Which of the following is the correct statement?
For a given compression ratio, both Otto and Diesel cycles have the same efficiency.
For a given compression ratio, Otto cycle is more efficient than Diesel cycle.
For a given compression ratio, Diesel cycle is more efficient than Otto cycle.
The efficiency of Otto or Diesel cycle has nothing to do with compression ratio.
- Kelvin-Planck's law deals with
- When coal is first dried and then crushed to a fine powder by pulverising machine, the resulting fuel…
- The extension of a circular bar tapering uniformly from diameter d₁ at one end to diameter d₂…
- In an irreversible process, there is a
- According to First law of thermodynamics,
- The efficiency of Diesel cycle depends upon
- For the constant pressure and heat input, the air standard efficiency of gas power cycle is in the order
- Otto cycle is also known as
- The value of specific heat at constant pressure (cp) is __________ that of at constant volume (cv).
- The efficiency of the Carnot cycle may be increased by
- A boiler shell 200 cm diameter and plate thickness 1.5 cm is subjected to internal pressure of 1.5 MN/m,…
- In compression test, the fracture in cast iron specimen would occur along
- A definite area or a space where some thermodynamic process takes place is known as
- The absolute zero pressure can be attained at a temperature of
- One kg of carbon produces __________ kg of carbon dioxide.
- The ratio of molar specific heats for mono-atomic gas is
- Which of the following is the correct statement?
- The ideal efficiency of a Brayton cycle without regeneration, with increase in pressure ratio will
- The efficiency and work ratio of a simple gas turbine cycle are
- Modulus of rigidity is defined as the ratio of
- The cycle in which heat is supplied at constant volume and rejected at constant pressure is known as
- The materials which exhibit the same elastic properties in all directions are called
- The percentage reduction in area of a cast iron specimen during tensile test would be of the order of
- The gas in cooling chamber of a closed cycle gas turbine is cooled at
- The bending stress in a beam is _________ section modulus.
- In open cycle gas turbine plants
- Producer gas is obtained by
- The processes occuring in open system which permit the transfer of mass to and from the system, are…
- A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear…
- If the rivets in adjacent rows are staggered and the outermost row has only one rivets, the arrangement…