During sensible cooling of air, its wet bulb temperature
Decreases but dew point remains constant
Increases but dew point remains constant
Increases & the dew point decreases
Decreases & the dew point increases
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- A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/sec2 is
- Work hardenable alloy steel used to make the bucket wheel excavators, blades of bulldozers and other…
- Reynolds number of a fluid flowing in a circular pipe is 10,000. What will be the Reynolds number when…
- Maximum permissible sulphur content in steel is __________ percent.
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- Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect…
- Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses…
- A solid aluminium ball, when quenched in a water bath maintained at 40°C, cools down from 550°C…
- A material in which the atoms are arranged regularly in some directions but not in others, is termed…
- Which of the following alloying elements is present in maximum percentage in high speed steel?
- Steel balls are manufactured by
- For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other…
- Heating of ferromagnetic materials to a temperature above Curie temperature makes it
- Large diameter reinforced cement concrete (RCC) pipes are generally joined by __________ joint.
- A spring material should have low
- Which of the following is not the commercial name of poly-methyl-methacrylate (PMMA)?
- Cassiterite is an ore of
- Suitability of steel for its use in cable is judged by its strength in
- The fugacity of liquid water at 298 K is approximately 3171 Pa. Considering the ideal heat of vaporisation…
- The two elements required to form substitutional solid solution should not have
- Electrolytic reduction cell used for conversion of calcined Al2O3 to Al is a carbon lined furnace operating…
- Angular displacement can be measured suitably by a
- Oxyacetylene reducing flame is used while carrying out welding on
- The joint for soldering is supported by binding wire made of
- Most important property of steels for use in automobile bodies is the
- In chemical dehumidification process
- Between 230 and 370°C, blue brittleness is caused in mild steel because of the
- Stainless steel is welded using
- Iron content in Indian iron ore is about __________ percent.
- Stresses encountered in the metal forming processes are less than the __________ of the material.