0°K to 123°K
0°C to - 123°C
0°C to - 273°C
0°K to 273°K
A. 0°K to 123°K
Hot metal
Flue gases
Slag
Refractory lining
Increases
Decreases
Remain constant
Either (A) or (B), depends on the type of semi-conductor
Additive
Constitutive
Both (A) & (B)
Neither (A) nor (B)
Make the plate softer
Burn oil & grease sticking to plate surfaces
Avoid plate distortion
Prevent cold cracks
Glass fibre in a polymer matrix
Glass fibre in a metallic matrix
Polymer fibre in a glassy matrix
Both 'b' & 'c'
Hard
Soft
Silicon carbide
Aluminium oxide
Processing of thermosetting plastics is ideally done by injection moulding
Processing of thermoplastics is ideally done by compression moulding
Mass production of seamless pipes are done by electrical resistance welding (ERW)
Stretch forming is a process of cold drawing
Drain out water and sludge from the boiler during repair
Put off fire in the furnace when water level in the boiler falls to unsafe limit
Guard the boiler in case of abnormal rise in steam pressure
All (A), (B) & (C)
Stainless steel
Reinforced cement concrete
Cast iron
Asbestos cement
Creep
Fatigue
Endurance
Tensile
Precipitation of sulphur takes place
H2SO3 is formed
Oleum is formed
None of these
Small punches, broaches reamers and springs
Cutlery, screws, rivets and files
Mandrels, twist drills, small lathe tools and razors
Forgings like can shaft, structural steel plate, threading dies and drawing dies
Tungsten carbide
High carbon steel
High speed steel
Drilling
Product yields and quality cannot be achieved in continuous process, because of long residence time
Sales demand of product is not steady
Same equipment cannot be used for several processes of the same nature
All (A), (B) & (C)
250
500
1000
3000
6
18
38
52
Silica
Alumina
Magnesia
Fireclay
Reduce the speed
Obtain variable speed
Increase the speed
Produce high torque
Amorphous
Cellular
Homogeneous
Granular
A ferromagnetic material becomes paramagnetic above the 'Curie temperature'
Permanent magnets are made of hard materials, whereas electromagnets require soft magnetic materials
Soft magnetic materials (e.g., pure iron) have higher permeability and low hysterisis loss and coercive forces
Tungsten steel and alnico are not hard magnetic materials
Base and strong acid
Base and weak acid
Acid and weak base
None of these
Mechanical
Overall
Volumetric
Impeller
Blow moulding
Calendaring
Extrusion
Injection
Aluminium
Tin
Lead
Both (B) & (C)
180°
212°
32°
273°
10
20
30
40
Uranium - 233 : Fertile material
Binding energy : Mass defect
Scattering: Absorption cross-section
Number of nucleons : Mass number
Heat
Humidity
Weight
None of these