6698Chemical EngineeringMedium
Nitriding of a steel part does not increase its________?
AFatigue limit
BWear resistance
CGrain size
DSurface hardness
Correct answer
C. Grain size
Explanation
The correct answer is Grain size.
Correct answer
C. Grain size
Explanation
The correct answer is Grain size.
Which of the following assumes constant molal vaporisation and overflow?
Dolomite bricks have good resistance to attack by________?
In case of condensers & evaporators operating under given terminal conditions, LMTD (logarithmic mean temperature difference) for counter flow as compared to that for parallel flow is________?
Which of the following are made out of the carbon steel having carbon content of 0.9 to 1%?
Which of the following is desirable in petrol (gasoline) but undesirable in kerosene?
If an amount R is paid at the end of every year for ‘n’ years, then the net present value of the annuity at an interest rate of i is ________?