1. Nickel
2. Vanadium
3. Molybdenum
4. Tungston
Vanadium
1. rate of cooling is greater than the critical cooling rate
2. rate of cooling is less than the critical cooling rate
3. marten site formation starting temperature is above the room temperature
4. marten site formation finish temperature is below the room temperature
marten site formation finish temperature is below the room temperature
1. oil viscosity is to be decreased
2. oil viscosity is to be increased
3. oil viscosity index is to be increased
4. oil viscosity index is to be decreased
oil viscosity is to be decreased
1. angle of rest is zero
2. angle of creep is zero
3. angle of rest is greater than angle of creep
4. angle of creep is greater than angle of rest
angle of rest is greater than angle of creep
1. 350
2. 600
3. 900
4. 50
50
1. 1µm
2. 10µm
3. 50 µm
4. 100 µm
10µm
1. centre distance
2. worm diameter factor
3. number of starts
4. reduction ratio
reduction ratio
1. non-passivating electrolyte for stock removal and passivating electrolyte for finish control
2. Passivating electrolyte for stock removal and non-passivating electrolyte for finish control
3. Selection of electrolyte is dependent on current density
4. Electrolyte selection is based on tool-work electrodes
non-passivating electrolyte for stock removal and passivating electrolyte for finish control
1. Controlling the pressure of electrolyte flow
2. Controlling the applied static load
3. Controlling the size of diamond particle in the wheel
4. Controlling the texture of the work piece
Controlling the size of diamond particle in the wheel
1. mean absolute deviation
2. mean absolute percentage error
3. mean standard error
4. mean square error
mean square error