(Net work output)/(Workdone by the turbine)
(Net work output)/(Heat supplied)
(Actual temperature drop)/(Isentropic temperature drop)
(Isentropic increase in temperature)/(Actual increase in temperature)
B. (Net work output)/(Heat supplied)
(m - 1)/ (2m - 1)
(2m - 1)/ (m - 1)
(m - 2)/ (3m - 4)
(m - 2)/ (5m - 4)
0.287 J/kgK
2.87 J/kgK
28.7 J/kgK
287 J/kgK
Carbon and hydrogen
Oxygen and hydrogen
Sulphur and oxygen
Sulphur and hydrogen
1 g
10 g
100 g
1000 g
Brown coal
Peat
Coking bituminous coal
Non-coking bituminous coal
Wl3 / 48EI
5Wl3 / 384EI
Wl3 / 392EI
Wl3 / 384EI
1 kg of water
7 kg of water
8 kg of water
9 kg of water
Otto cycle
Ericsson cycle
Joule cycle
Stirling cycle
Greater than Diesel cycle and less than Otto cycle
Less than Diesel cycle and greater than Otto cycle
Greater than Diesel cycle
Less than Diesel cycle
0.5 s.l.σt
s.l.σt
√2 s.l.σt
2.s.l.σt
Straight line
Parabolic
Elliptical
Cubic
3 to 6
5 to 8
15 to 20
20 to 30
Greater than
Less than
Equal to
None of these
Working substance
Design of engine
Size of engine
Temperatures of source and sink
Area of cross-section of the column
Length and least radius of gyration of the column
Modulus of elasticity for the material of the column
All of the above
Chain riveted joint
Diamond riveted joint
Crisscross riveted joint
Zigzag riveted joint
Increase
Decrease
Remain unchanged
Increase/decrease depending on application
√(KT/m)
√(2KT/m)
√(3KT/m)
√(5KT/m)
-273°C
73°C
237°C
-237°C
Same
Double
Half
Four times
δl = 4PE/ πl²
δl = 4πld²/PE
δl = 4Pl/πEd₁d₂
δl = 4PlE/ πd₁d₂
Reversible cycle
Irreversible cycle
Thermodynamic cycle
None of these
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
30 kJ
54 kJ
84 kJ
114 kJ
Temperature limits
Pressure ratio
Compression ratio
Cut-off ratio and compression ratio
cv/ cp =R
cp - cv = R
cv = R/ γ-1
Both (B) and (C)
Short column
Long column
Weak column
Medium column
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
The stress and strain induced is compressive
The stress and strain induced is tensile
Both A and B is correct
None of these
No heat enters or leaves the gas
The temperature of the gas changes
The change in internal energy is equal to the mechanical workdone
All of the above