When the axial load carried by the shaft in case of flat collar bearing, is large; a number of collars are provided on the shaft. This is done____.

Related MCQs

• The number of collars are provided to carry a fixed axial force in a flat collar bearing _______.
• In a multi-collared thrust bearing consisting of 'n' collars and subjected to axial load W, load sheared by each collar 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
• For uniform wear, 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
• The ratio of frictional torque for a conical collar bearing to that for flat collar bearing is proportional to____. Where ϴ=semi-angle of the cone
• Torque required to overcome the friction between shaft and bearing surface in case of multiple flat collar bearing is ___________.
• Torque required to overcome the friction between shaft and bearing surface in case of multiple flat collar bearing is ___________.
• The purpose of providing multiple collars on a flat collar pivot bearing is to ____.
• A thrust bearing having collars of external and internal diameter as 40 cm and 20 cm respectively, carries an axial load of 3000 N. The co-efficient of friction is 0.09 and shaft runs at 420 rpm. The power lost in friction is to be determined. The corresponding value of friction torque would be ____.
• A thrust bearing having collars of external and internal diameter as 40 cm and 20 cm respectively, carries an axial load of 3000 N. The co-efficient of friction is 0.09 and shaft runs at 420 rpm. The power lost in friction would be equal to ____.