_____________________ of austenite decreases the hardenability in steel ?
A. Fine grains
B. Coarse grains
C. Homogeneity
D. Dissolved elements (except cobalt)
A. Fine grains
B. Coarse grains
C. Homogeneity
D. Dissolved elements (except cobalt)
A. Upward thrust due to air
B. Viscous force exerted by air
C. Surface tension effects of water
D. Force of gravity
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
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
A. 10
B. 50
C. 200
D. 1000
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.