This is Automobile Engineering MCQ page-30

Question 291:- A fully-charged 6 cell automotive battery should indicate
(a) 12 V
(b) 12.6 V
(c) sp. gravity of 1.290 at 32°C
(d) Both (b) and (c)

Question 292:- With the increase of battery temperature, the specific gravity of electrolyte
(a) increases
(b) decreases
(c) stays the same
(d) none of these

Question 293:- In a d.c. generator magnetic field is produced in the
(a) armature
(b) commutator
(c) carbon brushes
(d) stator

Question 294:- The three units contained in a regulator for automobile d.c. generator are
(a) voltage regulator* current regulator and Zener diode
(b) voltage regulator, current regulator and temperature compensator
(c) voltage regulator, current regulator and cutout relay
(d) any three of the above

Question 295:- The frequency of a vibrating contact type regulator for d.c. generator is
(a) 20 per second
(b) 200 per second
(c) 20 per minute
(d) 200 per minute

Question 296:- The charging voltage at the start of the engine is ……………….than when the
engine is running on load.

(a) lower
(b) higher
(c) same
(d) any of the above

Question 297:- In an alternator the magnetic field is produced in the
(a) rotor
(b) stator
(c) frame
(d) regulator

Question 298:- An alternator frame is made of
(a) cast iron
(b) brass
(c) aluminium
(d) copper

Question 299:- The number of windings in the stator of an alternator is
(a) 1
(b) 2
(c) 3
(d) 4

Question 300:- The number of windings in the stator of an alternator is
(a) 1
(b) 2
(c) 4
(d) 6

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