23rd
Mar
Heating and Welding MCQ

Heating and Welding MCQ

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  • 23rd Mar, 2023
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Practice here the best Heating and Welding MCQ Questions that check your basic knowledge of Heating and Welding. This Heating and Welding MCQ Test contains 20+ Multiple Choice Questions. You have to select the right answer to the question. apart from this, you can also download here the Heating and Welding MCQ PDF completely free.

Heating and Welding MCQ

1) Which of the generators are used in arc welding?

  • A. Series Generator
  • B.Shunt generators
  • C.Differential compound generators
  • D.None of the above

2) Induction heating process is fully based on -

  • A. Nucleate heating principle
  • B.Thermal ion release principle
  • C.Resistance heating principle
  • D.Electro-magnetic induction principle

3) ............. elements will have the least range of temperature.

  • A. Kanthal
  • B.Eureka
  • C.Nichrome
  • D.Silicon carbide

4) Which method is suitable for heating of conduction medium?

  • A. Radiant heating
  • B.Induction heating
  • C.Induction heating
  • D.None of the above

5) What are the advantages of High-frequency heating?

  • A. The space required is limited
  • B.Uniform heating & More economical
  • C.The operation of high- frequency heating is simple to control.
  • D.All of the above
Download Free : Heating and Welding MCQ PDF

6) The normal voltage used in directional heating is -

  • A. 1.5 KV
  • B.15 KV
  • C.15.5 KV
  • D.None of the above

7) Which of the following option has highest value of thermal conductivity?

  • A. Brass
  • B.Steel
  • C.Copper
  • D.None of the above

8) Which of the following is used for heating non-clouding materials?

  • A. Arc heating
  • B.Dielectric heating
  • C.Induction heating
  • D.Eddy current heating

9) Which of the following welding process uses consumable electrodes?

  • A. MIG
  • B.TIG
  • C.Laser
  • D.None of the above

10) ............... is generally used for arc welding.

  • A. insulator
  • B.Transformer
  • C.Electrode
  • D.All of the above

11) Electronic components are joined by -

  • A. Brazing
  • B.Welding
  • C.Soldering
  • D.None of the above

12) The current range is usually ................. for arc welding.

  • A. 50 to 100 A
  • B.100 to 350 A
  • C.30 to 40 A
  • D.None of the above

13) The electrode is made of ........... in atomic hydrogen welding?

  • A. Graphite
  • B.Tungsten
  • C.Mild steel
  • D.None of the above

14) Which of the following welding is not a resistance welding process?

  • A. Flush
  • B.Seam
  • C.Projection
  • D.Carbon arc

15) Which is the not a welding accessory?

  • A. Gloves
  • B.Cable
  • C.Hand screen
  • D.Electrode holder

16) Which of the following electrodes have the least diameter?

  • A. 4 SWG
  • B.14 SWG
  • C.16 SWG
  • D.20 SWG

17) Which of the following contains the highest value of thermal conductivity ?

  • A. Steam
  • B.Water
  • C.Solid Ice
  • D.All of the above

18) ......... has highest value in direct arc furnace ?

  • A. Voltage
  • B.Current
  • C.Power factor
  • D.None of the above

19) The temperature inside a furnace is usually measured by -

  • A. Mercury Thermometer
  • B.Optical Pyrometer
  • C.Alcohol Thermometer
  • D.None of the above

20) Radiant heating is used for ...........

  • A. Annealing of metals
  • B.Melting of ferrous metals
  • C.Drying of paints and varnishes
  • D.All of the above

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