Ask
Login
TAGGED IN

Engineering Chemistry

Follow this tag to get notifications whenever a new post is added

ALL TAGS
0
votes
1
answer
1.5k
views
1
answer
What is fabrication of plastics? Explain the injection moulding method with the help of neat diagram.
engineering chemistry updated 2.7 years ago by pedsangini276 • 4.8k
0
votes
1
answer
1.3k
views
1
answer
What is vulcanization? Explain giving proper reaction. Discuss the improvement in the drawbacks of natural rubber after vulcanization.
engineering chemistry updated 2.7 years ago by pedsangini276 • 4.8k
0
votes
1
answer
2.5k
views
1
answer
Explain Compounding of plastics. (five ingredients).
engineering chemistry updated 2.7 years ago by pedsangini276 • 4.8k
0
votes
1
answer
21k
views
1
answer
Define cloud point and pour point. Discuss its significance.
engineering chemistry updated 2.7 years ago by pedsangini276 • 4.8k
0
votes
1
answer
434
views
1
answer
Dishtinguish between thermoplastic and thermosetting resins.
engineering chemistry updated 2.7 years ago by pedsangini276 • 4.8k
1
vote
1
answer
538
views
1
answer
What is vulcanization? Explain with proper reaction. Mention the advantages of vulcanized process.
engineering chemistry updated 2.7 years ago by pedsangini276 • 4.8k
0
votes
1
answer
1.4k
views
1
answer
Explain the zeolite method for softening of water including the folloing points. Diagrams, process with reaction, regenration with reactions.
engineering chemistry updated 2.7 years ago by pedsangini276 • 4.8k
0
votes
1
answer
632
views
1
answer
Setting and hardening of cement.
engineering chemistry updated 2.7 years ago by pedsangini276 • 4.8k
0
votes
1
answer
460
views
1
answer
Draw the phase diagram of one component water system. Explain triple point.
engineering chemistry updated 2.7 years ago by pedsangini276 • 4.8k
0
votes
1
answer
374
views
1
answer
Distinguish between thermoplastics and thermosetting resins.
engineering chemistry updated 2.7 years ago by pedsangini276 • 4.8k
0
votes
1
answer
579
views
1
answer
What is vulcanization? How does it improve the properties of rubber?
engineering chemistry updated 2.7 years ago by pedsangini276 • 4.8k
0
votes
1
answer
480
views
1
answer
Discuss the softening and regeneration reactions in the Ion-exchange process.
engineering chemistry updated 2.8 years ago by binitamayekar ★ 6.5k
0
votes
1
answer
714
views
1
answer
1.5 g of an oil was saponified with 50ml of 0.1N KOH solution. After refluxing the mixture required 7.5ml of 0.1N HCL for neutralisation. Find the saponification value of oil.
engineering chemistry updated 2.8 years ago by binitamayekar ★ 6.5k
0
votes
1
answer
273
views
1
answer
Name the various ingredigents used in the compounding of plastics and give two examples of each.
engineering chemistry updated 2.8 years ago by binitamayekar ★ 6.5k
0
votes
1
answer
1.2k
views
1
answer
Explain Chlorine with its advantages and disadvantages
engineering chemistry updated 2.8 years ago by binitamayekar ★ 6.5k
0
votes
1
answer
336
views
1
answer
Discuss the mechanism of boundry film lubrication.
engineering chemistry updated 2.8 years ago by binitamayekar ★ 6.5k
0
votes
1
answer
444
views
1
answer
Write a note on Nickel-Hydrogen batteries.
engineering chemistry updated 2.8 years ago by binitamayekar ★ 6.5k
0
votes
1
answer
408
views
1
answer
What are plain carbon steels? What are their drawbacks?
engineering chemistry updated 2.8 years ago by binitamayekar ★ 6.5k
0
votes
1
answer
1.2k
views
1
answer
What is the repeat unit structure of natural rubber? State any two drawbacks of natural rubber.
engineering chemistry updated 2.8 years ago by binitamayekar ★ 6.5k
0
votes
1
answer
451
views
1
answer
Write a note on compounding of plastic.
engineering chemistry updated 2.8 years ago by binitamayekar ★ 6.5k
1
vote
1
answer
2.3k
views
1
answer
Write chemical reactions for manufacturing of phenol formaldehyde resin. Explain its applications and properties also.
engineering chemistry updated 2.8 years ago by binitamayekar ★ 6.5k
0
votes
1
answer
2.7k
views
1
answer
List any five characteristics of a good lubricant with justification.
engineering chemistry updated 2.8 years ago by binitamayekar ★ 6.5k
2
votes
1
answer
8.2k
views
1
answer
Calculate all types of hardness of water sample containing: Ca(HCO3)2=81 ppm MgSO4=60 ppm, MgCO3=42 ppm, Ca(NO3)2=82 ppm.
engineering chemistry updated 2.8 years ago by pedsangini276 • 4.8k
0
votes
1
answer
1.0k
views
1
answer
Give the principle of estimation of hardness of water using EDTA method (only equations)
engineering chemistry updated 2.8 years ago by pedsangini276 • 4.8k
0
votes
1
answer
1.4k
views
1
answer
Write preparation, properties and uses of following polymers :- (i) Buna S (ii) Kevlar
engineering chemistry updated 2.8 years ago by pedsangini276 • 4.8k
<prev • 399 results • page 4 of 16 • next >