12.8 In a balanced three-phase Y-Y system, the source is an acb sequence of voltages and Vcn = 120⧸ 35° V rms. The line impedance per phase is (1 + j2) Ω, while the per-phase impedance of the load is (11 + j14) Ω. Calculate the line currents and the load voltages

When at a point two solid phase changes to one solid phase on cooling then it is known as a) eutectoid point b) eutectic point c) peritectic point d) peritectoid point

Abrake has a normal braking torque of 2.8 kip in and heat-dissipating cast-iron surfaces whose mass is 40 lbm. suppose a load is brought to rest in 8.0 s from an initial angular speed of 1600 rev/min using the normal braking torque; estimate the temperature rise of the heat dissipating surfaces.

Slip occurs via two partial dislocations because of (a) the shorter path of the partial dislocation lines; (b) the lower energy state through partial dislocations; (c) the charge balance.