Top 150+ Solved Manufacturing Technology 1 MCQ Questions Answer
Q. The coating material used for the electrode is termed as?
a. flux
b. slag
c. protective layer
d. deoxidiser
Q. Which of the following welding process in which two pieces to be joined are overlapped and placed between two pointed electrodes?
a. seam welding
b. resistance welding
c. projection welding
d. spot welding
Q. In which of the following type of flame, oxygen is of same proportion with acetylene?
a. neutral flame
b. oxidizing flame
c. carburizing flame
d. both oxidizing flame and carburizing flame
Q. What is the only difference between Plasma arc welding and TIG welding?
a. flux is not used
b. construction of torch is different
c. gas is not used
d. tungsten electrode is not used
Q. Which of the following inert gas is used with DC power supply only?
a. argon
b. helium
c. co2
d. nitrogen
Q. Which kind of resistance is experienced in upset butt welding?
a. electric resistance
b. magnetic resistance
c. thermal resistance
d. air resistance
Q. How are the metals to be welded connected to each other in spot welding?
a. electric contact
b. magnetic field
c. mechanical pressure
d. direct contact
Q. Up to what thickness, can steel be welded using spot welding process?
a. 10 mm
b. 11 mm
c. 12 mm
d. 13 mm
Q. In friction welding process, materials are joined by motion between materials.
a. rectilinear
b. rubbing
c. translatory
d. brownian
Q. All metallic engineering materials which are can be friction welded.
a. soft
b. weldable
c. forgeable
d. metamaterials
Q. Friction welding is process.
a. costly
b. cost saving
c. time consuming
d. highly material selective