A. Wrought iron
B. Stainless steel
C. Mild steel
D. High speed steel
Related Mcqs:
- 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 - Material of construction of the electrode used in the electric resistance welding is___________________?
A. Stainless steel
B. Graphite
C. Copper
D. Steel - 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 escape velocity of a body on earth which is independent of its mass is about ______________________ km/second?
A. 3
B. 7
C. 11
D. 15 - Normalising does not ______________________ of a metal ?
A. Improve machinability & tensile strength
B. Remove internal stresses
C. Refine the structure
D. Remove strains caused by cold working - A reasonably general expression for vapour-liquid phase equilibrium at low to moderate pressure is φi yi P = Yi xifi° where, Φ is a vapor fugacity component, Yi is the liquid activity coefficient and fi° is the fugacity of the pure component i. the Ki value (Yi = Ki xi) is therefore, in general a function of ______________________?
A. Temperature only
B. Temperature and pressure only
C. Temperature, pressure and liquid composition xi only
D. Temperature, pressure, liquid composition xi and vapour composition yi - The expression for entropy change given by, ΔS = nR ln (V2/V1) + nCv ln (T2/T1) is valid for ______________________?
A. Reversible isothermal volume change
B. Heating of a substance
C. Cooling of a substance
D. Simultaneous heating and expansion of an ideal gas - Co-efficient of Performance (COP) of a refrigerator is the ratio of the ______________________?
A. Work required to refrigeration obtained
B. Refrigeration obtained to the work required
C. Lower to higher temperature
D. Higher to lower temperature - Out of the following, the best material capable of withstanding shock & vibration without the danger of cracking is ___________________?
A. Malleable iron
B. Grey cast iron
C. Chilled cast iron
D. White cast iron - Which of the following is not a ferromagnetic material ?
A. Nickel
B. Cobalt
C. Aluminium
D. Iron
