Answer / mech idiot

Piston ring in piston is used for avoid leakage of
combustion gases into th crankcase in engine.... it also
used for lubricating purpose for reducin th rough or tight
relative movement between th cylinder and piston...

Answer / n.k.singh

Piston ring is provided with piston so that during movement
of piston there should not be any leakage of compressed air
in cylinder and make motion of piston uniform.If there is
leakage in the cylinder desired stroke length will not be
achieved.

What will be the cause of the loose compression in a cylinder?

3 Answers  

---

Where is the maximum temperature in refrigeration cycle? a.Between evaporator & compressor. b.At Compressor c.Between compressor and condensor. d.At condensor

12 Answers   HAL,

---

Sir/Mam, I have applied for RRB chennai for the section engineer - mechanical posting. If any one is having the old written exam question papers please send it to my mail id : spramu@gmail.com Thanks in advance, Ramanathan...

0 Answers   RRB,

---

In a 4 cycle engine the intake valve begins to open at?

2 Answers  

---

alignment formulae for any two shafts for shim correction

0 Answers   Telcon,

---

difference between load and force?

8 Answers   Bosch,

---

why we are using mineral wool as insulation material than glass wool , in india?

0 Answers  

---

what is the purpose of actuator

3 Answers   LB Industries,

---

diffuser increases pressure but in turbine pressure is decreasing when steam passing through casing?

1 Answers   Punjab National Bank,

---

applications of newtons law?

1 Answers  

---

After any cause of repaired how i start the engine by slow speed 800 to 900 rpm electronic control moudle engine [cummins]

0 Answers   Cummins,

---

what is the regulating speed in a hydraulic coupling

1 Answers  

---