Chemical Engineering Basics - Study Mode
[#291] In sheet metal forming, stretcher strains occur in
Correct Answer
(A) Duralumin sheets
[#292] Heat treatment of steel is done to mainly change its __________ properties.
Correct Answer
(C) Mechanical
[#293] Current employed in resistance welding ranges from __________ kVA/cm 2 .
Correct Answer
(B) 4.5 to 6.2
[#294] High relative humidity decreases the evaporative process and as the temperature is increased, the relative humidity decreases. The comfort range for human body is the ambient temperature of 22 to 27°C with relative humidity ranging from __________ percent.
Correct Answer
(C) 45 to 50
[#295] Fatigue strength of a metal is improved by
Correct Answer
(D) Understressing