Correct answer
C. harden steel slightly
Explanation
The correct answer is harden steel slightly.
The efficiency of Carnot cycle is maximum for________?
Heating of dry steam above saturation temperature is known as________?
For which of the following substances, the internal energy and enthalpy are the functions of temperature only________?
Which of the following incentive plansrensures a part of the swing to the worker and rest to the employer________?
The temperature of interior surface of cylinder wall in normal operation is not allowed to exceed________?
To convert volumetric analysis to gravimetric analysis, the relative volume of each constituent of the flue gases is________?