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, it does 20 kJ of work. The heat absorbed during the cycle 1-4-3 is 
-140 kJ
-80 kJ
-40 kJ
+60 kJ
- Strain is defined as the ratio of
- According to Kelvin-Planck's statement of second law of thermodynamics,
- The fuel mostly used in blast furnace for extracting pig iron from iron ores is
- The efficiency of Diesel cycle increases with
- Volumetric strain for a rectangular specimen of length l, breadth b and thickness t subjected to a pull…
- When a body is subjected to a direct tensile stress (σx) in one plane accompanied by a simple shear…
- The ratio of direct stress to volumetric strain in case of a body subjected to three mutually perpendicular…
- Which of the following has the minimum atomic mass?
- The absolute zero pressure will be
- For the same maximum pressure and temperature,
- The area under the temperature-entropy curve (T - s curve) of any thermodynamic process represents
- The ratio of elongation in a prismatic bar due to its own weight (W) as compared to another similar…
- In open cycle gas turbine plants
- The pressure exerted by an ideal gas is ________ of the kinetic energy of all the molecules contained…
- The compression ratio for Diesel engines is
- The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and…
- The bending moment at a point on a beam is the algebraic ________ of all the moments on either side…
- Otto cycle consists of following four processes
- The change in the unit volume of a material under tension with increase in its Poisson's ratio will
- Percentage reduction in area performing tensile test on cast iron may be of the order of
- One kg of carbon requires 4/3 kg of oxygen and produces __________ kg of carbon monoxide gas.
- When a bar is subjected to a change of temperature and its deformation is prevented, the stress induced…
- According to Avogadro's law
- When a gas is heated at constant volume
- The ratio of the largest load in a test to the original cross-sectional area of the test piece is called
- Which of the following is the correct statement?
- When a body is subjected to biaxial stress i.e. direct stresses (σx) and (σy) in two mutually…
- A column is said to be a short column, when
- A masonry dam may fail due to
- The efficiency of the dual combustion cycle for the same compression ratio is __________ Diesel cycle.