Steam economy is defined as the amount of evaporation per unit amount of steam used, while the capacity is the total evaporation obtained per hour. Use of multiple effects in evaporation?

Screws are specified by their ________ diameters?

Corrosion allowance in the design of pressure vessel/chemical equipment is not necessary, if________?

The thickness of oxide film is y at time t. If K1, K2 and K3 are the temperature dependent constants, the parabolic law of oxidation is given by ________?

Working principle of manometer comprises of balancing a coloumn of liquid against the pressure to be measured. Inclined tube manometer is especially used for the measurement of ________ pressure?

Addition of tungsten to steel imparts________?