When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristics number should be _____ the bearing modulus

5 times

10 times

15 times

20 times

(1/8)

(1/4)

(1/2)

2

Gravitational force is equal to the upthrust of the liquid

Gravitational force is less than the upthrust of the liquid

Gravitational force is more that the upthrust of the liquid

None of the above

Cracking at the cutting edge due to thermal stresses

Chipping of cutting edge

Plastic deformation of the cutting edge

All of these

Chemically correct air-fuel ratio by weight

Chemically correct air-fuel ratio by volume

Actual air-fuel ratio for maximum efficiency

None of the above