The efficiency of a gas turbine is given by
(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)
- A cycle consisting of two constant pressure and two isentropic processes is known as
- A coil is cut into two halves, the stiffness of cut coil will be
- The value of 1 mm of Hg is equal to
- Which of the following has the highest calorific value?
- The behaviour of super-heated vapour is similar to that of
- The efficiency of Diesel cycle approaches to Otto cycle efficiency when
- A close cycle gas turbine gives __________ efficiency as compared to an open cycle gas turbine.
- In an extensive property of a thermodynamic system
- Impact strength of a material is an index of its
- A cycle consisting of two adiabatic and two constant pressure processes is known as
- The __________ states that change of internal energy of a perfect gas is directly proportional to the…
- In an irreversible process, there is a
- The ratio of root mean square velocity to average velocity of gas molecules at a particular temperature…
- A vertical column has two moments of inertia (i.e. Ixx and Iyy ). The column will tend to buckle in…
- The neutral axis of the cross-section a beam is that axis at which the bending stress is
- Diamond riveted joint can be adopted in the case of following type of joint
- The shear force diagram for a simply supported beam carrying a uniformly distributed load of w per unit…
- The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will
- Strain re-setters are used to
- The specific heat at constant volume is
- Which of the following is the correct statement of the second law of thermodynamics?
- The assumption made in Euler's column theory is that
- For the same compression ratio, the efficiency of dual combustion cycle is
- For which material the Poisson's ratio is more than unity
- When a bar is subjected to a change of temperature and its deformation is prevented, the stress induced…
- Which of the following gas has the highest calorific value?
- A path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3,…
- The efficiency of Carnot cycle is maximum for
- When the gas is cooled at constant pressure,
- The natural petroleum may be separated into