Answer Posted / vivek sekar

i need BHEL Engineer Trainee written test papers in
Mechanical stream.

Define monochromatic emissive power. [Ebλ]

1239

---

can any1 provide me the PLACEMENT PAPERS FOR BHEL

2035

---

What are the causes of I.O. high temperature in a diesel engine?

1860

---

calculate the expantion of steel bar 2,5 long if its temperature rises from 20 degrees to 250 degrees and its co effient of expantion is 0,000011 mm degrees

751

---

What are considerations taken into account while creating a piston head?

1059

---

Dear Friends I want to previous 5-10 years technical and non tech. question paper of section engineer (mechanical)of RRB and also tell me how should I prepare for S.E. and which books will help me for technical,aptitude,resoning.plz send me at bkcs.bkcs@rediffmail.com

1817

---

IF RPM OF PTO OF TRACTOR IS 540,torque at pto is 21kg/cm sq.& WE NEED IT TO 1800 RPM ,THROUGH GEAR ONLY FOR THAT WHAT WOULD BE ETHE GEAR STRUCTURE( I.E.NO TEETH OF BOTH GEAR ) IN ORDER TO GET 1800 RPM OUTPUT.

2192

---

In Rankine Cycle we use the concept of Tm(mean temperature of heat addition).In actual cycle the efficiency comes as n=1-T2/T1 Taking Tm into consideration it comes as n=1-T2/Tm as T1>Tm so the efficiency for both case will not same for a same cycle. Can anybody explain how it is possible? Advance appreciation for your effort.Thanks

3116

---

How is the gear ratio calculated?

1063

---

difference between microcontroller and microprocessor

1982

---

What is the difference between stalling and surging in rotary compressions ?

1046

---

Why RPM cum hour meter connection is not possible in water cooled DEA set. Is there any problem in sensing?

1917

---

Explain what does green field project mean?

1062

---

Please advise your reasons for applying for this role and why you think you are suitable?

2889

---

What are the causes of liner high temperature?

1950

---