What is the primary purpose of safety rules in electrical work?
A
To prevent accidents and hazards
B
To increase work speed
C
To reduce material costs
D
To simplify wiring designs
Question 2Single Answer
Which safety sign indicates a high voltage area?
A
Green circle
B
Red octagon
C
Yellow triangle with lightning bolt
D
Blue square
Question 3Single Answer
What is the most common electrical hazard that can cause electrocution?
A
Overheating wires
B
Loose connections
C
Dust accumulation
D
Contact with live wires
Question 4Single Answer
How can electrical shocks be prevented during wiring?
A
Using bare hands
B
Ignoring grounding
C
Working in wet areas
D
Wearing insulated gloves
Question 5Single Answer
What should be the first step in a rescue operation for an electrocuted person?
A
Turn off the power source
B
Apply water to cool them
C
Shake them vigorously
D
Cover with a blanket
Question 6Single Answer
Which personal protective equipment (PPE) protects against electrical shock?
A
Cotton shirt
B
Rubber insulated gloves
C
Leather belt
D
Metal watch
Question 7Single Answer
What is the correct way to handle insulated tools?
A
Inspect for damage before use
B
Store them in wet areas
C
Use them without gloves
D
Drop them on the floor
Question 8Single Answer
How should electrical materials like wires be maintained?
A
Stored in dry, organized places
B
Exposed to sunlight
C
Mixed with water
D
Bent repeatedly
Question 9Single Answer
What are the main types of fires relevant to electricians?
A
Only Class A
B
Only Class K
C
Class A, B, C, D
D
Class E only
Question 10Single Answer
Which fire extinguisher is suitable for electrical fires (Class C)?
A
Water-based
B
Wet chemical
C
Foam
D
CO2 extinguisher
Question 11Single Answer
What does a mandatory safety sign look like?
A
Yellow triangle
B
Red circle with slash
C
Blue circle
D
Green rectangle
Question 12Single Answer
Which hazard can lead to burns in electrical work?
A
Low humidity
B
Arc flash
C
Bright lighting
D
Dry air
Question 13Single Answer
What is the prevention method for overload hazards?
A
Use extension cords excessively
B
Ignore fuse ratings
C
Install circuit breakers
D
Connect more devices
Question 14Single Answer
In first aid for electrical burns, what should you do first?
A
Cool with running water
B
Apply ice directly
C
Rub with cloth
D
Use ointment immediately
Question 15Single Answer
Which PPE is essential for eye protection in electrical work?
A
Safety goggles
B
Regular glasses
C
Sunglasses
D
No protection needed
Question 16Single Answer
What is the care routine for electrical pliers?
A
Clean and dry after use
B
Lubricate with oil daily
C
Store in damp areas
D
Use without inspection
Question 17Single Answer
How should hazardous materials like solvents be handled?
A
Store near heat sources
B
Open containers in ventilated areas
C
Mix without labels
D
Ignore spills
Question 18Single Answer
What type of fire involves flammable liquids like oil?
A
Class A
B
Class B
C
Class C
D
Class D
Question 19Single Answer
Which extinguisher works by smothering fires?
A
Water
B
Both b and c
C
CO2
D
Dry powder
Question 20Single Answer
What indicates a prohibition safety sign?
A
Yellow exclamation
B
Red circle with line through
C
Green check
D
Blue information
Question 21Single Answer
What causes explosion hazards in electrical systems?
A
Short circuits
B
Proper grounding
C
Insulated wires
D
Low voltage
Question 22Single Answer
How to prevent falls near electrical hazards?
A
Ignore ladders
B
Work on wet floors
C
Use non-slip footwear
D
Carry heavy loads
Question 23Single Answer
What is the first aid response for unconscious electrocution victim?
A
Apply heat
B
Give food
C
Leave alone
D
Check breathing and start CPR if needed
Question 24Single Answer
Which PPE covers the head from falling objects?
A
Boots
B
Gloves
C
Hard hat
D
Apron
Question 25Single Answer
What maintenance is required for screwdrivers?
A
Sharpen tips regularly
B
Store loosely
C
Use as pry bars
D
Check insulation integrity
Question 26Single Answer
How to safely handle copper wires?
A
Avoid kinks and store coiled
B
Expose to moisture
C
Overload spools
D
Cut without tools
Question 27Single Answer
What is a Class D fire?
A
Metals
B
Electrical
C
Liquids
D
Solids
Question 28Single Answer
How does a foam extinguisher work?
A
Cools and smothers
B
Displaces oxygen
C
Chemical interruption
D
Water spray
Question 29Single Answer
What safety rule applies to working near live circuits?
A
Use one hand only
B
Use metal ladders
C
Ignore voltage
D
Never work alone
Question 30Single Answer
Which hazard is prevented by grounding?
A
Dust
B
Overvoltage
C
Shock from fault currents
D
Noise
Question 31Single Answer
What is the role of GFCI in prevention?
A
Heats wires
B
Increases voltage
C
Trips on ground faults
D
Stores energy
Question 32Single Answer
In rescue, how to remove victim from live wire?
A
Use wet cloth
B
Pull with hands
C
Use non-conductive object
D
Kick away
Question 33Single Answer
Which PPE is for arc flash protection?
A
Synthetic jacket
B
Cotton shirt
C
Wool pants
D
Flame-resistant clothing
Question 34Single Answer
What is the storage tip for wire strippers?
A
With sharp edges exposed
B
On floor
C
In toolbox away from moisture
D
Near magnets
Question 35Single Answer
How to handle insulation materials safely?
A
Inhale freely
B
Avoid inhalation of dust
C
Burn scraps
D
Mix with water
Question 36Single Answer
What extinguisher for Class A fires?
A
Halon
B
CO2
C
Dry powder only
D
Water or foam
Question 37Single Answer
What is the working principle of dry powder extinguisher?
A
Interrupts chemical reaction
B
Cools surface
C
Freezes fire
D
Explodes
Question 38Single Answer
What sign warns of danger?
A
Blue info
B
Green arrow
C
Red triangle
D
Yellow caution
Question 39Single Answer
Prevention for thermal hazards?
A
Overload circuits
B
Use fuses and breakers
C
Poor ventilation
D
High resistance
Question 40Single Answer
First aid for minor shock?
A
Ignore it
B
Seek medical attention if symptoms persist
C
Run around
D
Drink alcohol
Question 41Single Answer
Which PPE for feet in electrical areas?
A
Metal cleats
B
Leather sandals
C
Rubber-soled boots
D
Bare feet
Question 42Single Answer
Maintenance for multimeters?
A
Expose to heat
B
Calibrate periodically
C
Drop test
D
Use damaged probes
Question 43Single Answer
Safe handling of conduits?
A
Throw around
B
Handle bare-handed
C
Wear gloves to avoid cuts
D
Store upright
Question 44Single Answer
What is Class K fire?
A
Electrical
B
Cooking oils
C
Wood
D
Metals
Question 45Single Answer
How to use CO2 extinguisher?
A
Throw it
B
PASS method
C
Shake vigorously
D
Pierce nozzle
Question 46Single Answer
What rule for ladder use near power lines?
A
Climb in rain
B
Touch lines
C
Use metal ladders
D
Maintain 10 ft clearance
Question 47Single Answer
What prevents static electricity hazards?
A
Wool clothing
B
Plastic tools
C
Dry environment
D
Grounding straps
Question 48Single Answer
Rescue operation: Do not touch victim if?
A
Warm
B
Breathing normally
C
Conscious
D
Still connected to current
Question 49Single Answer
PPE for face protection?
A
Mask only
B
Face shield
C
Hat
D
Earrings
Question 50Single Answer
Care for hacksaws?
A
Use on wood only
B
Dull blades preferred
C
Store bent
D
Clean teeth after use
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Subject Paper (Electrician/Wireman)
Question 51Single Answer
Handling PVC cables?
A
Soak in water
B
Expose to sun
C
Avoid sharp bends
D
Crush ends
Question 52Single Answer
Which extinguisher leaves no residue?
A
Water
B
CO2
C
Foam
D
Powder
Question 53Single Answer
Working of water extinguisher?
A
Interrupts reaction
B
Smothers
C
Cools the fire
D
Freezes
Question 54Single Answer
Safety sign for no entry?
A
Red with closed door
B
Green open
C
Yellow warning
D
Blue mandatory
Question 55Single Answer
Hazard from frayed cords?
A
Shock or fire
B
No issue
C
Better conductivity
D
Less weight
Question 56Single Answer
First aid kit must include?
A
Bandages and antiseptics
B
Only tools
C
Food items
D
Wires
Question 57Single Answer
PPE inspection frequency?
A
Never
B
Yearly
C
Before each use
D
After accidents
Question 58Single Answer
Maintenance for drills?
A
Ignore bits
B
Run dry
C
Store loaded
D
Lubricate moving parts
Question 59Single Answer
Safe storage of fuses?
A
Near water
B
Loose in pocket
C
In original packaging
D
With nails
Question 60Single Answer
Class B fire extinguisher type?
A
Water
B
Foam or CO2
C
Dry for metals
D
Wet chemical
Question 61Single Answer
What is PASS in extinguisher use?
A
Pour, Agitate, Scatter, Settle
B
Push, Avoid, Spray, Stop
C
Pull, Aim, Squeeze, Sweep
D
Point, Activate, Spray, Swing
Question 62Single Answer
Rule for working in confined spaces?
A
Ensure ventilation
B
Work alone
C
Ignore gases
D
Use open flames
Question 63Single Answer
Prevention of arc flash?
A
Work energized
B
De-energize before work
C
Remove covers
D
Use fuses only
Question 64Single Answer
In first aid, for cardiac arrest from shock?
A
Give water
B
Massage chest
C
Perform CPR
D
Elevate legs only
Question 65Single Answer
Arc-rated PPE class?
A
Low voltage only
B
For high hazard
C
No need
D
Decorative
Question 66Single Answer
Tool handling: Never use?
A
New tools
B
Damaged tools
C
Insulated ones
D
Clean tools
Question 67Single Answer
Materials like solder: Handle how?
A
Inhale fumes
B
With ventilation to avoid fumes
C
Eat while handling
D
Store open
Question 68Single Answer
Halon extinguisher use?
A
For sensitive electronics
B
Banned in many places
C
For wood only
D
Water alternative
Question 69Single Answer
Wet chemical extinguisher for?
A
Metals
B
Electrical
C
Kitchen fires
D
Paper
Question 70Single Answer
Caution sign color?
A
Red
B
Yellow
C
Green
D
Black
Question 71Single Answer
Hazard from improper earthing?
A
Noise reduction
B
Cooling
C
Speed increase
D
Electrocution
Question 72Single Answer
Lockout/tagout purpose?
A
Prevent accidental energization
B
Lock tools
C
Tag materials
D
Out of service
Question 73Single Answer
Rescue: Call emergency when?
A
Tired
B
Minor cut
C
Victim not breathing
D
Hungry
Question 74Single Answer
Insulating mats PPE for?
A
Standing near live parts
B
Sitting
C
Running
D
Sleeping
Question 75Single Answer
Care for crimping tools?
A
Rust allowed
B
Force fit
C
Keep jaws aligned
D
Heat treat
Question 76Single Answer
Handling batteries safely?
A
Throw in fire
B
Connect bare wires
C
Avoid shorting terminals
D
Pierce casing
Question 77Single Answer
Powder extinguisher drawback?
A
Cleans easily
B
Leaves residue
C
Non-conductive always
D
Cools deeply
Question 78Single Answer
Fire triangle elements?
A
Tools, gloves, sign
B
Water, air, light
C
Metal, wire, spark
D
Fuel, oxygen, heat
Question 79Single Answer
Safety rule: Never?
A
Rest
B
Use tools
C
Read manuals
D
Work on live circuits without PPE
Question 80Single Answer
Mechanical hazard prevention?
A
Loose clothing
B
Expose belts
C
Guard moving parts
D
No guards
Question 81Single Answer
First aid for eye injury from spark?
A
Flush with water
B
Rub eyes
C
Apply pressure
D
Ignore
Question 82Single Answer
Hearing protection PPE?
A
Earplugs in noisy areas
B
Headphones only
C
No need
D
Loud music
Question 83Single Answer
Maintenance for voltage testers?
A
Test on known source
B
Store charged
C
Expose to magnets
D
Battery reverse
Question 84Single Answer
Safe handling of transformers?
A
Lift with care, check weight
B
Drop test
C
Open while energized
D
Wet storage
Question 85Single Answer
Electrical fire cause?
A
Cold wires
B
Underloading
C
Empty circuits
D
Overloaded outlets
Question 86Single Answer
Extinguisher maintenance?
A
Use daily
B
Never check
C
Annual inspection
D
Paint over
Question 87Single Answer
Information sign shape?
A
Octagon
B
Triangle
C
Circle
D
Square or rectangle
Question 88Single Answer
Prevention: Use GFCI where?
A
Near water sources
B
Dry areas only
C
High voltage only
D
No outlets
Question 89Single Answer
Rescue team training?
A
First aid and CPR
B
Only lifting
C
Driving
D
Cooking
Question 90Single Answer
Balaclava PPE for?
A
Hair style
B
Face arc protection
C
Cooling
D
Decoration
Question 91Single Answer
Tool: Hammer care?
A
Check handle security
B
Swing wildly
C
Chip head
D
Use as screwdriver
Question 92Single Answer
Handling capacitors?
A
Charge fully
B
Discharge before storage
C
Short with metal
D
Heat up
Question 93Single Answer
Dry chemical extinguisher for?
A
Water substitute
B
Multi-class fires
C
Metals only
D
Gases
Question 94Single Answer
Fire stages?
A
Cooling only
B
Only one stage
C
Incipient, growth, fully developed
D
Explosion only
Question 95Single Answer
Rule: Distance from overhead lines?
A
10 feet minimum
B
Touch okay
C
1 foot
D
Ignore
Question 96Single Answer
ESD prevention?
A
Dry hands
B
Rub feet on carpet
C
Plastic bags
D
Use wrist straps
Question 97Single Answer
First aid: Do not for burns?
A
Pop blisters
B
Cover loosely
C
Cool area
D
Seek help
Question 98Single Answer
Rubber sleeves PPE?
A
Foot wear
B
Leg guards
C
Head cover
D
Arm protection
Question 99Single Answer
Maintenance: Clean tools with?
A
Dry cloth
B
Water only
C
Solvents if needed
D
Both a and c
Question 100Single Answer
Safe handling of switches?
A
Test before installation
B
Install energized
C
Drop from height
D
Wet install
Question 101Single Answer
What extinguisher for Class D?
A
Water
B
Dry powder special
C
CO2
D
Foam
Question 102Single Answer
Emergency response time goal?
A
1 hour
B
4 minutes for first aid
C
Never
D
1 day
Question 103Single Answer
Warning sign for?
A
Prohibition
B
Mandatory action
C
Potential hazard
D
Info
Question 104Single Answer
Overcurrent prevention?
A
Thin wires
B
Proper wire sizing
C
No breakers
D
Short runs
Question 105Single Answer
Shock symptoms first aid?
A
Monitor for dizziness
B
Run
C
Eat
D
Sleep
Question 106Single Answer
Full body harness for?
A
Shock
B
Fall protection
C
Heat
D
Dust
Question 107Single Answer
File tool care?
A
Store protected from rust
B
Expose to air
C
Dull on purpose
D
Use wet
Question 108Single Answer
Handling relays?
A
Bend pins
B
Magnetize
C
Heat
D
Avoid static discharge
Question 109Single Answer
Fire drill purpose?
A
Delay work
B
Entertainment
C
Practice evacuation
D
Ignore alarms
Question 110Single Answer
Extinguisher location?
A
Near exits, accessible
B
Hidden
C
Locked away
D
High up
Question 111Single Answer
BIS standard importance?
A
Increases speed
B
Reduces cost
C
Ensures quality and safety
D
No role
Question 112Single Answer
Voltage rating for gloves?
A
Class 0 to 4 based on voltage
B
All same
C
No rating
D
Color only
Question 113Single Answer
Pliers misuse hazard?
A
Broken jaws
B
Both
C
Shock if not insulated
D
None
Question 114Single Answer
Safe transport of materials?
A
No straps
B
Loose in vehicle
C
Overhang
D
Secure loads
Question 115Single Answer
Electrical fire sign?
A
Cold smell
B
Sparks or smoke
C
Silence
D
Brightness
Question 116Single Answer
First response in emergency?
A
Wait
B
Rush in
C
Call later
D
Assess scene safety
Question 117Single Answer
Respirator PPE when?
A
Clean air
B
Fumes present
C
Always
D
Never
Question 118Single Answer
Wrench care?
A
Avoid slipping jaws
B
Over-tighten
C
Rust okay
D
Use as hammer
Question 119Single Answer
Handling insulators?
A
Wet them
B
Keep clean and dry
C
Crack test
D
Heat
Question 120Single Answer
Multi-purpose extinguisher?
A
Water only
B
ABC dry powder
C
CO2 only
D
Class D only
Question 121Single Answer
In parallel, total current is?
A
Sum of branch currents
B
Same as one branch
C
Minimum
D
Zero
Question 122Single Answer
What is the advantage of parallel circuits?
A
Series flow
B
High resistance
C
Low current
D
Independent operation
Question 123Single Answer
In mixed circuits, how to solve?
A
Simplify step by step
B
Ignore parallels
C
Add all
D
Multiply
Question 124Single Answer
What is the nature of AC?
A
Constant
B
Varies sinusoidally
C
Pulsating
D
Zero
Question 125Single Answer
What is the fundamental particle responsible for electricity?
A
Proton
B
Electron
C
Neutron
D
Photon
Question 126Single Answer
What is the unit of electrical potential difference?
A
Ampere
B
Volt
C
Ohm
D
Watt
Question 127Single Answer
What does EMF stand for in electricity?
A
Electric Magnetic Field
B
Electromotive Force
C
Energy Management Factor
D
Electric Motor Force
Question 128Single Answer
What is the definition of electric current?
A
Flow of protons
B
Flow of photons
C
Flow of neutrons
D
Flow of electrons
Question 129Single Answer
What is resistance in electrical terms?
A
Generation of voltage
B
Aid to current flow
C
Storage of charge
D
Opposition to current flow
Question 130Single Answer
What is the unit of electrical power?
A
Joule
B
Farad
C
Coulomb
D
Watt
Question 131Single Answer
What is conductance?
A
Reciprocal of current
B
Reciprocal of voltage
C
Reciprocal of resistance
D
Reciprocal of power
Question 132Single Answer
What is the SI unit of charge?
A
Ampere
B
Volt
C
Ohm
D
Coulomb
Question 133Single Answer
What does AC stand for?
A
Amperage Control
B
Direct Current
C
Alternating Current
D
Voltage Control
Question 134Single Answer
What is the frequency of AC in India?
A
120 Hz
B
60 Hz
C
100 Hz
D
50 Hz
Question 135Single Answer
What is the heating effect of electricity?
A
Produces heat in resistors
B
Produces light
C
Produces magnetic field
D
Produces chemical change
Question 136Single Answer
What is the magnetic effect of electricity?
A
Current produces magnetic field
B
Attracts metals
C
Causes electrolysis
D
Emits light
Question 137Single Answer
What is the chemical effect of electricity?
A
Heating wires
B
Electroplating
C
Lighting bulbs
D
Moving motors
Question 138Single Answer
What effect is used in electric bulbs?
A
Heating
B
Magnetic
C
Chemical
D
Luminous
Question 139Single Answer
What is the luminous effect of electricity?
A
Produces light
B
Produces heat
C
Produces magnetism
D
Produces sound
Question 140Single Answer
What effect is utilized in electromagnets?
A
Magnetic
B
Chemical
C
Heating
D
Luminous
Question 141Single Answer
What is the physiological effect of electricity?
A
Lighting eyes
B
Heating skin
C
Magnetizing body
D
Shock to body
Question 142Single Answer
What effect is used in batteries?
A
Magnetic
B
Chemical
C
Heating
D
Luminous
Question 143Single Answer
What is the mechanical effect of electricity?
A
Chemical reaction
B
Motion in motors
C
Heat generation
D
Light emission
Question 144Single Answer
What effect causes electrolysis?
A
Magnetic
B
Heating
C
Chemical
D
Luminous
Question 145Single Answer
What does Ohm's law state?
A
V = I * R
B
I = V * R
C
R = V * I
D
P = V / I
Question 146Single Answer
What is Kirchhoff's Current Law (KCL)?
A
Power is constant
B
Sum of voltages = 0 in loop
C
Resistance adds in series
D
Sum of currents entering = sum leaving
Question 147Single Answer
What is Kirchhoff's Voltage Law (KVL)?
A
Currents divide in parallel
B
Sum of voltages around loop = 0
C
Resistance reciprocal
D
Power factor
Question 148Single Answer
What is the law of resistance regarding length?
A
R proportional to area
B
R inversely to length
C
R proportional to length
D
R independent of length
Question 149Single Answer
What is the law of resistance for cross-section area?
A
R proportional to length
B
R proportional to area
C
R inversely proportional to area
D
R independent of area
Question 150Single Answer
What affects resistance according to laws?
A
Material's resistivity
B
Voltage
C
Current
D
Power
Question 151Single Answer
What is the unit of resistivity?
A
Ohm-meter
B
Ohm
C
Volt
D
Ampere
Question 152Single Answer
How does temperature affect resistance in conductors?
A
No effect
B
Decreases with temperature
C
Increases with temperature
D
Varies randomly
Question 153Single Answer
What is the temperature coefficient of resistance?
A
Voltage drop
B
Total resistance
C
Change in resistance per degree
D
Current flow
Question 154Single Answer
In alloys like constantan, what is the temperature effect on resistance?
A
High decrease
B
High increase
C
Negligible
D
Inversely proportional
Question 155Single Answer
In series circuits, how is total resistance calculated?
A
Sum of individual resistances
B
Reciprocal sum
C
Product
D
Average
Question 156Single Answer
In parallel circuits, total resistance is?
A
Greater than largest
B
Sum of all
C
Less than smallest
D
Average
Question 157Single Answer
In series, current is?
A
Varies
B
Divides
C
Multiplies
D
Same throughout
Question 158Single Answer
In parallel, voltage is?
A
Same across branches
B
Adds up
C
Divides
D
Zero
Question 159Single Answer
For two resistors in parallel, total R = ?
A
R1 + R2
B
(R1*R2)/(R1+R2)
C
R1 - R2
D
R1 / R2
Question 160Single Answer
In series, voltage drop is proportional to?
A
Resistance
B
Current
C
Power
D
Frequency
Question 161Single Answer
What is power in series circuit?
A
Average power
B
Sum of individual powers
C
Product
D
Minimum power
Question 162Single Answer
What is the advantage of parallel circuits?
A
High resistance
B
Independent operation
C
Low current
D
Series flow
Question 163Single Answer
In RC circuit, phase angle is?
A
Current leads voltage
B
Voltage leads current
C
In phase
D
180 degrees
Question 164Single Answer
In pure inductive circuit, current lags voltage by?
