741. When indicated power (I.P.) and frictional power (F.P.) are known, we can calculate
A. brake power
B. compression ratio
C. specific air consumption
D. mean effective pressure

742. A battery can be charged by
A. adding distilled water
B. adding sulphuric acid
C. applying voltage in the reverse direction to that of charging
D. applying a voltage in the same direction to that of charging

743. When the front wheels of a vehicle are locked during braking, then
A. stopping distance becomes extremely long
B. front tyres skid across the road surface, and the vehicle spins around
C. rear tyres skid across the road surface, and the vehicle spins around
D. driver loses control over the steering, and the vehicle continues moving in its current direction

744. The order in which effort applied to the steering wheel is transferred to the front wheel is
A. steering wheel – steering gearbox – steering shaft – tie rod – steering knuckle – front wheels
B. steering wheel – steering shaft – steering gearbox – tie rod – steering kunckle -front wheels
C. steering wheel – steering shaft – steering gearbox – steering knuckle – tie rod – front wheels
D. steering wheel – tie rod – steering gearbox – steering shaft – steering knuckle – front wheels

745. The best fuels for compression ignition engines are
A. straight chain paraffins
B. aromatics
C. branched chain paraffins
D. napthalenes

746. An oil filter bypass valve opens when the
A. engine is cold
B. engine overheats
C. oil filter becomes clogged
D. engine runs at high speed

747. Damper is also known as
A. shock absorber
B. torsion bar
C. spring
D. radius rod

748. The main characteristics of a maintenance-free (MF) battery is that
A. a maintenance-free battery requires little maintenance during normal use and it is sufficient to add water instead of an electrolyte containing sulphuric acid
B. a maintenance-free battery has a relatively short shelf life when compared with standard batteries
C. since it is sealed, the water in a maintenance-free battery is not lost through evaporation thus accordingly it is not necessary to top up the cells with water
D. recharging of a maintenance-free battery is neither required nor possible

749. The most accurate ignition system of a spark ignition engine is
A. magneto system
B. battery system
C. electronic control unit system
D. magneto and electronic system

750. The main function of a resonator is that it
A. regulates the intake air flow rate
B. reduces the intake air noise .
C. enhances intake efficiency
D. regulates the intake air temperature

NOTE
IF YOU THINK ANY OF THE MCQ ABOVE IS WRONG.
PLEASE COMMENT WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION IN COMMENT BOX.
THANK YOU

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