An alloy used as thermocouple material comprises of 40% nickel and 60% copper. It is called____________________?
A. Constantan
B. Kanthal
C. Chromel
D. German silver
A. Constantan
B. Kanthal
C. Chromel
D. German silver
A. Low carbon steel
B. Mild steel
C. Wrought iron
D. White cast iron
A. 3.8
B. 5.2
C. 4.8
D. 4.3
A. Sulphuric acid (10%) at room temperature
B. Nitric acid (95%) at room temperature
C. Sulphur trioxide at 60°C
D. Any of these
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
A. Cast iron and high silicon iron
B. Mild steel and stainless steel
C. Aluminium, tin and rubber
D. Teflon, glass and porcelain
A. Not resistant to corrosion
B. Used as a cathodic material
C. Not used as pigment (in its compound forms) for paints
D. Used as a shock absorber (in mattress form) between the foundation and steel framework of
skyscraper buildings