The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at ______________ percent relative humidity ?

Related Mcqs:

Filler material used in welding should have _________________ as compared to the parent metal to be welded ?

A. Lower melting temperature B. Same melting temperature C. Same composition D. Both ‘B’ & ‘C’...

Window panes of aeroplanes are normally made of_____________________?

A. Perspex (PMMA) B. Teflon (PTFE) C. Bakelite (phenol formaldehyde) D. Polystyrene...

The materials which fracture even at small strains are termed as brittle, while those materials which exhibit an appreciable deformation before failure are termed as__________________?

A. Rigid B. Tough C. Ductile D. Plastic...

Pressure exerted by a liquid depends upon its_________________?

A. Surface tension B. Density C. Viscosity D. Buoyancy...

Principal alloying element in Elinvar (used for making hair springs for watches) is__________________?

A. Copper B. Aluminium C. Nickel D. Zinc...