In thermit welding, heat is generated by
A) Combustion of gases
B) Electric arc
C) Reaction of oxygen with metal
D) Chemical reaction involving finely divided aluminium and iron oxide
E) None of the above
Correct Answer:
Verified
Q3: Panes are used
A)Make the timber surfaces uniform
Q4: The main constituent of moulding sand is
A)Hydrocarbons
B)Clay
C)Silica
D)Graphite
E)Carbon
Q5: An accurate lathe in India is identified
Q6: Indexing for 107 divisions can be done
Q7: Which of the following process provides continuous
Q9: The common ratio for geometrical speeds in
Q10: Wipping is the process of
A)Cleaning the welded
Q11: The term CLA (Centre Line Average) is
Q12: A piercing operation in which the entire
Q13: Which variety of copper has the highest
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents