Mechanical Engineering - Workshop Technology - Discussion
Discussion Forum : Workshop Technology - Section 1 (Q.No. 21)
21.
The low pressure acetylene is produced at the welding site by the chemical reaction between water and calcium carbonate.
Discussion:
18 comments Page 1 of 2.
Soustabh said:
6 years ago
Calcium Carbide not Carbonate.
(2)
Santanu said:
7 years ago
Low pressure acetylene = water + calcium barbie(cac2).
Mahi said:
7 years ago
Acetylene chemical formula is C2H2. So calcium carbide with water H2O only can make C2H2.
(2)
Jonathan said:
7 years ago
Can't we also make use of calcium carbonate?
Phaneendra said:
8 years ago
Low-pressure acetylene is produced by pouring Calcium carbide in water and high pressure acetylene is produced by pouring water in Calcium carbide.
(1)
Selvamani said:
8 years ago
It is Calcium Carbide.
(2)
Ayub said:
8 years ago
Calcium carbide is used to prepare acetylene.
Himanshu Nagar said:
9 years ago
Because it is made by carbide & water not carbonate.
Ankit gupta said:
9 years ago
Calcium carbide is used.
Pradeep said:
9 years ago
Please say which answer is correct.
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers