1. 40 kN
2. 2.5 kN
3. 5 kN
4. 20 kN
40 kN
1. 16 MPa
2. 14 MPa
3. 11 MPa
4. 10 MPa
11 MPa
1. 1
2. 2/3
3. 3/2
4. 2
2/3
1. 5 - 15, 20 - 200 and 3000 - 50,000 W/m2K.
2. 20 - 50, 200 - 500 and 50,000 - 105 W/m2K.
3. 50 - 100, 500 - 1000 and 105 - 103 W/m2K.
4. 20 - 100, 200 - 1000, and a constant 103 W/m2K.
5 - 15, 20 - 200 and 3000 - 50,000 W/m2K.
1. VN cos2α
2. VN sin2α
3. VN cos2α/2
4. VN 2/2
VN 2/2
1. different types of impulse stages
2. different types of reaction stages
3. a simple impulse stage, a velocity compounded impulse stage and reaction stage
4. a velocity compounded impulse stage, a simple impulse stage and a reaction stage
a velocity compounded impulse stage, a simple impulse stage and a reaction stage
1. the maximum static radial load that can be applied without ca using any plastic deformation of bearing component
2. the radial load a t which 90% of the group of apparently identical bearings run for one million revolutions before the first evidence of failure.
3. the maximum radial load that ca n be applied during operation without any plastic deformation of bearing components.
4. a combination of radial and axial loads that can be applied without any plastic deforma tion.
the radial load a t which 90\% of the group of apparently identical bearings run for one million revolutions before the first evidence of failure.
1. increases yield strength and corrosion resistance
2. decreases yield strength and corrosion resistance
3. decreases yield strength but increases corrosion resistance
4. increases yield strength but decreases corrosion resistance
increases yield strength but decreases corrosion resistance
1. roughness
2. flatness
3. angle
4. automobile balance
angle
1. spheroidite
2. bainite
3. carbon free zone due to burning of carbon a t high temperature
4. martensite.
bainite