🔍
Heating time with compressed air and petrol in SPW is ?
 (i) 4.0 to 4.5 minutes.*
 (ii) 4.0 to 5 minutes
 (iii) 5.0 to 5.5 minutes
 (iv) 5.5 to 6 minutes
0 like 0 dislike

1 Answer

(i) 4.0 to 4.5 minutes.*
0 like 0 dislike

Related questions

What is the heating time in OXY & LPG in SPW? (i) 2.0 - 3.5 minutes. (ii) 2.0 - 3.0 minutes. (iii) 2.0 - 2.5 minutes.* (iv) 3.0 - 4.5 minutes.
Answer : iii) 2.0 - 2.5 minutes...

View solution
0 like 0 dislike
1 answer

What are the recognized systems for pre heating of rails ends for AT Welding? (i) Oxygen –LPG & Compressed air petrol both* (ii) Only Oxygen –LPG (iii) Only Compressed air petrol both (iv) both are correct
Answer : ) Oxygen –LPG & Compressed air petrol both*...

View solution
0 like 0 dislike
1 answer

Pressure of Oxygen during pre-heating shall be? (i) 4.0 – 5.0 kg/ sq cm (ii) 5.0 – 6.0 kg/ sq cm (iii) 6.0 – 7.0 kg/ sq cm (iv) 7.0 – 8.0 kg/ sq cm *
Answer : (iv) 7.0 – 8.0 kg/ sq cm *...

View solution
0 like 0 dislike
1 answer

What is mould waiting time? (i) 3 to 5 minutes. (ii) 4 to 6 minutes* (iii) 3.5 to 5.5 minutes (iv) 4.5 to 6.5 minuteses
Answer : (ii) 4 to 6 minutes*...

View solution
0 like 0 dislike
1 answer

Pressure of compressed air is kept during preheating by CAPS? (i) 1 to 2 kg/cm2 (ii) .1 to .2 kg/cm2 (iii) 2 to 3 kg/cm2 (iv) 0.2 to 0.3 kg/cm2*
Answer : (iv) 0.2 to 0.3 kg/cm2*...

View solution
0 like 0 dislike
1 answer

50.5k questions

47.1k answers

240 comments

7.0k users