Chemical Engineering :: Chemical Engineering Basics-2
- The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : Cp of copper is 23 J K⁻¹mole⁻¹)
- While the recrystallisation temperature for pure metals is 0.3 Tm, the same for alloys is equal to __________ x Tm (where, Tm Melting temperature).
- What is the critical radius of insulation (cms) for a metallic cylinder, if the convective heat transfer co-efficient with the ambient atmosphere is 5 W/m². °K ? Thermal conductivity of metal and insulation material are 40 and 0.1 W/m.°K respectively.
- M10 index of coke indicates its
- Heat flow across a hollow sphere of inner radius 'r₁' and outer radius 'r₂' is directly proportional to
- The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is __________ BTU/hr.
- The power of a low capacity prime mover is most suitably measured by a __________ type dynamometer.
- Which of the following is not a charge material for cupola ?
- To counteract the bad effects of strain hardening on a cold formed part, it must be
- A good abrasive
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