Is it possible to find the number of students(count of numbers) in the class by using a thermal scanning device?

3 Answers  

---

twist drill angle

9 Answers   DRDO,

---

What's the difference between absolute vibration & relevant vibration regarding Boiler Feedwater Pump ?

0 Answers  

---

What do you mean by super critical above 500MW in Thermal power plant?

1 Answers   Enmas,

---

What is welding?

0 Answers  

---

---

What are the differences between heat transfer and mass transfer?

6 Answers   NTPC, TATA,

---

why coal oil used for leakage test in bearing housing instead of water ?

1 Answers  

---

what are kinds of power stations ? what is the difference between power station and power plat?

1 Answers   Jindal,

---

Hi everyone.. I attended the HAL interview... on 9th dec 2008 @ Bangalore.. the interview was 90% technical... my question are>>>>> 1) Design a rod that should withstand 1000N? (they told that the material is mild steel & they gave me the stress- strain graph for that) 2) what is the principal of hydraulic braking?? 3) whether interchangebility is possible between JIGS & FIXTURES??? 4) what is recent developement in Automobile ENGINE??? 5) abt my final year project (since i m a fresher) 6) some HR questions

3 Answers   Bhilai Steel Plant, HAL,

---

What are the differences between heat transfer and mass transfer?

1 Answers  

---

When can we using journal bearing and what is differences in duty between it and friction less bearing ?

2 Answers   NOC,

---

How do motion detectors work?

0 Answers  

---