Wavelength of radiation emitted by a body depends on the ________________ of its surface?
A. Temperature
B. Area
C. Nature
D. All ‘A’, ‘B’ & ‘C’
A. Temperature
B. Area
C. Nature
D. All ‘A’, ‘B’ & ‘C’
A. Brass
B. Aluminium
C. Copper
D. Lead
Which of the following metals is the most prone to work hardening ? Read More »
Chemical Engineering Basics A. 0
B. 0.33
C. 0.44
D. 0.25
A. Capacitance
B. Resistance
C. Mutual inductance
D. None of these
A. Pressure
B. Density
C. Force
D. None of these
A. Steel
B. Glass
C. Rubber
D. Brass
A. Two
B. Four
C. Six
D. Eight
A. Has higher current carrying capacity
B. Has better electron emissivity
C. Is stronger than ordinary tungsten
D. Is easy to prepare
In TIG welding, thoriated tungsten electrodes are used, because it ____________________? Read More »
Chemical Engineering Basics A. Zirconia
B. Alumina
C. Bakelite
D. Tungsten carbide
A. Chromatography
B. Evaporation
C. Filtration
D. Fractional distillation