A. Stainless steel
B. Graphite
C. Copper
D. Steel
Related Mcqs:
- The material used for coating the welding electrode is termed as the___________________?
A. Flux
B. Slag
C. Protective layer
D. Binder - 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’ - ______________________ is used as a material of construction for the blade of power saw ?
A. Wrought iron
B. Stainless steel
C. Mild steel
D. High speed steel - Which of the following is the most suitable material of construction for the condenser tubes, where the cooling medium is brine (salty water) ?
A. Aluminium
B. Copper
C. Titanium
D. Stainless steel - 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 main type of sludge gas evolved during sewage treatment in Imhoff tank is___________________?
A. CO2
B. CH4
C. CO
D. H2 - Entropy change for an irreversible process taking system and surrounding together is___________________?
A. 0
B. > 0
C. < 0
D. None of these - During a reversible isothermal expansion of an ideal gas, the entropy change is___________________?
A. +ve
B. 0
C. -ve
D. ∞ - For a constant pressure reversible process, the enthalpy change (ΔH) of the system is___________________?
A. Cv.dT
B. Cp.dT
C. ∫ Cp.dT
D. ∫ Cv.dT
