A three-phase, 318.75kVA, 2300-Volt, alternator has an armature resistance of 0.35/phase and a synchronous reactance of 1.2/phase. Determine the no-load lineto- line generated voltage and the voltage regulation at:

Consider a large isothermal enclosure that is maintained at a uniform temperature of 2000 k. calculate the emissive power of the radiation that emerges from a small aperture on the enclosure surface. what is the wavelength ? , below which 10% of the emission is concentrated? what is the wavelength ? 2 above which 10% of the emission is concentrated? determine the wavelength at which maximum spectral emissive power occurs. what is the irradiation incident on a small object placed inside the enclosure?

What is a monomer? how do they form a ploymer from the view point of chemical bonding?

A21-tooth spur pinion mates with a 28-tooth gear. the diametral pitch is 3 teeth/in and the pressure angle is 20°, find the following values: the addendum, dedendum, circular pitch, tooth thickness, and base circle diameters.