related MCQs

A flat footstep bearing 10 cm radius supports a load of 3 kN. The shaft runs at 600/π r.p.m. and co-efficient of friction is 0.1. The friction torque and frictional power in watts with uniform wear are respectively.
For same μr and all wheels are impending slip, stopping distance for four wheel vehicle is _____
For uniform pressure the ratio of frictional torque for a flat collar bearing to the frictional torque for conical collar bearing is equal to____. Where ϴ=semi-angle of the cone
Torque transmitted by single plate clutch with axial spring load = 1 kN, and inner and outer radii of 10 cm and 15 cm and µ = 0.5 with assumption of uniform wear is ____.
Refer fig.3 Pivot point O3, force at A vertically up and if µ.d ≥ b then____.
A flat footstep bearing 10 cm radius supports a load of 3 kN. The shaft runs at 600/π r.p.m. and co-efficient of friction is 0.1.The friction torque and frictional power in watts with uniform pressure are respectively.
For safe design, a frictional clutch is designed assuming ____.
Frictional torque transmission through multi plate clutch is equivalent to____.
A friction clutch should be designed on the assumption of
The frictional torque transmitted by a disc clutch is same as that of _____.