A. Flux
B. Slag
C. Protective layer
D. Binder
Related Mcqs:
- Material of construction of the electrode used in the electric resistance welding is___________________?
A. Stainless steel
B. Graphite
C. Copper
D. Steel - Filler material used in welding should have _________________ as compared to the parent metal to be welded ?
A. Lower melting temperature
B. Same melting temperature
C. Same composition
D. Both ‘B’ & ‘C’ - The materials which fracture even at small strains are termed as brittle, while those materials which exhibit an appreciable deformation before failure are termed as__________________?
A. Rigid
B. Tough
C. Ductile
D. Plastic - A polymer is termed as an ‘elastomer’, if its percentage elongation is more than 100%. An elastomer is termed as ‘rubber’ if its percentage elongation is more than _______________ percent ?
A. 150
B. 200
C. 300
D. 400 - Laser welding is widely employed in the __________________ industries ?
A. Electronic
B. Structural
C. Process
D. Heavy - In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material ?
A. Tin
B. Lead
C. Zinc
D. Glass - The resistance of water to the passage of light through it is a measure of the___________________?
A. Turbidity
B. Color
C. Hardness
D. Dissolved gases - Raoult’s law is not applicable to the___________________?
A. Solutes which dissociate or associate in the particular solution
B. Concentrated solutions
C. Both B. & C.
D. Solutions containing non-volatile solute - In osmosis through a semi-permeable membrane, diffusion of the___________________?
A. Solvent is from low concentration to high concentration region
B. Solvent is from high concentration to low concentration region
C. Solute takes place
D. None of these - Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the___________________?
A. Nature of the liquid
B. Nature of the gas
C. Temperature of the liquid
D. Total pressure
