Home
MCQ QUIZ APP DOWNLOAD

What is the correct answer?

4

Brass parts with high residual tensile stress at the surface are susceptible to season cracking (i.e. spontaneous cracking occuring on exposure to atmospheric corrosion), if its zinc percentage is more than

A. 5

B. 10

C. 20

D. 35

Correct Answer :

C. 20


Related Questions

What is the value of entropy at 273°K? The ratio of mass of a neutron to that of an electron is about 1839. What… Liquid nitrogen containers can be made from Pick out the wrong statement. Gantt charts are used for streamlining the Which of the following is the correct nature of shear stress distribution… Batch process is preferred over continuous process, when the Cascade control is An abrupt and sudden fall in the reading of barometer is an indication… Catalyst used in the 'catalytic converter' employed in automobile exhaust… Hollow shafts can be made as strong as solid shafts by making the twisting… Midrex process of sponge iron production uses reformed natural gas as… The product (s) of roasting of a sulphide ore is (are) The activity co-efficient of the solute in a dilute solution The leaching solvent used in Baeyer's process for the purification of… Dryness fraction of dry steam is Aluminium is extracted from Which of the following heat treatment processes is usually applied to… __________ is not used as the control rod material in a nuclear reactor. Pick out the correct statement Galvanic corrosion cannot be prevented by The mechanism involved in the removal of metal in drilling operation is… With increase in temperature, the electrical conductivity of a __________… Air-petrol ratio in an automotive petrol engine is around Main constituent of bone ash is The heat of neutralisation remains constant, when there is a reaction… __________ test determines the yield strength, Young's modulus of elasticity,… The joint for soldering is supported by binding wire made of Rain drops falling through atmospheric air attain limited terminal velocity,… Cemented carbide tools are not suitable for cutting