ITI Electronics Mechanic questions and answers PDF in Hindi for ITI 1st year theory exam paper preparation. In this post we write only 40 Question but if you want to read all 340 Question you need to download the PDF file from the given link below the post.
ITI Electronics Mechanic Questions and Answers PDF
1. How are gases and liquid gases classified?
a) Class A fire
b) Class B fire
c) Class C fire
d) Class D fire
Years. vs
2. Which type of toe pad is used to avoid crushing the feet while shifting equipment?
a) Steel toe caps
b) Plastic toe caps
c) Rubber toe caps
d) Leather toe caps
Ans. a
3. Which fire extinguisher is used to extinguish Class C type fire?
a) Form Type
b) water jet
c) dry powder
d) carbon dioxide
Answer – c
4. What is the size of the mandatory signs?
a) class
b) round
c) triangular
d) Rectangular
Answer – b
5. What material is used to make the instrument cabinet?
a) wood
b) plastic
c) hard rubber
d) metal sheet
Answer – d
6. What is the size of the warning sign board?
a) square
b) round
c) triangular
d) hexagon
Answer – c
7. In which category of fire are metals included?
a) Class A
b) Class B
c) Class C
d) Class D
Years. d
8. What is the size of the prohibition sign?
a) class
b) round
c) triangular
d) Rectangular
Answer – b
9. What steps are followed to treat a person from electric shock?
a) provide water
b) keep the victim cool
c) cover the victim with a coat
d) move the victim to a well-ventilated area
Answer – d
10. Which angle is tested by Tri Square?
a) 450
b) 600
c) 750
d) 900
Years. d
11. What is the use of screw driver?
a) holding the screw
b) tightening and loosening the screw
c) tightening or loosening bolts
d) tighten or loosen rivets
Answer – b
12. What is the maximum size of drill bit used in electrical hand drilling machine?
a) 0.35 mm
b) 1.5 mm
c) 3.5 mm
d) 6.5 mm
Years. d
13. Which tool is used to add a funnel like taper?
a) Vice
b) angle steel
c) Hatchet Steak
d) Blow Horn Steak
Answer – d
14. Which parameter of a wire is directly proportional to the current carrying capacity?
a) wire resistance
b) passing current
c) arc of the conductor
d) diameter of the conductor
Answer – d
15. What is the purpose of wood rasp file?
a) 900 corner
b) metal cutting
c) finishing flat edges
d) preliminary rough work
Answer – d
16. What is the first step to protect a person from electrical contact?
a) disconnect
b) call the doctor
d) turn off the power supply
d) pull the person from the contact of electricity
Answer – b
17. What is the cause of electrical fire?
a) divergence
b) open circuit
c) overloading
d) proper earthing
Answer – c
18. Which instrument is used to measure the size of wire?
a) Tri Square
b) Steel Rule
c) filler gauge
d) standard wire gauge
Answer – d
19. Which artificial respiration method should be avoided by a person with abdominal injury?
a) Schaefer method
b) mouth to nose method
c) Nose-to-mouth method
d) oral method
Answer – a
20. What is the reason for injury while lifting weights?
a) heavy load
b) falling objects
c) object to feel the load
d) Wrong lifting technique
Answer – d
21. How is overlapping of excess sheet metal causing bulges at seams and edges prevented?
a) mallet
b) Notch
c) L-angle
d) square steak
Answer – b
22. What is the effect of electric shock at very low voltage level (less than 40v)?
a) fibrillation
b) muscle contact
c) burning of the skin
d) unpleasant tingling sensation
Answer – d
23. The electrical conductivity of gold is
a) 56%
b) 67%
c) 94%
d) 100%
Ans. b
24. What is the unit of electric charge?
a) Volt
b) heartz
c) ampere
d) Coulomb
Answer – d
25. Which material has eight electrons in the valence shell?
a) insulator
b) conductor
c) semiconductor
d) intrinsic semiconductor
Answer – a
26. Which material is used as an electrical insulator?
a) gallium
b) Porcelain
c) aluminum
d) Germanium
Answer – b
27. Which electrical parameter opposes the flow of electrons?
a) power
b) voltage
c) current
d) Resistance
Answer – d
28. Single strand wire is called?
a) flexible wire
b) twisted wire
c) Hook up wire
d) multi strand wire
Answer – c
29. What is the purpose of the cover provided over the electrical conductor?
a) increase current flow
b) reduce the current flow
c) reduction in voltage rating
d) protection against weather
Answer – d
30. Which core is used in intermediate frequency transformer?
a) steel
b) nickel
c) Cobalt
d) ferrite
Answer – d
31. Which material conducts electricity?
a) mica
b) paper
c) glass
d) copper
Answer – d
32. How many electrons are there in a pair of electric charge?
a) 6.25 x 108 electrons
b) 6.25 x 1012 electrons
c) 6.25 x 1016 electrons
d) 6.25 x 1018 electrons
Answer – d
33. What is the movement of electrons through a conductor in a particular direction called?
a) resistance
b) inductance
c) conductance
d) electric current
Answer – d
34. Which metal has very good conductivity in electric current?
a) gold
b) copper
c) silver
d) aluminum
Answer – c
35. What is the size of standard wire gauge?
a) Square metal disk
b) Circular metal disk
c) Cylindrical glass disk
d) Rectangular plastic disk
Ans. b
36. Which formula is used to find the conductivity?
a) Q/V
b) I x R
c) V / I
d) I / V
Years. d
37. How does the insulation coating remain undamaged even when the wire is bent?
a) due to wire resistance
b) due to high current flow
c) due to the elastic property of the insulation
d) due to the strength of the wire material
Answer – c
38. What is the purpose of standard wire gauge?
a) measure current
b) measure the voltage
c) measure the diameter of the wire
d) measure the insulation of the wire
Answer – c
39. Which electrical parameter is measured by megger?
a) current
b) voltage
c) insulation resistance
d) recurring
Answer – c
40. Which energy is converted into electrical energy in hydroelectric stations?
a) heat energy
b) light energy
c) chemical energy
d) mechanical energy
Answer – d