ISRO Scientist/Engineer SC Mechanical 2016

guys any idea abt the cut off toqualify d exam??

Tip to find image of a point in plane

do we require to take all result of be at exam spot or final result which represent final cgpi? because i did not get all result yet....!

An aeroplane is flying a t a n height of-I4km where temperafure is - 4 5 ' ~c . The speed of theplane is corresponding to M=2. Find the speed of the plane if R=287Jlkg K and gamma= 1.4.

How its done.

which of the following errors are generally distributed in accordance with the Gaussian distribution

  • calibration errors
  • controllable errors
  • random errors
  • avoidable errors

0 voters

is anyone currently giving test through ISRO test series via made easy?

Bhaiyo ye 2015 paper me answer mistake thi kya? A m getting option (b) for ques no.8 and none of these for ques no. 9.

is b the correct option for que 40

If cross sectional area of hollow and solid shaft is same, then solid shaft will transfer less torque - True/ False

See this.

Npcil result out. My marks 199. Cutoff 183 obc. Interview Mumbai. Chalo saala phli baar mumbai jaaunga.

https://www.i-register.co.in/npcilv16/etnlogin.aspx

A metallic cube of side 10 cm, density 6.8 gmlcc is floating in liquid mercury (densityI 13.6gm/cc),with 5 cm height of cube exposed above the mercury level. Water (density 1gm/cc) is filled over this, to submerge the cube fully. The new height of cube exposed above mercury level is

At the eye tip of a centrifugal impeller, blatle velocity is 200 mls while the uniform ,axial velocity a t the inlet is 150 m/s. If the sonic velocity is 300 mls, then the inlet Machnumber of the flow will he

isro ece ?:(

A jet of water discharging from a 40mm diameter orifice has the minimum area at its vena contracta. The coefficient of contraction is....

A. .46    B.61     C. .78     D. .87

Guys plz solve it. Isro 2016

eulers formula gives 5 to 10% error in crippling load as compared to experimental results in practice bcz:

a) effect of direct stress neglectd

b) pin joints are nt free from friction

c) the assumptions made in using the formula are nt met in practice

d) the material does nt behave in an ideal elastic way in tension and compression

Between section 1 and 2 of a pipe a pump, a heater,a very rough pipe, and an orifice plate are placed. The Bernoulli equation can be applied between 1 and 2 if

  • orifice plate and heater are removed
  • orifice plate, pump and heater are removed
  • heater and pump are removed
  • heater ,rough pipe and orifice plate are removed

0 voters

Solve this please. Second pic is in the comment.