Top 150+ Solved Fabrication Technology MCQ Questions Answer

From 16 to 30 of 154

Q. What is the capacity of an automatic welding machine?

a. 100 to200A

b. 300 to 400A

c. 500 to700A

d. 800 to 3000A

  • d. 800 to 3000A

Q. What is the capacity of a light manual welding machine?

a. 100 to200A

b. 300 to 400A

c. 500 to700A

d. 60 amp to 500 amp

  • c. 500 to700A

Q. What is the efficiency of an A.C. welding transformer?

a. 0.6

b. 0.7

c. 0.8

d. 0.9

  • c. 0.8

Q. What is the amount of electric energy required per kg in dc welding operation?

a. 1-4 kWh

b. 3-7 kWh

c. 4-9 kWh

d. 6-10 kWh

  • d. 6-10 kWh

Q. During fabrication joining of two or more components are ___

a. Temporarily

b. Permanently

c. Temporarily or permanently both

d. None of the above

  • c. Temporarily or permanently both

Q. During fabrication which processes are included

a. Welding

b. Brazing

c. Soldering

d. All of the above

  • d. All of the above

Q. The Weldability of the metals in descending order

a. Iron, Steel, Cast iron, Low Alloy steel

b. Steel, Cast iron, Iron, Low Alloy steel

c. Iron, Cast iron, steel, low Alloy steel

d. Steel, Iron, Cast iron, Low Alloy steel

  • a. Iron, Steel, Cast iron, Low Alloy steel

Q. The Weldability of the metals in Ascending order

a. Low Alloy Steel, Stainless Steel, Cast Iron, Steel

b. Low Alloy Steel, Cast Iron, Steel, Stainless Steel

c. Stainless Steel, Low Alloy Steel, Cast Iron, Steel

d. Stainless Steel, Low Alloy Steel, Steel, Cast Iron

  • c. Stainless Steel, Low Alloy Steel, Cast Iron, Steel

Q. During the welding power require to produce arc to join the metals are

a. Low voltage low ampere

b. Low voltage high ampere

c. High voltage low ampere

d. High voltage high ampere

  • b. Low voltage high ampere

Q. Out of them which of the power source used in welding

a. Bilopar welding generator,

b. Multi operator D.C. welding sets

c. Both of them

d. None of them

  • c. Both of them

Q. Static type power sources include

a. Transformer, Motor-driven generator

b. Rectifier, Engine-driven Generator

c. Transformer, Rectifier

d. Motor-driven generator, Engine-driven generator

  • c. Transformer, Rectifier

Q. Rotating type power sources includes

a. Transformer, Motor-driven generator

b. Rectifier, Engine-driven Generator

c. Transformer, Rectifier

d. Motor-driven generator, Engine-driven generator

  • d. Motor-driven generator, Engine-driven generator

Q. Which type of plates cannot be welded in single pass

a. Thick plates

b. Thin Plates

c. all

d. none

  • a. Thick plates

Q. In power-sources Transformer can change polarity or not?

a. Yes

b. No

c. all

d. none

  • b. No
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