A. Painted steel
B. Galvanised iron
C. Case hardened steel
D. Lead lined reactor
Related Mcqs:
- Which of the following is an example of stress corrosion ?
A. Season cracking of brass
B. Caustic embrittlement of steel
C. Both A. & B.
D. Neither A. nor (B) - Galvanic corrosion cannot be prevented by___________________?
A. Cathodic protection
B. Anodic protection
C. Usage of largest possible anodic area
D. Any one of these - Which of the following hardness tests does not measure the indentation hardness of metals and alloys ?
A. Vickers hardness test
B. Shore scleroscope test
C. Brinell hardness test
D. Rockwell hardness test - Which of the following liquid metals has the highest thermal conductivity ?
A. Molten sodium
B. Molten lead
C. Mercury
D. Molten potassium - One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is_________________?
A. 30554
B. 10373
C. 4988.4
D. 4364.9 - Which of the following is not the function of a volute casing provided in a centrifugal pump ?
A. To reduce the head loss in discharge
B. To increase the pump efficiency
C. To collect liquid from the periphery of the impeller and to transmit it to the delivery pipe at
constant velocity
D. To increase the pump discharge rate - Which of the following is not a ferromagnetic material ?
A. Nickel
B. Cobalt
C. Aluminium
D. Iron - Which of the following pollutants is absent in the emissions from a fertiliser plant ?
A. SO2 & SO3
B. NO2
C. NH3
D. CO - Which of the following is not an intensive property ?
A. Molar heat capacity
B. Internal energy
C. Viscosity
D. None of these - Which of the following gases will have the- highest kinetic energy per mole at the same pressure & temperature ?
A. Chlorine
B. Nitrogen
C. Ethane
D. All the gases will have the same KE
