Sand is dried in foundries in a ______________________drier?

Related Mcqs:

JD factor for mass transfer is a function of Reynolds number. Mass transfer by molecular diffusion from a single drop to surrounding still air is given by___________________?

A. Nsh = 2 B. Nst = 2 C. Nsc = 2 D. None of these...

Relative humidity is the ratio of the______________________?

A. Partial pressure of the vapour to the vapour pressure of the liquid at room temperature B. Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature C. Actual humidity to saturation humidity D. None of these...

If the solubilities of different components (in a liquid-liquid extraction system) increase with rise in temperature, then the temperature above which they dissolve completely is known as the critical solution temperature (CST or consolute temperature). If solubilities increase with decrease in temperature, then CST is the temperature below which they dissolve completely. If a binary system has no critical solution temperature, it implies that___________________?

A. The system comprises of partially miscible liquids B. The system comprises of miscible liquids C. The system comprises of an azeotrope D. On heating, a vapor phase will appear; while on cooling, a solid phase will appear...

_____________ is used as an ‘entrainer’ for the separation of acetic acid-water mixture by distillation?

A. Furfural B. Benzol C. Butyl acetate D. Hexane...

The following plot gives the saturated humidity (He) versus temperature (T).Line joining (H1, T1) and (H2, T2) is the constant enthalpy line. Choose the correct one from among the alternatives A, B, C and D____________________?

A. T1-Dew point temp; T2-Dry bulb temp; T3-Wet bulb temp B. T1-Dew point temp; T2-Wet bulb temp; T3-Dry bulb temp C. T1-Wet bulb temp; T2-Dry bulb temp; T3-Dew point temp D. T1-Dry bulb temp; T2-Wet bulb temp; T3-Dew point temp...