Refine coarse grain structure obtained during hot working
Improve ductility
Improve yield strength
Improve mechanical properties
B. Improve ductility
Grain size
Fatigue limit
Surface hardness
Wear resistance
Wood's metal
Babbitt metal
Monel metal
Duralumin
Electrostatic precipitator
Wet scrubber
Bag filter
Gravity settling chamber
Supercharging
Wall temperature
Compression ratio
Engine speed
Sinter
Coke
Iron ore
Limestone
Mild steel
Copper
Cast iron
Wrought iron
Mild steel
Copper
Soft iron
Stainless steel
High speed steel
Carbide
Cast alloy
Plain carbon steel
130
180
230
250
Applies to elastic deformation
Applies beyond limit of proportionality in stress-strain curve
States that stress is inversely proportional to strain upto elastic limit
None of these
Precipitation of fine alloy carbides at high temperatures
Refinement of ferrite grain size by working
Decomposition of retained austenite upon heat treatment
Precipitation of complex inter-metallic upon heat treatment
Stainless steel
Reinforced cement concrete
Cast iron
Asbestos cement
Chromatography
Evaporation
Filtration
Fractional distillation
Tapering pipe at constant flow rate
Tapering pipe at either decreasing or increasing flow rate
Long pipeline of constant diameter
None of these
Fire-fighting
Cooling
Drinking
Evaporation to produce steam
Degradation of energy
Decrease in system pressure
Increase in the availability of energy
Increase in the temperature
Increase fluidity of solder by lowering its melting temperature
Prevent oxide formation
Wash away surplus solder
Full up the joint gap
2
8
10
40
Powder
Gaseous mixture
Solution
Emulsion
0°K to 123°K
0°C to - 123°C
0°C to - 273°C
0°K to 273°K
Bolt
Stud
Set screw
Split nut
Mild steel
Concrete
Cast iron
Asbestos cement
Guard the boiler in case of abnormal rise in steam pressure
Drain out water and sludge during its repair
Regulate the supply of water in boiler
Put out the fire in the furnace when the water level in the boiler falls to unsafe limit
High pressure & load
Low pressure & load
High temperature
Large surface wear
Boiler
Condenser
Evaporator
All (A), (B) & (C)
Killed
Rimming
High alloy
None of these
Aluminium
Brass
Cast iron
Steel
Ethyl alcohol
Carbon tetrachloride
Glycerol
Ethylene glycol
Compact & rugged construction with an accuracy of 0.1 to 1%
No moving parts and incurs negligible deflection under load
Provision of thermal compensation and is hermetically sealed
All 'a', 'b' & 'c'
Electrical resistance welding
Die casting
Semi-centrifugal casting
Continuous casting