Answer / karthick

this is one type of welding which generates heat due to
contact resistance when electric current is passed
across.types of resistance welding
spot,projection,percussion,seam etc

Answer / deepak

a welding technique in which the parts to be joined are held
together under pressure and heat is produced by passing a
current through the contact resistance formed between the
two surfaces

Answer / vinod.n

A welding technique in which the parts to be joined are held
together under pressure and heat is produced by passing a
current through the contact resistance formed between the
two surfaces.

Answer / krunal ray

fusion or coalsence is produced by two tungsten eletrods
with resistsnceis cslled resistsnce welding

difference between strainer and filter

24 Answers  

---

why does polytropic efficiency of a compressor decrease with increasing flow rate ?

0 Answers   L&T, ONGC,

---

• What is your greatest strength?

4 Answers   NTPC,

---

Explain why re-heater is used in gas turbine

0 Answers  

---

If there is a requirement of centrifugal fire pump with casing HIgh tensile strength, then what should be the material for pump casing.

1 Answers  

---

What will happen to the resistance, when the diameter of the conductor is doubled?

7 Answers   Bhel,

---

What is the turbine and how does it work?

0 Answers  

---

Explain the operation of a centrifugal purifier.

0 Answers   RRB,

---

what is the difference between technology and engineering ?

3 Answers  

---

please any one send the fenner model question........

0 Answers  

---

what is the diffrence between pelton and kaplan turbine

2 Answers  

---

What is the difference between austenite stabilisers and ferrite stabilisers ?

0 Answers  

---