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 |