Answer / cs reddy

Bolts are getting loose due to Vibration.
Vibrations may be due to :
a) Misallignment.
b) Improper foundation.
c) Improper Mass Balancing.

Answer / manoj saah

Coupling Misalligment may be major reason.

So do allignment by using Dial Gauge and clearance should
0.05 mm.

Answer / girish

Vibration is a main reason
1. Reduce vibration using vibration isolating mounts
2. use flexble coupling with lock nuts

Answer / rakshit

dumb people .... they have specified 1010 KVA ... which is
very high capacity.... high shear force exists if proper
rated engine is not coupled to generator ,,,, due to high
shear force.. wear in coupling.. wear in coupling... loose
studs... .. also greater vibrations is the cause

Answer / faisalabad

you may use self locking nut as well as suitable grate lock tight according bolts specfication

Answer / pavan

Use lock nuts. Because vibrations are unavoidable (but can
only be minimized), using lock nuts is always safe.

Answer / nagarajan

I Think u can make use of pins in the nuts at specified
tight point of bolt.

how the velocity of the liquid is converted into pressure energy in a volute casing? finally we are getting high velocity or high pressure?

3 Answers   Satyam,

diffrence between cnc and nc??

2 Answers   Tech Mahindra,

Dear Sir, I am Shariq Sami. I joined BHEL as a Supervisor Trainee in May 2009 on diploma basis, right now i am an assistant Engineer and posted at Noida. I have completed my bachelor of engineering from Jamia Millia Islami, New Delhi.I am Planning to appear for "BHEL ET" exam this year. I want to know,is there any previous year question papers will be available like we have for GATE exams or you feel it is no need? Can you please guide me? Kind Ragards M.S Sami, Contact No. 9891090742, 9250250988, 0120-2545796

0 Answers   Bhel,

4 = S in R

1 Answers   Eicher,

If we Turn a car on its left, which side will have more pressure? or which side will rise up while turning?

6 Answers  

Name the device which converts sound energy into mechanical energy?

0 Answers  

• What have you learned from mistakes on the job?

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what are the advantages of PID controllers compared with those of a PLC

2 Answers   Bhel,

Why air is not used to run the turbine?

7 Answers  

Give one example of metal classified as per structure as bcc, fcc, hcp and ccp.

0 Answers  

what is the difrence between goal and target?

1 Answers  

What are the causes of boiler backfire and steps in how to prevent it from happening?

1 Answers   RRB,