Longitudinal stress to longitudinal strain
Volumetric stress to volumetric strain
Lateral stress to Lateral strain
Shear stress to shear strain
D. Shear stress to shear strain
WD3n/Cd⁴
2WD3n/Cd⁴
4WD3n/Cd⁴
8WD3n/Cd⁴
Thermal efficiency
Work ratio
Avoids pollution
None of these
Longitudinal stress to longitudinal strain
Volumetric stress to volumetric strain
Lateral stress to Lateral strain
Shear stress to shear strain
Elastic limit
Yield stress
Ultimate stress
Breaking stress
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
Increase in availability of energy
Increase in temperature
Decrease in pressure
Degradation of energy
Joint less section
Homogeneous section
Perfect section
Seamless section
Rankine
Stirling
Carnot
Brayton
Ideal materials
Uniform materials
Isotropic materials
Piratical materials
rγ - 1
1 - rγ - 1
1 - (1/r) γ/γ - 1
1 - (1/r) γ - 1/ γ
Thermodynamic system
Thermodynamic cycle
Thermodynamic process
Thermodynamic law
Total internal energy of a system during a process remains constant
Total energy of a system remains constant
Workdone by a system is equal to the heat transferred by the system
Internal energy, enthalpy and entropy during a process remain constant
Vapour
Perfect gas
Air
Steam
(p - 2d) t × σc
(p - d) t × τ
(p - d) t × σt
(2p - d) t × σt
Pulverised coal
Brown coal
Coking bituminous coal
Non-coking bituminous coal
Inversely proportional to two times
Directly proportional to
Inversely proportional to
None of these
11/7
9/7
4/7
All of the above
Principal stresses
Normal stresses on planes at 45°
Shear stresses on planes at 45°
Normal and shear stresses on a plane
p v = constant, if T is kept constant
v/T = constant, if p is kept constant
p/T = constant, if v is kept constant
T/p = constant, if v is kept constant
l/8
l/4
l/2
l
wl/6
wl/3
wl
2wl/3
Steel only
Concrete only
Steel and concrete both
None of these
Atomisation
Carbonisation
Combustion
None of these
Radius
Diameter
Circumference
Area
Coke
Wood charcoal
Bituminous coal
Briquetted coal
Equal to
One-half
Twice
Four times
Reversible
Irreversible
Reversible or irreversible
None of these
log (p1p2)/log (v1v2)
log (p2/ p1)/log (v1/ v2)
log (v1/ v2)/ log (p1/p2)
log [(p1v1)/(p2v2)]
Two constant pressure
Two constant volume
Two isentropic
One constant pressure, one constant volume
Carnot cycle
Otto cycle
Joule's cycle
Stirling cycle