The radius of the Mohrs circle in the given figure is equal to
Sum of two principal stresses
Difference of two principal stresses
Half the sum of two principal stresses
Half the difference of two principal stresses
- The efficiency of Joule cycle is
- The efficiency of Diesel cycle depends upon
- True stress strain-curve for materials is plotted between
- One kg of carbon requires 4/3 kg of oxygen and produces __________ kg of carbon monoxide gas.
- Proof resilience per material is known as
- The deformation of a bar under its own weight compared to the deformation of same body subjected to…
- The neutral axis of a transverse section of a beam passes through the centre of gravity of the section…
- When a perfect gas is expanded through an aperture of minute dimensions, the process is known as
- The ratio of elongation in a prismatic bar due to its own weight (W) as compared to another similar…
- The calorific value of gaseous fuel is expressed in
- When the gas is heated at constant pressure, the heat supplied
- The shape of cantilever for uniformly distributed load will be
- When a gas is heated, change takes place in
- According to Kelvin-Planck's statement, a perpetual motion of the __________ is impossible.
- Within elastic limit, stress is
- One kilowatt is equal to
- The compression ratio for petrol engines is
- A cycle consisting of __________ and two isothermal processes is known as Stirling cycle.
- Carnot cycle has maximum efficiency for
- The heat supplied to the gas at constant volume is (where m = Mass of gas, cv = Specific heat at constant…
- A column of length (l) with both ends fixed may be considered as equivalent to a column of length __________…
- The mass of excess air supplied is equal to
- The efficiency and work ratio of a simple gas turbine cycle are
- Steam coal is a
- The throttling process is __________ process.
- Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat…
- For which material the Poisson's ratio is more than unity
- Elasticity of Mild Steel specimen is defined by
- The safe twisting moment for a compound shaft is equal to the
- The ideal efficiency of a Brayton cycle without regeneration, with increase in pressure ratio will