When an isolated thermodynamic system executes a process,
Work is done
Heat transfer takes place
Mass flow occurs across the boundary of the system
No chemical reaction takes place within the system
- Identify the correct statement with reference to the extractive metallurgy of aluminium.
- Wave length of X-rays is about 1 angstrom; however it cannot pass through a sheet of
- Baffles provided on the shell side of a shell and tube heat exchanger are meant for
- Joule-Thomson co-efficient is the ratio of
- Resilience of a bolt can be increased by increasing its
- The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume :…
- Which of the following commonly used condenser tube materials has the lowest thermal conductivity?
- The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction…
- Maximum consumption of limestone is in the __________ industry.
- Diamagnetic materials
- Lead is added to 60:40 brass primarily to improve
- Transition from laminar to turbulent zone in free convection heat transfer is governed by the critical…
- Material of construction of the electrode used in the electric resistance welding is
- Which of the following is not the commercial name of poly-methyl-methacrylate (PMMA)?
- The co-ordination number in simple cubic structure is
- The minimum temperature to which the water can be cooled in a cooling tower is the __________ temperature…
- Unit of surface tension in S.I. unit is
- Which of the following is a boiler accessory i.e., not a boiler mounting?
- __________ is not used as the control rod material in a nuclear reactor.
- A furnace is made of a refractory brick wall of thickness 0.5 metre and thermal conductivity 0.7 W/m.°K…
- In chemical dehumidification of air
- Which of the following metals is not subjected to electrolytic refining/purification?
- Gantt charts are used for streamlining the
- Air standard Otto cycle is more efficient than the diesel cycle for the same
- Silicon percentage in acid resistant cast iron is about
- In a counter flow heat exchanger, hot fluid enters at 170°C & leaves at 150°C, while the cold…
- With increase in compression ratio, the volumetric efficiency of air compressor
- An ideal material for making cooking vessels should have
- Galvanic corrosion cannot be prevented by
- A material being tested for endurance strength is subjected to the __________ load.