ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
An inductor opposes the change in:
A)
Voltage
B)
Current
C)
Resistance
D)
Power
Option B is correct: Current.
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
Electromagnetic induction occurs due to:
A)
Constant magnetic field
B)
Voltage
C)
Changing magnetic field
D)
Resistance
Option C is correct: Changing magnetic field.
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
In an isolated system, which is conserved?
A)
Force
B)
Velocity
C)
Energy
D)
Power
Option C is correct: Energy.
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
Which temperature scale does not have negative values?
A)
Celsius
B)
Fahrenheit
C)
Kelvin
D)
Rankine
Option C is correct: Kelvin.
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
During melting of ice, temperature:
A)
Increases
B)
Decreases
C)
Remains constant
D)
Becomes zero
Option C is correct: Remains constant.
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
Assertion (A) : Current flows due to potential difference. Reason (R) : Charges move from higher to lower potential.
A)
Both true, not explanation
B)
A true, R false
C)
A false, R true
D)
Both true, and R explains A
Option D is correct: Both true, and R explains A.
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
Which of the following is NOT a simple machine?
A)
Lever
B)
Pulley
C)
Gearbox
D)
Inclined plane
Option B is correct: Pulley.
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
If effort arm is longer than load arm, the lever will:
A)
Stop motion
B)
Multiply speed
C)
Reduce force
D)
Multiply force
Option D is correct: Multiply force.
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
Which device converts electrical energy into mechanical energy?
A)
Generator
B)
Motor
C)
Transformer
D)
Battery
Option B is correct: Motor.
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
An insulating material should have:
A)
High conductivity
B)
Low resistivity
C)
High resistivity
D)
High density
Option C is correct: High resistivity.
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
A fuse works on the principle of:
A)
Magnetic effect
B)
Chemical effect
C)
Heating effect of current
D)
Optical effect
Option C is correct: Heating effect of current.
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
Heat energy is measured using:
A)
Thermometer
B)
Barometer
C)
Calorimeter
D)
Hygrometer
Option C is correct: Calorimeter.
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
In an electric motor, energy conversion is:
A)
Mechanical to electrical
B)
Heat to mechanical
C)
Chemical to electrical
D)
Electrical to mechanical
Option C is correct: Chemical to electrical.
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
Heat transfer without a material medium occurs by:
A)
Conduction
B)
Convection
C)
Reflection
D)
Radiation
Option D is correct: Radiation.
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
Which type of friction is the least?
A)
Sliding
B)
Skidding
C)
Fluid
D)
Rolling
Option B is correct: Skidding.
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
A lever works on the principle of:
A)
Pressure
B)
Moments
C)
Energy
D)
Power
Option B is correct: Moments.
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
A process with no heat exchange is called:
A)
Isothermal
B)
Adiabatic
C)
Isobaric
D)
Isochoric
Option B is correct: Adiabatic.
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
A battery converts:
A)
Mechanical to electrical
B)
Heat to electrical
C)
Light to electrical
D)
Chemical to electrical
Option D is correct: Chemical to electrical.
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
Galvanizing involves coating with:
A)
Copper
B)
Zinc
C)
Aluminium
D)
Tin
Option C is correct: Aluminium.
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
Which increases with temperature (at constant volume)?
A)
Density
B)
Pressure
C)
Mass
D)
Weight
Option B is correct: Pressure.
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
Strength of timber mainly depends on:
A)
Color
B)
Grain orientation
C)
Shape
D)
Weight
Option A is correct: Color.
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
Which machine converts rotational motion into linear motion?
A)
Pulley
B)
Screw
C)
Lever
D)
Wedge
Option B is correct: Screw.
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
Mechanical advantage (MA) is defined as:
A)
Load / Effort
B)
Effort / Load
C)
Load × Effort
D)
Effort Load
Option A is correct: Load / Effort.
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
Which of the following is a poor conductor of heat?
A)
Copper
B)
Aluminium
C)
Iron
D)
Wood
Option D is correct: Wood.
ITI Instructor • 2026 • Paper-IV (Technical Paper-II)
Which property is most important for cutting tools?
A)
Ductility
B)
Toughness
C)
Hardness
D)
Elasticity
Option D is correct: Elasticity.
