ITI Question Bank

ncvt online mock test 2021

## ITI Electrician 1st year MCQ modal paper 2021

1 – Which step of the 5s-concept refers
“Standardization”?
(a) Step – 1
(b) Step – 2
(c) Step – 3
(d) Step – 4

2 – Which type of fire extinguisher is used for fire on electrical equipment?
(a) Halon type
(a) Foam type
(a) Gas cartridge type
(a) Stored pressure type

3 – Which type of cold chisel is used for squaring
materials at the corners?
(a) Web chisel
(a) Cross cut chisel
(a) Half round chisel
(a) Diamond point chisel

4 – What is the number 1.25 indicates in ISO
metric fine thread M12 x 1.25?

5 – Which type of stake is used for riveting or seaming tapered cone shaped articles?
(a) Square stake
(a) Hatchet stake
(a) Blow horn stake
(a) Bevel edged square stake

6 – What is the current carrying capacity of 32 amp. rated cable, if it is protected by the rewireable fuse?
(a) 13 Amp
(a) 16 Amp
(a) 26 Amp
(a) 39 Amp

7 – What is the possible range to measure the size of the wire in a Standard Wire Gauge (SWG)?
(a) 0-44
(a) 0-42
(a) 0-38
(a) 0-36

8 – What is the full form of XLPE Cable?
(a) Cross Line Poly Ethylene
(a) X’ess Line Phase Earthing
(a) Excess Length Paper and Ebonite

9 – Which is the semiconductor material?
(a) Eureka
(b) Ebonite
(c) Manganin
(d) Germanium

10 – What is the value of hot resistance of a bulb rated as 100W/250V?
(a) 31.25 ohm
(b) 62.50 ohm
(c) 312.50 ohm
(d) 625.00 ohm

11 – Which law states that in closed electric circuit, the applied voltage is equal to the sum of the voltage drops?
(a) Ohm’s law
(b) Laws of resistance
(c) Kirchhoff’s first law
(d) Kirchhoff’s second law

12 – Which material is having negative temperature co-efficient property?
(a) Mica
(a) Eureka
(a) Copper
(a) Manganin

13 – What is the effect of the parallel circuit with one branch opened?
(a) Current will remain same
(a) Whole circuit will not function
(a) No current will flow in that branch
(a) Voltage drop increase in the opened branch

14 – What is the unit of resistivity?
(a) ohm / cm
(a) ohm / cm2
(a) ohm – metre
(a) ohm / metre

15 – What electrical quantities are related in Ohm’s law?
(a) Current, resistance and power
(a) Current, voltage and resistivity
(a) Current, voltage and resistance
(a) Voltage, resistance and current density

16 – What is the formula for Quantity of electricity (Q)?
(a) Current x Time
(a) Voltage x Current
(a) Current x Resistance
(a) Voltage x Resistance

17 – What is the unit of conductance?
(a) Mho
(a) Ohm
(a) Ohm-m
(a) Ohm/m

18 – What is the S.I unit of specific resistance?
(a) Ohm/cm
(a) Ohm/metre2
(a) Ohm-metre
(a) Micro ohm/cm2

19 – Calculate the hot resistance of 200W / 250V rated lamp.
(a) 31.25 Ohm
(a) 62.5 Ohm
(a) 312.5 Ohm
(a) 625 Ohm

20 – What is the value of resistance in an open circuit?
(a) Zero
(a) Low
(a) High
(a) Infinity

21 – Which formula is used to calculate the power of a DC circuit?
(a) Voltage x time
(a) Current x voltage
(a) Current x resistance
(a) Voltage x resistance

22 – What is the unit of capacitance?
(a) Mho
(a) Henry
(a) Coulomb

23 – Which defines the flux density is always lagging behind the magnetising force?
(a) Hysteresis
(a) Magnetic intensity
(a) Magnetic induction
(a) Residual magnetism

24 – What is the S.I unit of Flux density?
(a) Tesla
(a) Weber
(a) Weber/metre
(a) Ampere-turns

25 – What indicates the shape of a BH curve (Hysteresis loop) of material?
(a) Reluctance of the material
(a) Field intensity of the substance
(a) Magnetic properties of the material
(a) Pulling power of the magnetic material

26 – Which electrical quantity is directly proportional to the eddy current?
(a) Voltage
(a) Current
(a) Frequency
(a) Resistance

27 – What will be the change in value of capacitance if the distance of the plates are decreased in the capacitor?
(a) Becomes zero
(a) Remains same
(a) Decreases
(a) Increases

28 – Which is a paramagnetic substance?
(a) Air
(a) Steel
(a) Glass
(a) Water