67) The turning (or) twisting moment of force about an axis is called as :

68) The turning or twisting moment of a force is called :

69) The starting resistance of 3 point starter in D.C. motor is connected with :

70) In a four point starter the protective resistor is connected in series with :

71) The starting current of a 220V, 10HP shunt motor having an armature resistance of 0.2 ohms, without starter is :