ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
Door shutter thickness depends on:
A)
Colour
B)
Use
C)
Cost
D)
Height
Correct answer: B — Use
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
Cabinet carcass is usually made of:
A)
Plywood
B)
Solid timber
C)
Glass
D)
Metal
Correct answer: A — Plywood
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
Planning machine is mainly used for:
A)
Cutting wood
B)
Making joints
C)
Making surface smooth
D)
Drilling holes
Option A is correct: Cutting wood.
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
Window shutters allow:
A)
Air and light
B)
Security only
C)
Decoration only
D)
Noise
Correct answer: A — Air and light
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
Log length is measured along:
A)
Diameter
B)
Axis
C)
Radius
D)
Circumference
Option B is correct: Axis.
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
Sandpaper is selected based on:
A)
Grit size
B)
Colour
C)
Brand
D)
Shape
Option B is correct: Colour.
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
Window partition is made of:
A)
Brick
B)
Steel
C)
Wood and glass
D)
Concrete
Correct answer: C — Wood and glass
ITI Instructor • 2026 • Paper-IV (Electrician - Technical Paper-II)
If resistance in armature circuit increases, speed:
A)
Increases
B)
Same
C)
Decreases
D)
Doubles
Correct answer: C — Decreases
ITI Instructor • 2026 • Paper-IV (Electrician - Technical Paper-II)
A control circuit is mainly used to:
A)
Supply power
B)
Increase voltage
C)
Control operation of electrical equipment
D)
Store energy
Option D is correct: Store energy.
ITI Instructor • 2026 • Paper-IV (Electrician - Technical Paper-II)
The main disadvantage of solar energy is:
A)
High efficiency
B)
Continuous supply
C)
Dependence on sunlight
D)
Low installation cost
Correct answer: C — Dependence on sunlight
ITI Instructor • 2026 • Paper-IV (Electrician - Technical Paper-II)
Speed of an AC motor is controlled by:
A)
Voltage only
B)
Current only
C)
Frequency of supply
D)
Resistance only
Option B is correct: Current only.
ITI Instructor • 2026 • Paper-IV (Electrician - Technical Paper-II)
A push button switch is used for:
A)
Continuous operation
B)
Momentary control
C)
Voltage increase
D)
Current storage
Option B is correct: Momentary control.
ITI Instructor • 2026 • Paper-IV (Electrician - Technical Paper-II)
Earth wire is connected to:
A)
Phase
B)
Neutral
C)
Body of appliance
D)
Switch
Option C is correct: Body of appliance.
ITI Instructor • 2026 • Paper-IV (Electrician - Technical Paper-II)
A DC generator has 4 poles, lap winding, armature current = 40 A. Current per path =
A)
5 A
B)
8 A
C)
10 A
D)
20 A
A simplex lap winding with four poles has four parallel paths, so 40/4 = 10 A per path.
ITI Instructor • 2026 • Paper-IV (Electrician - Technical Paper-II)
The main parts of a DC machine include:
A)
Rotor only
B)
Stator only
C)
Armature and field system
D)
Transformer
Correct answer: C — Armature and field system
ITI Instructor • 2026 • Paper-IV (Electrician - Technical Paper-II)
Full pitch winding means coil span is:
A)
Less than pole pitch
B)
Greater than pole pitch
C)
Equal to pole pitch
D)
Zero
Option C is correct: Equal to pole pitch.
ITI Instructor • 2026 • Paper-IV (Electrician - Technical Paper-II)
Insulators are used to:
A)
Conduct current
B)
Store energy
C)
Prevent leakage of current
D)
Increase voltage
Correct answer: C — Prevent leakage of current
ITI Instructor • 2026 • Paper-IV (Electrician - Technical Paper-II)
The direction of induced EMF is given by:
A)
Right-hand thumb rule
B)
Fleming’s right-hand rule
C)
Left-hand rule
D)
Ohm’s law
Correct answer: B — Fleming’s right-hand rule
ITI Instructor • 2026 • Paper-IV (Electrician - Technical Paper-II)
VVVF stands for:
A)
Variable Voltage Fixed Frequency
B)
Fixed Voltage Variable Frequency
C)
Variable Voltage Variable Frequency
D)
Variable Voltage Variable Force
Option A is correct: Variable Voltage Fixed Frequency.
ITI Instructor • 2026 • Paper-IV (Electrician - Technical Paper-II)
Layout drawing of a control circuit shows:
A)
Only voltage
B)
Only current
C)
Arrangement of components and wiring
D)
Power factor
Option A is correct: Only voltage.
ITI Instructor • 2026 • Paper-IV (Electrician - Technical Paper-II)
Aluminum is sometimes used instead of copper because:
A)
Higher resistance
B)
Lower conductivity
C)
Lower cost and lighter weight
D)
High density
Correct answer: C — Lower cost and lighter weight
ITI Instructor • 2026 • Paper-IV (Electrician - Technical Paper-II)
Thermal power plants generate electricity using:
A)
Water flow
B)
Wind
C)
Steam from burning fuel
D)
Solar radiation
Correct answer: C — Steam from burning fuel
ITI Instructor • 2026 • Paper-IV (Electrician - Technical Paper-II)
Which method is used for induction motor speed control?
A)
Field control
B)
Armature control
C)
V/f control (VVVF)
D)
Resistance control
Correct answer: C — V/f control (VVVF)
ITI Instructor • 2026 • Paper-IV (Electrician - Technical Paper-II)
Single-phase motors are commonly used in:
A)
Industries
B)
Transmission
C)
Domestic appliances
D)
Power plants
Correct answer: B — Transmission
ITI Instructor • 2026 • Paper-IV (Electrician - Technical Paper-II)
Winding material should have:
A)
High resistance
B)
Low conductivity
C)
High conductivity
D)
High weight
Correct answer: C — High conductivity
