WorksheetsMAEE ONLINE TEST ON 04-8-2021
Total questions: 35
Worksheet time: 19mins
Which part is responsible for igniting the air-fuel mixture in gasoline engines?
Ignition Coil
Spark Plug
Ignition Lock Cylinder
Glow Plug
What is this component?
Engine cylinder
Carburettor
Magneto flywheel
Spark plug cap
What is this component?
Flywheel
Piston
Ignition coil
A spark plug needs _________ to create a spark.
No gap
Low voltage
High voltage
Breaker point contacts are made of a hard material called ___________.
Bamboo
Tungsten
Diamond
The function of the ________________ is to distribute the ignition surges to the individual spark plug in the correct sequence and at the correct instants in time.
Distributor
Resistor
Magneto
Which part is responsible for igniting the air-fuel mixture in gasoline engines?
Ignition Coil
Spark Plug
Ignition Lock Cylinder
Glow Plug
What's this?
Key
Fuel pump
Alternator
Ignition Switch
On what voltage, in volts, does the primary ignition circuit operate?
6
12
24
10
Which part distributes the spark to each cylinder in turn?
Spark plug
Rotor arm
Distributor cap
Ignition Coil
What is the voltage, in volts, in the secondary winding; during the dwell period?
0
12
20000
15000
Where is a ballast resistor connected?
Between the coil and the starter solenoid
Between the ignition switch run position and the distributor
Between the ignition switch run position and the starter solenoid
Between the coil and the ignition switch run position
Which of the following is NOT an advantage of a EI system?
Fewer moving parts
Cheaper to produce
No mechanical load on engine
Less maintenance required
A magnetic pickup produces a digital output signal. Is this true or false?
True
False
It serves as a step-up transformer, which raises the nominal battery voltage of 12 volts up to the many thousands of volts
IGNITION COIL
BATTERY
IGNITION SWITCH
ROTOR
It is used to close or open the primary circuit
DISTRIBUTOR
BREAKER POINT
IGNITION COIL
BATTERY
It is used to reduce the amount of arcing when the points open the primary circuit.
IGNITION COIL
BREAKER POINT
CONDENSER
ROTOR
It is a system that delivers spark on the combustion chamber?
SPARK PLUG
CHARGING SYSTEM
IGNITION SYSTEM
STARTING SYSTEM
This is an electronic ignition system?
False
True
The electro ignition system consists of transistors, capacitors, diodes, and resistors. Is this statement is "true" or "false" ?
True
False
Which activity will produce the highest current?
Move the magnet bar into the coil while the coil remains stationery
Move the coil into the magnet bar while the magnet remains stationery
Move the coil and magnet towards each other
Move the coil and magnet away from each other
The winding of wire around a core which is connected to a source of energy is called the ....... coil.
primary
secondary
tertiary
Why transformers work with A.C. current but not D.C.
A.C current produces changing magnetic field.
D.C current produces changing magnetic field.
D.C current is weak
A.C current is powerful
What is the material used for construction of transformer core?
Aluminium
Copper
Iron
Wood
This picture is an example of a ________________.
Motor
Generator
Step-up transformer
Step-down transformer
Changing current in a coil produces e.m.f in another, this phenomenon is known as
e.m.f
Self-induction
Induced e.m.f
Mutual induction
Name this component
Coil
Stator
Transformer
What are these?
Distributor Rotors
Distributor Caps
Distributor Coils
Coil Packs
BALLAST RESISTANCE an additional resistance introduced in________with primary coil ?
series
parallel
What is the purpose of condenser in distributor ?
Helps a making good HT
Prevents the CB points from melting
avoid the radio interference
All the above
16. In Battery coil ignition system, the correct sequence of flow of current is
Battery – Ammeter – Ignition coil – Distributor – Spark plug
Battery – Ignition coil – Ammeter – Distributor – Spark plug
Battery – Ammeter – Distributor – Ignition coil – Spark plug
Battery – Distributor – Ammeter – Ignition coil – Spark plug
