1. Which of th e followin g stateme nts is tru e concern ing a pol y-phase syn chron ous pro pulsion motor? A. The moto r is s tarted a s an in duction mo tor . B. Resis tance i s grad ually a dded to t he roto r cir cuit. C. The sta rtin g curren t is he ld bel ow the ra ted cur rent. D. The fiel d winding is en ergi zed for sta rtin g purposes only. 2. When r eading electrical motor contro ller di agrams, it helps to know that ____ _ A. curre nt paths in the contr ol circui t are drawn as heavy lines and in the power ci rcuit as ligh ter lines B. curre nt paths in the power cir cuit are drawn as heavy li nes and in control cir cuit as light er lines C. circuits subject to 5 volts or greate r are drawn as hea vy lines and below 5 volts as lighter lines D. circuits subject to 5volts or greater are drawn as light lines and bel ow 5 volts as heavy . Alterna ting curr ent cir cuits de! elop re sistance , inductanc e and cap acitance . The ind uctance of a coil is e"pressed in A. oh!s B. !hos C. henrys D. farads #. $arge ca %le si&es ar e formed as indi!id ual condu ctors that may %e c omprised o f se!eral smaller strands to A. obtai n the fle" ibility re#uired for easy handling B. reduce the ov erall weight of t he wi re r un C. reduce t he nu!be r of suppor ts neede d for a hori zonta l overhea d run D. all of t he above '. Whic h of the foll owin g is ha!i ng (i-)lec tric *o nstant +? A. Air B. water C. $ica D. Caster oil
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