You Are On Question Answer Bank SET 15
751. Which is not an advantage of multi cylinder air cooled engines when compared to multi cylinder water cooled engines?
Answer: Maintains uniform cooling all around the cylinders
752. The part of an overhead valve mechanism arranged between the valve tappet and rocker arm is :
Answer: Push rod
754. A manual method commonly used for measuring the engine lubricating oil level is :
Answer: An oil dipstick
755. Engine lubricating oil pumps are usually positive displacement types because they are suitable for?
Answer: High pressure ratios.
756. In a positive crank case ventilation system , the blow by gases drawn from the crankcase is fed to the :
Answer: Inlet manifold
759. Which one of the following carburetors does not contain separate accelerating pump circuit?
Answer: SU Carburetor
760. In carburetors, compensating devices are used to provide?
Answer: Correct proportions of fuel air mixture at all speeds
763. The testing and adjustment of a diesel injection pump for the accuracy of its firing interval is known as :
Answer: Phasing
764. In a can type ignition coil, the secondary winding is first wound over:
Answer: A laminated iron core
765. Vacuum advance mechanism for ignition advance in a petrol engine performs effectively at :
Answer: Part throttle opening
769. The state of charge of a lead acid battery under actual operating conditions can be tested by :
Answer: A hydrometer
771. Output of alternators employed in automobile electrical system is regulated by a :
Answer: voltage regulator
774. In a d.c,. generator, the effect of the flux produced by the armature current on the main magnetic field flux is called:
Answer: Armature reaction
775. Which is not the common component between a d.c. generator and an alternator?
Answer: Commutator
776. The voltage regulator in the combined voltage and current regulator of a d.c charging circuit contains
Answer: Shunt and series winding
777. An electric motor is a prime mover which converts
Answer: Electrical energy into mechanical energy
778. D.C.series motors are widely employed for starting automobile engines because d.c. series motors have :
Answer: Low speed at high loads
780. A wet clutch is more preferred to a dry clutch:
Answer: When it is decided to achieve longer life
781. In case of a friction clutch, the pressure plate is held against the clutch plate by :
Answer: Thrust springs
782. The term clutch slip as applied to a fluid fly wheel:
Answer: Decrease with the speed of driving shaft
783. A sliding mesh gearbox has a gear ratio 4:1 at the third gear position. The clutch shaft gear has 15 teeth and its mating lay shaft gear is having 45 teeth. If the main shaft gear contains 28 teeth, the mating lay shaft gear should have:
Answer: 21 teeth
784. Which transmission unit is used to turn the driven shaft faster than the driving shaft?
Answer: Overdrive
785. The part of a torque converter that facilitates change of torque between input and output shaft is the:
Answer: Stator
786. The type of gears used for transmitting power between two-non intersecting perpendicular shafts is :
Answer: Hypoid gears
787. The components of an automobile transmission system that facilitate the drive to turn at right angle are:
Answer: Bevel pinion and crown wheel
789. Coil springs used for automobile suspension system can withstand:
Answer: Bending and shear stress
790. In a Mac Pherson strut type of independent suspension , the coil spring is arranged:
Answer: On a strut carrying the shock absorber
793. Ackerman steering mechanism is popularly employed to steer the front wheels because:
Answer: It is a simple mechanism
795. Compared to cross ply tyre, the radial ply tyre has the disadvantage of :
Answer: Uncomfortable ride at low speeds
796. Tyre rotation is a recommended method to equalize the tyre wear. In doing the tyre rotation, generally, the spare wheel will be fitted to the :
Answer: Rear right side
797. A car which runs along a straight level road at a speed of 36km/hour is brought to rest in 2 seconds by applying the brakes. The stopping distance is :
Answer: 10 meters
798. ‘ By passport ‘ in a master cylinder helps to :
Answer: Convey the excess fluid accumulated in compression chamber to the reservoir after brakes are released.
799. In an air brake system when the brake pedal is freed to deactivate the brakes, the high pressure air form the lines is released to the atmosphere through the :
Answer: Exhaust port in the break valve.
800. The component of an air brake system that actuates the break shoe can is ?
Answer: Break chamber
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