A. Case hardening
B. Spheroidising
C. Normalising
D. Annealing
A. Concrete
B. Steel
C. Zircaloy
D. Graphite
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
A. Manganese
B. Carbon
C. Phosphorous
D. Silicon
A. Is used as an alloying element for both ferrous & non-ferrous alloys
B. Is paramagnetic below 415° C (its Curie temperature)
C. Diamagnetic
D. Has a body centred cubic (bcc) crystal lattice structure
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
A. Ammonia (both aqueous & anhydrous)
B. Fruit juices, milk & its products and caustic soda solution
C. Nitric acid & hydrochloric acid (concentrated)
D. Sulphuric acid (concentrated)