Chemical Engineering Basics - Study Mode

[#116] __________ is the process used for setting up compressive stresses in the surface of a metal to improve its fatigue strength.
Correct Answer

(B) Shot peening

[#117] Hydrogen in liquid steels is dissolved
Correct Answer

(A) As tiny gas bubbles

[#118] Laser welding is widely employed in the __________ industries.
Correct Answer

(A) Electronic

[#119] Air refrigeration cycle is used in the air crafts, because of
Correct Answer

(C) Its low unit weight per ton of refrigeration

[#120] Which of the following contributes maximum as main source of sulphur in the blast furnace charge ?
Correct Answer

(B) Coke