Ferritic stainless steel
HSLA steel
Titanium
Austenitic stainless steel
B. HSLA steel
Soft ferrites
High purity iron
Grain oriented Fe-Si alloy
Al-Ni-Co alloy
Scratch
Indentation
Dynamic
Rebound
Haemoglobin
Chlorophyll
Hypo solution
None of these
Refrigerant cooling
Evaporator
Condenser
Throttling
Creep
Fatigue
Endurance
Tensile
Black
Silver grey
Green
Yellow
Add alloying elements
Prevent electrode from contamination
Stabilise the arc
Provide protective atmosphere to weld
Suspension
Emulsion
Gel
Solution
Impact strength
Endurance limit
Machinability
Corrosion resistance
A, C, B, D
D, B, C, A
D, C, B, A
D, A, B, C
Suppress martensite transformation
Enhance its working performance in sub zero atmosphere
Reduce the retained austenite in hardened steel
Induce temper brittleness after its hardening
Silicon carbide
Corundum
Aluminium oxide
Boron carbide
Malleable
Ductile
Brittle
Tough
Specific fuel consumption is very low due to the use of heavy water
Fuel cost is much lower than that used in pressurised water or boiling water reactor
Heavy water is used both as coolant as well as moderator
Both 'b' & 'c'
FeO
MgO
CaO
Vacancy
Dislocation
Grain boundary
All of these
K + S
K + S + K2Cr2O7
S + K2Cr2O7 + White P
None of these
Conduction
Convection
Radiation
Both 'a' & 'b'
Magnetic susceptibility
Magnetic moment
Permeability of free space
Flux density
Stiffness
Malleability
Creep resistance
Tensile strength
Iron ore & coke
Iron ore, coke & air
Limestone, coke & iron ore
Limestone, sand & iron ore
Boundary
Hydrodynamic
Hydrostatic
Mixed/semi-fluid
Heat
Humidity
Weight
None of these
Capillary action
Adhesion
Cohesion
Surface tension
Chimney
Induced draught fan
Forced draught fan
Steam jet arrangement
Graphite
Lead sulphide
Lead
Both (B) & (C)
Highly stressed parts
Gauges or precision parts
Cold rolled sheets
Non machinable materials
Makes it usable in almost all magnetic circuits where alternating current is used
Increases its electrical resistivity and decreases the hysteresis loss
Is present upto 5% & 4% respectively when used in transformers & motor armatures
All 'a', 'b' & 'c'
Less
More
Equal
Unpredictable
15 to 25
5 to 10
40 to 55
60 to 70