A. Temperature is low
B. Atmospheric pressure is low
C. Atmospheric pressure is high
D. None of these
A. Phosphate coating is used as an excellent base for paints & enamels
B. Phosphate coating is less corrosion resistant than chromate coating
C. The base metal to be electroplated is normally made the cathode of the electrolytic cell and
coating metal is made the anode
D. Calorising is the process of coating steel with chromium
A. Adiabatic
B. Isothermal
C. Isentropic
D. Isochoric
A. Is trebled
B. Remains unchanged
C. Decreases by a factor of 3
D. Decreases by a factor of 1/3
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.