what is the reasson after complition of suction stroke and
started compression stroke inlet valve open for few digrees
Answer Posted / om
It's kept so to pack more charge. If the inlet valve is
allowed to close at the starting of the comp. stroke the
pressure inside the cylinder will be below atmospheric. The
inlet valve is kept open few degrees during compression
stroke to pack a more charge under a presuure of charge
that enters through intake manifold and against the pre. of
rising piston during compression stroke. This is calles ram
effect
| Is This Answer Correct ? | 8 Yes | 0 No |
Post New Answer View All Answers
Hello i am appearing for the BHAVINI written exam 2014 for the post of Technical Officer(Mechanical). Can anyone tell me what topics to prepare?
what is the difference between ASTM A572 GRADE 50 [Fyld 345 MPa ] and IS2062 GRADE A E250 [Fe410 WA]?
why with the increase of pressure latent heat of steam decreases?
Hello Friends I had my ONGC test today,but it was very bad.But I would give certain suggestions so that u may not face he problem which i had. Be thorough with Electrical Technology.Generators.motors stators etc.There are 5 questions on that. There were also good no.of questions from Hydraulic machine and Production technology. Then 3 from Strength of materials.And remember the dimensional quantities.
How work the mobail vibrator
one kg of gas is compressed adiabatically from 1 kg/sq.cm,1 cubic metre volume and 300 kelvin to 5 kg/sq.cm,0.5 cubic metre and 400 kelvin.work transfer in this process will be
Why an increase in area is required to produce an increase of velocity in case of supersonic flow ?
Which welding process uses non-consumable electrodes?
Explain the applications of ferrite material?
What is the purpose of ventilation in the battery room?
distance between the power generation and the distribution to the application is fixed or vary
generally how much percentage is required to sit in exam of PSU'S for mechanical engg. candidate (general category)
How to find the amount of natural gas required to produce 1kwhr of energy?
plz anyone provide me the sample test papers of ONGC as of i m from Mechanical engg bakground and would be appearing for the test in the june 2010. My email id - neeraj_94312@rediffmail.com
Explain the formation of micro structures of pearlite, bainite and martensite in steel?