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TRADESMAN---AUTOMOBILE-MECHANIC---TECHNICAL-EDUCATION Related Question Answers
27. The tendancy of front wheel drive cars withunequal length of half shaft to pull to oneside during acceleration is known as :
Torque steer Self steer Power steer None of the above
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29. In Macpherson type suspension system shock absorber is mounted on :
Lower whish bone Upper whish bone Strut .Spring
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30. Leaf springs are connected to frame through shackles for-:
reduce friction avoid breaking of spring avoid rolling of vehicle none of the above
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32. Exhaust gas recirculation system is chiefly means to reduce the emission of:
CO CO2 NOx S04
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33. Which of the following is not an effect of increased amount of exhaust gas recirculation?
engine brake powerdecreases specific fuel consumption decreases brake specific fuel consumption increases none of the above
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34. The catalyst used for the reduction of NOx in three way catalytic converter is :
Platinum Palladium Rodium All of the above
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35. The speed of distributor cam is:
same as engine speed half of engine speed one fourth of camshaft speed none of the above
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36. The dwell angle for a four cylinder engine is inthe range of:
48° to 52° 55° to 70° 36° to 42 10° to 32°
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37. The condensor in ignition system is mounted :
On ignition coil On distributor cap Outside the distributor Inside the distributor
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38. The secondary terminal of Ignition coil is connected to %:
Ameter Distributor cap Spark plug BatteryBattery
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39. Which of the following unit is used to express the capacity of condensor?
tesla webberwebber candela micro faradsmicro farads
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40. The specific gravity of electrolyte can be checked with :
hygrometer voltmeter multimeter hydrometer
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41. Open circuit voltage of a 12V lead acid battery infully charged condition is:
2 V 2.5 V 12.6 V 14V
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42. The voltage of each cell of alkaline battery is :
1.2 V 2.2 V2.2 V 6.2 V None of the above
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43. The speed of generator at which its output voltage just rises above the voltage of battery being charged is called :
Cut in speed Synchronous speed Run off speed Run out speed
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44. The purpose of brushes in alternator of automobiles is :
To collect current from rotor winding To collect current from stator winding To convey current from battery to stator To convey current from battery to rotor
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45. In an alternator current is induced in :
Rotor winding Stator winding Carbon brushes Slip rings
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46. In starter motor the field coils are. wound around:
Commutator Pole shoes Yoke None of the above
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47. The reflector used in automobile head lamp is of:
Spherical shape Hemispherical shape Hyperbolic shape Parabolic shape
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48. The purpose of filling inert gasses inside the bulbis :
to reduce filament temperature to avoid dazzling effect to avoid vapourisation of filament none of the above
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49. Metal halide type HID head lamps are popularly known as :
Mercury vapour lamp Xenon lamp Low pressure sodium lamp High pressure sodium lamp
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50. Transfer case is used in :
front wheel drive vehicles rear wheel drive vehicles four wheel drive vehicles all of the above
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