89. In charging system the regulator acts as
A. an automatic control
B. an electronic control
C. manual control
D. a semi automatic control
90. When the dynamo voltage is more than the battery voltage, the voltage flows to the
A. field winding
B. shunt winding
C. series winding
D. armature winding
91. The current regulator winding is connected with dynamo’s armature
A. in parallel circuit
B. in series circuit
C. in series parallel circuit
D. in open circuit
92. When the engine slows down the dynamo output
A. increase
B. remains constant
C. fluctuates
D. decreases
93. The commutator is made of
A. iron segments
B. brass segments
C. copper segments
D. aluminum segments
94. Starter motor brushes are held in position on to the commutator by
A. split pin
B. tension spring
C. cotter pin
D. circlip
95. Series winding of solenoid is generally made of
A. thin wire
B. thick wire
C. flex wire
D. p.v.c. wire
96. The starter armature rotates due to magnetic poles
A. attraction
B. repulsion
C. vibration
D. attraction and repulsion
97. To provide more contact with the commutator brushes surface is
A. flat
B. tapered
C. curved
D. pointed
