Gauges

Which bearing has poor thermal conductivity

• Nylon

• Teflon

• Sintered alloys

• Laminate phenolics

What is the purpose of Deep groove type of ball races provided in the ball bearing

• To withstand shock

• To carry journal loads

• To withstand axial thrust

• To withstand radial load

Why the melting point of bearing material should be lower than that of the shaft

• Prevent shaft seizure

• Prevent damage to bearing

• Allow the bearing to run efficiently

• Prevent thermal expansion of shaft

Which alloying metal bearing can work at higher temperature load carrying capacity

• Cast iron

• White metal

• Copper lead alloys

• Cadmium based alloy

What is the purpose of thrust ball bearing

• Axial load

• Radial load

• Axial thrust load

• Vertical thrust load

Which bearing material is used in connecting rod an electrical motors

• White metal

• Sintered alloys

• Aluminium alloy

• Copper lead alloys

Which metal powder is used in calorising process to prevent corrosion

• Zinc

• Nickel

• Chromium

• Aluminium

Which bearing material is used for light loading and low speed application

• Cast iron

• Tin bronze

• Cadmium based alloy

• Copper lead alloys