Top 150+ Solved Fabrication Technology MCQ Questions Answer
Q. Which of the following joint have high corrosion resistance?
a. Welding joint
b. Riveted joint
c. Bolted joint
d. None of the above
Q. The metals having good weldability, in descending order are
a. cast steel, iron, carbonsteel, castiron
b. carbon steel, iron, cast steel, castiron
c. iron, carbonsteel, cast steel, castiron
d. castiron, iron, carbon steel, cast steel
Q. Which of the following is not included in weldability?
a. Ability of mechanical soundness
b. Serviceability of joint
c. Strain relieving brittleness
d. Metallurgical compatibility of metal
Q. On which of the following factor, does weldability not depend?
a. Boiling point
b. Melting point
c. Thermal expansion
d. Thermal conductivity
Q. Which ofthe following is not away of correcting the metalwhich does not have good weldability properties?
a. Procedure of welding
b. Provision of fluxing material
c. Provision of filler material
d. Procedure of adding filler materials
Q. Which of the following is an example of plastic welding?
a. Gas welding
b. Arc welding
c. Forge welding
d. Thermit welding
Q. Which of the following is an example of fusion welding?
a. Arc welding
b. Forge welding
c. Resistance welding
d. Thermit welding with pressure
Q. Which ofthe followingwelding process is usedforweldingof sheetmetals in automobile and air craft industries?
a. Shield metal arc welding
b. Gas tungsten arc welding
c. Thermit welding
d. Resistance welding
Q. In which of the following process, heat is created by blacksmith fire
a. Forge welding
b. Spot welding
c. Projection welding
d. Seam welding
Q. The voltage needed in resistance welding does not depend upon
a. Composition
b. Area
c. Thickness of weld
d. Length of weld
Q. The negative pole of the electrode burns away faster than the positive pole.
a. True
b. False
c. all
d. none
Q. Which of the following is affected by weld contour?
a. Fatigue
b. Creep
c. Highpressureproperty
d. Lowpressureproperty
Q. Which of the following materials are not suited for cold welding?
a. Brass
b. Steel
c. Silver
d. Gold