Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast
Carbonisation of bituminous coal
Passing steam over incandescent coke
Passing air and a large amount of steam over waste coal at about 650°C
D. Passing air and a large amount of steam over waste coal at about 650°C
2
8
16
32
800 K
1000 K
1200 K
1400 K
3 to 6
5 to 8
15 to 20
20 to 30
Elastic point of the material
Plastic point of the material
Breaking point of the material
Yielding point of the material
Hookes law
Yield point
Plastic flow
Proof stress
4/7
11/4
9/7
All of these
Reversible process
Irreversible process
Reversible or irreversible process
None of these
Same
Lower
Higher
None of these
Plasticity
Elasticity
Ductility
Malleability
πd²/4
πd²/16
πd3/16
πd3/32
Breaking stress
Fracture stress
Yield point stress
Ultimate tensile stress
1 N-m
1 kN-m
10 N-m/s
10 kN-m/s
Butt joint
Lap joint
Double riveted lap joints
All types of joints
Constant pressure cycle
Constant volume cycle
Constant temperature cycle
Constant temperature and pressure cycle
Gauge pressure = Absolute pressure + Atmospheric pressure
Absolute pressure = Gauge pressure + Atmospheric pressure
Absolute pressure = Gauge pressure - Atmospheric pressure
Atmospheric pressure = Absolute pressure + Gauge pressure
Conservation of work
Conservation of heat
Conversion of heat into work
Conversion of work into heat
Boyle's law
Charles' law
Gay-Lussac law
Avogadro's law
No stress
Shear stress
Tensile stress
Compressive stress
Boyle's law
Charles' law
Gay-Lussac law
Avogadro's law
Zeroth law of thermodynamics
First law of thermodynamics
Second law of thermodynamics
Kinetic theory of gases
√(KT/m)
√(2KT/m)
√(3KT/m)
√(5KT/m)
No stress
Shear stress
Tensile stress
Compressive stress
Strain energy
Resilience
Proof resilience
Impact energy
Coal gas
Producer gas
Mond gas
Blast furnace gas
Thermal efficiency
Work ratio
Avoids pollution
None of these
The liquid fuels consist of hydrocarbons.
The liquid fuels have higher calorific value than solid fuels.
The solid fuels have higher calorific value than liquid fuels.
A good fuel should have low ignition point.
Strain energy
Resilience
Proof resilience
Modulus of resilience
Boyle's law
Charle's law
Gay-Lussac law
Joule's law
Mass of oxygen in 1 kg of flue gas to the mass of oxygen in 1 kg of fuel
Mass of oxygen in 1 kg of fuel to the mass of oxygen in 1 kg of flue gas
Mass of carbon in 1 kg of flue gas to the mass of carbon in 1 kg of fuel
Mass of carbon in 1 kg of fuel to the mass of carbon in 1 kg of flue gas
Fixed at both ends
Fixed at one end and free at the other end
Supported at its ends
Supported on more than two supports