A half-wave rectifier has a load resistance of 3.5 KΩ. If the diode and secondary of the transformer have a total resistance of 800KΩ and the ac input voltage has 240 V (peak value), determine: (i) Peak, rms and average values of current through load (ii) DC power output (iii) AC power input (iv) Rectification efficiency

During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false

For a gate width of 2 m into the paper, determine the force required to hold the gate abc at its location.

The power source in a certain welding setup generates 3500w that is transferred to the low carbon steel work with a heat transfer factor of 0.85. the melting factor in the operation is 0.45. a continuous fillet weld is to be made with a cross-sectional area of 23 mm2 determine the travel speed at which the welding can be accomplished.