________ of austenite decreases the hardenability in steel?

The deflection in diaphragm (which is used as pressure sensor in pneumatic and electronic instruments) is dependent on the metal thickness, its diameter D. and shape & number of corrugations. Its deflection is proportional to________?

The equivalent diameter for flow through a rectangular duct of width B and height H is________?

A pulse tracer is introduced in an ideal CSTR (with a mean residence time I) at time, t = 0. The time taken for the exit concentration of the tracer to reach half of its initial value will be________?

Mercury is an ideal barometric fluid mainly due to its ________?

Work study deals with the ________ study?