(p1 v1 - p2 v2)/(γ - 1)
[m R (T1 - T2)] /(γ - 1)
[m R T1/(γ - 1)][1 - (p2 v2 /p1 v1)]
All of these
D. All of these
237°C
-273°C
-237°C
273°C
Brayton cycle
Joule cycle
Carnot cycle
Reversed Brayton cycle
πd²/4
πd²/16
πd3/16
πd3/32
T.ω watts
2π. T.ω watts
2π. T.ω/75 watts
2π. T.ω/4500 watts
Toughness
Tensile strength
Capability of being cold worked
Hardness
(σx/2) + (1/2) × √(σx² + 4 τ²xy)
(σx/2) - (1/2) × √(σx² + 4 τ²xy)
(σx/2) + (1/2) × √(σx² - 4 τ²xy)
(1/2) × √(σx² + 4 τ²xy)
(σx + σy)/2 + (1/2) × √[(σx - σy)² + 4 τ²xy]
(σx + σy)/2 - (1/2) × √[(σx - σy)² + 4 τ²xy]
(σx - σy)/2 + (1/2) × √[(σx + σy)² + 4 τ²xy]
(σx - σy)/2 - (1/2) × √[(σx + σy)² + 4 τ²xy]
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
Atomisation
Carbonisation
Combustion
None of these
Reversible cycle
Irreversible cycle
Thermodynamic cycle
None of these
Same
Twice
Four times
Eight times
Constant volume
Constant temperature
Constant pressure
None of these
Gas engine
Petrol engine
Steam engine
Reversible engine
Increases
Decreases
First increases and then decreases
First decreases and then increases
Wood
Coke
Anthracite coal
Pulverised coal
Isothermally
Isentropically
Polytropically
None of these
Sum
Difference
Multiplication
None of the above
It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work
It is possible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work
It is impossible to construct a device which operates in a cyclic process and produces no effect other than the transfer of heat from a cold body to a hot body
None of the above
Petrol
Kerosene
Fuel oil
Lubricating oil
√(KT/m)
√(2KT/m)
√(3KT/m)
√(5KT/m)
Greater than Carnot cycle
Less than Carnot cycle
Equal to Carnot cycle
None of these
Heat and work crosses the boundary of the system, but the mass of the working substance does not crosses the boundary of the system
Mass of the working substance crosses the boundary of the system but the heat and work does not crosses the boundary of the system
Both the heat and work as well as mass of the working substance crosses the boundary of the system
Neither the heat and work nor the mass of the working substance crosses the boundary of the system
When coal is first dried and then crushed to a fine powder by pulverising machine
From the finely ground coal by moulding under pressure with or without a binding material
When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel
By heating wood with a limited supply of air to a temperature not less than 280°C
The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant pressure
The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant volume
The amount of heat required to raise the temperature of 1 kg of water through one degree
Any one of the above
65° to 220°C
220° to 345°C
345° to 470°C
470° to 550°C
Same
Half
Two times
Four times
Pressure exerted by the gas
Volume occupied by the gas
Temperature of the gas
All of these
In the middle
At the tip below the load
At the support
Anywhere
Not deform
Be safest
Stretch
Not stretch
Strain energy
Resilience
Proof resilience
Modulus of resilience