Determination of elastic constant
Detection of defects in metal
Measurement of material thickness
None of the above
B. Detection of defects in metal
As tiny gas bubbles
In the atomic form
In the ionic form
In the molecular form
Number
Weight
Radius
None of these
Tension
Compression
Torsion
Shear
Impact
Cupping
Hardness
Tensile
Composition
Temperature
Both (A) & (B)
Neither (A) nor (B)
Carburising
Nitriding
Cyaniding
Annealing
Easily available
Not soluble in blood at high pressure
Lighter than nitrogen
Completely miscible with oxygen
Iron ore & coke
Iron ore, coke & air
Limestone, coke & iron ore
Limestone, sand & iron ore
Supercharging
Wall temperature
Compression ratio
Engine speed
p
2 p
0.5 p
0.25 p
80-120
200-300
600-800
1000-1100
Viscous force is larger than the inertia force
Inertia force is larger than the viscous force
Inertia force is larger than the surface tension force
Inertia force is larger than the gravitational force
0.5
2
√2
√3/2
Electrical energy
Chemical energy
Energy of high velocity electrons
Heat generated by friction
Bleaching powder
Lime powder
Aluminium sulphate
None of these
Lumps
Pellets
Briquettes
Sinter
Uniform strength in all directions
Ability to hold protective coating
High ductility & corrosion resistance
Easily weldable characteristics
0.5
3
10
25
Work hardening
Bauschinger effect
Creeping effect
Stress recovery effect
Hardness & tensile strength
Carbon content
Iron content
Alloying elements content
Deviation
Derivative time
Error ratio
Differential gap
Ultraviolet radiation
High atmospheric temperature
High ambient temperature
Damp atmosphere
FeO
MgO
CaO
Refine coarse grain structure obtained during hot working
Improve ductility
Improve yield strength
Improve mechanical properties
Magnetic susceptibility
Magnetic moment
Permeability of free space
Flux density
Nuclear fission
Nuclear fusion
Both the nuclear fission & fusion
Ionisation
Boron carbide
Tungsten carbide
Hardened steel
Silicon carbide
Dryness
Moisture content
Coolness
Latent heat
15 to 25
5 to 10
40 to 55
60 to 70
Flow output
Head developed
Overall efficiency
Weight