Dual cycle, Diesel cycle, Otto cycle
Otto cycle, Diesel cycle, Dual cycle
Dual cycle, Otto cycle, Diesel cycle
Diesel cycle, Otto cycle, Dual cycle
A. Dual cycle, Diesel cycle, Otto cycle
Volume
Temperature
Mass
Energy
It is made of thick sheets
The internal pressure is very high
The ratio of wall thickness of the vessel to its diameter is less than 1/10.
The ratio of wall thickness of the vessel to its diameter is greater than 1/10.
Vapour
Perfect gas
Air
Steam
(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
wl/6
wl/3
wl
2wl/3
W1 - 2 = 0
Q1 - 2 = 0
dU = 0
All of these
0.287 J/kgK
2.87 J/kgK
28.7 J/kgK
287 J/kgK
There is no change in temperature
There is no change in enthalpy
There is no change in internal energy
All of these
Fixed at both ends
Fixed at one end and free at the other end
Supported on more than two supports
Extending beyond the supports
Pitch
Back pitch
Diagonal pitch
Diametric pitch
cv/ cp =R
cp - cv = R
cv = R/ γ-1
Both (B) and (C)
Energy stored in a body when strained within elastic limits
Energy stored in a body when strained up to the breaking of a specimen
Maximum strain energy which can be stored in a body
Proof resilience per unit volume of a material
Maximum at periphery and zero at center
Maximum at center
Uniform throughout
None of the above
Straight line formula
Eulers formula
Rankines formula
Secant formula
Tensile strain increases more quickly
Tensile strain decreases more quickly
Tensile strain increases in proportion to the stress
Tensile strain decreases in proportion to the stress
Drying and crushing the coal to a fine powder
Moulding the finely ground coal under pressure with or without a binding material
Heating the wood with a limited supply of air to temperature not less than 280°C
None of the above
Petrol engine
Diesel engine
Reversible engine
Irreversible engine
Principal stresses
Normal stresses on planes at 45°
Shear stresses on planes at 45°
Normal and shear stresses on a plane
Boyle's law
Charle's law
Gay-Lussac law
Joule's law
Carnot cycle
Otto cycle
Joule's cycle
Stirling cycle
Boyle's law
Charles' law
Gay-Lussac law
All of these
In tension
In compression
Neither in tension nor in compression
None of these
Coal gas
Producer gas
Mond gas
Blast furnace gas
It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature.
It is impossible to transfer heat from a body at a lower temperature to a body at a higher temperature, without the aid of an external source.
It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature by using refrigeration cycle.
None of the above
Isothermally
Isentropically
Polytropically
None of these
Its length is very small
Its cross-sectional area is small
The ratio of its length to the least radius of gyration is less than 80
The ratio of its length to the least radius of gyration is more than 80
√(KT/m)
√(2KT/m)
√(3KT/m)
√(5KT/m)
Workdone
Entropy
Enthalpy
None of these
Two constant volume and two isentropic
Two constant pressure and two isentropic
Two constant volume and two isothermal
One constant pressure, one constant volume and two isentropic
Thermal efficiency
Work ratio
Avoids pollution
None of these