Answer Posted / nitin

>Isolator is used to break the 3 phase power ckt. under no
load condition ( mostly in substation ) installed before
and after the transformer for maintenance purpose.
>its operate only on no load condition because there is no
protection insite isolator.
>isolators are manually operated or motorised.

What do you mean by the term thread size?

1097

---

How does hydraulics work?

1072

---

Explain the operation of a centrifugal purifier.

2432

---

What are whiskers ?

1129

---

How do you detect earth by lam p?

1988

---

define material grades 15b25,10b21,scm-415,16mncr5 in detailwith their compositions

9447

---

What is the congressional space medal of honor?

1111

---

What are the things needed to have an efficient boiler burning?

2125

---

What are the causes of damage to propellers?

2037

---

Why gas containers are mostly cylindrical in shape?

1049

---

What is critical pressure ?. What will happen if water is heated above critical pressure and temperature?. What importance it is having related to Boiler?. Upto what presrure natural circulation is possible in Boilers?.

2502

---

DRDO entrace exam questions for ceptam please forward for this mail.pls immediately

2479

---

What are the causes of turbine vibration

1974

---

if any one attended caterpillar placement pls send the model questions and the question pattern.....

2679

---

How does turbine work?

1110

---