Quiz Questions

BASIC ELECTRICAL AND ELECTRONICS (ITISKILL282572)

Q-Paper A-Paper
Question 1 1 Marks
How electrons move in a conductor?
A
Current
B
Resistance
C
Conductance
D
Voltage difference
Question 2 1 Marks
Which is the Ohm's Mathemetical
Expression?
A
I=(V/R)
B
I=(R/V)
C
V=(I/R)
D
R=(I/V)
Question 3 1 Marks
What type of resistor is used in the vehicle
flasher unit?
A
Ballast resistor
B
Film resistor
C
Printed resistor
D
Integrated resistor
Question 4 1 Marks
Which material is required to make
integrated circuit chips?
A
zinc
B
steel
C
silicon
D
copper
Question 5 1 Marks
Which electronic component is used as a
solid state switch?
A
Inductor
B
Resistor
C
Capacitor
D
Transistor
Question 6 1 Marks
Which is a temperature sensitive resistor?
A
Diode
B
Thyristor
C
Thermistor
D
Transistor
Question 7 1 Marks
Which component is used to measure the
engine coolent temperature?
A
Thermistor
B
Resistor
C
Transistor
D
Diode
Question 8 1 Marks
What is the permissable voltage drop in
the electrical circuit?
A
0.1 V
B
0.2 V
C
0.3 V
D
0.4 V
Question 9 1 Marks
How many cells are in the 12V Battery?
A
2 cells
B
6 cells
C
9 cells
D
12 cells
Question 10 1 Marks
What is the material of possitive plate in the lead acid Battery?
A
Tin
B
Lead peroxide
C
Antimony
D
Spongy lead
Question 11 1 Marks
What is the material of negative plate in the lead acid Battery?
A
Spongy lead
B
Tin
C
Antimony
D
Lead peroxide
Question 12 1 Marks
What is the colour of positive plates in the charged lead - acid - battery?
A
Grey
B
Brown
C
White
D
Black
Question 13 1 Marks
How the lead acid Battery is classified?
A
Dry cell
B
Secondary cell
C
Alkaline cell
D
Primary cell
Question 14 1 Marks
How is the Battery capacity expressed?
A
Ampere - hour rating
B
Voltage - hour rating
C
Ampere rating
D
Voltage rating
Question 15 1 Marks
Which instrument is used to measure the electrical resistance?
A
Ammeter
B
Voltmeter
C
Ohmmeter
D
Wattmeter
Question 16 1 Marks
Which instrument is prohibited to connect with live wire?
A
Ammeter
B
Voltmeter
C
Ohmmeter
D
Wattmeter
Question 17 1 Marks
Which law state that 'The current is directly proportional to the voltage and inversely proportional to the resistance'?
A
Ohm's Law
B
Hook's Law
C
Boyle's Law
D
Newton's Law
Question 18 1 Marks
What is the purpose of colour code in cables?
A
Colour refers the current rating
B
Colour refers the voltage rating
C
Easy identification of each circuit
D
Refers the size of the wire
Question 19 1 Marks
Which device have the ability to store electrical charge?
A
Capacitor
B
Resistor
C
Insulator
D
Conductor
Question 20 1 Marks
Which device used to step up the voltage in the spark ignition system?
A
Ignition coil
B
Spark plug
C
Condenser
D
High Tension Cable
Question 21 1 Marks
What is the energy conversion of battery during discharge?
A
Electrical energy into heat energy
B
Chemical energy into electrical energy
C
Electrical energy into chemical energy
D
Electrical energy into mechanical energy
Question 22 1 Marks
What is the energy conversion of battery during charging?
A
Electrical energy into chemical energy
B
Electrical energy into heat energy
C
Chemical energy into electrical energy
D
Electrical energy into mechanical energy
Question 23 1 Marks
Which shell electrons has least energy?
A
K shell electron
B
L shell electron
C
M shell electron
D
N shell electron
Question 24 1 Marks
Which is the semi conductor materials?
A
Arsenic and boron
B
Gallium and indium
C
Germanium and silicon
D
Aluminium and antimony
Question 25 1 Marks
How the semi conductor material can be identified with atomic structure?
A
Two electrons in the outer most orbit
B
Three electrons in the outer most orbit
C
Four electrons in the outer most orbit
D
Five electrons in the outer most orbit
Question 26 1 Marks
Which cable is the thickest used in the automobile wiring?
A
Horn cable
B
Head light cable
C
Starter motor cable
D
Wiper motor cable
Question 27 1 Marks
What is the specific gravity of fully charged battery?
A
1.170 - 1.200
B
1.210 - 1.230
C
1.240 - 1.250
D
1.260 - 1.280
Question 28 1 Marks
What is the specific gravity reading range of half charged battery?
A
1.260 - 1.280
B
1.230 - 1.260
C
1.200 - 1.230
D
1.170 - 1.200
Question 29 1 Marks
What type of emf is proceduced if the conductor moved and cut the magnetic fied?
A
Dynamically induced emf
B
Statistically induced emf
C
Electro-chemical induced emf
D
Electro-magnetic induced emf
Question 30 1 Marks
How the number of positive and negative plates are compared in a lead acid Battery?
A
Positive plate is equal to the negative plate
B
Negative plate is one more than positive plates
C
Negative plate is one less than positive plate
D
Positive plates is one more than negative plates
Question 31 1 Marks
What is the use of Ohmmeter in an electrical circuit?
A
Measure the resistance
B
Measure the current
C
Measure the voltage
D
Measure the power
Question 32 1 Marks
Which measuring instrument used to measure the Ampere, volt and resistance?
A
Wattmeter
B
Energy meter
C
Galvana meter
D
Multi meter
Question 33 1 Marks
What does number 25 in the cable size (25/0.012) indicate?
A
Length of the strand
B
Number of the strand
C
Diameter of the strand
D
Thickness of the cable
Question 34 1 Marks
What is the ampere hour rating if battery deliver 5 ampere and period of 20 hours?
A
80 Ampere hour
B
90 Ampere hour
C
100 Ampere hour
D
110 Ampere hour
Question 35 1 Marks
Which acid is used in the lead acid Battery?
A
Nitric acid
B
Sulphuric acid
C
Hydro bromic acid
D
Hydro chloric acid
Question 36 1 Marks
What is the advantage of free maintenance sealed battery?
A
No need for check and top up distilled water.
B
No need for recharging of battery
C
No chance for sulphation of battery terminals
D
No need for disconnect the terminals to remove battery
Question 37 1 Marks
Which instrument is used to check the continuity of the field coils of DC motor?
A
Ammeter
B
Voltmeter
C
Ohmmeter
D
Wattmeter
Question 38 1 Marks
Which type of the circuit has an infinite resistance?
A
Open circuit
B
Short circuit
C
Series closed circuit
D
Parallel closed circuit
Question 39 1 Marks
Which type of the circuit leads to hazard effect?
A
Open circuit
B
Series circuit
C
Short circuit
D
Parallel circuit
Question 40 1 Marks
What is the net resistance 'R' if 'R1' and 'R2' resistance are connected in series?
A
R = R1 + R2
B
R = R1 ? R2
C
R = R1 x R2
D
R = R1/R2
Question 41 1 Marks
What is the reason for fuse blown out in an electrical circuit?
A
Open circuit
B
Short circuit
C
Series circuit
D
Parallel circuit