In which types of fluids it is observed that momentum transfer dominates cohesive forces with increase in temperature and hence viscosity increases

In which types of fluids it is observed that momentum transfer dominates cohesive forces with increase in temperature and hence viscosity increases Correct Answer Gases

It is the characteristic property of gases which show increase in viscosity with increase in temperature.
Bissoy MCQ

Related Questions

If CT is the transition capacitance, which of the following are true? 1) in forward bias, CT dominates 2) in reverse bias, CT dominates 3) in forward bias, diffusion capacitance dominates 4) in reverse bias, diffusion capacitance dominates
Statement 1: For non-Newtonian fluids, another term called apparent viscosity is used as their viscosity changes with the change in the shear rate. Statement 2: For non-Newtonian fluids, between the transition region, the power number for non-Newtonian fluids is slightly higher than that for Newtonian fluids.
Statement 1: Blood is a _____ Statement 2: Thixotropic fluids are fluids whose viscosity decreases when subjected to shear stress initially but eventually with time, the viscosity increases.
Consider the following statements and choose the correct answer:
1. At low temperature, the viscosity of water increases
2. Low temperature retards the growth of the roots
3. At low temperature, viscosity of protoplasm and cell wall decreases
4. Low temperature increases the metabolic activities of the root cells
Correct viscosity of furnace oil at the burner tip for proper atomisation is about 25 centistokes. To reduce the viscosity of high viscosity furnace oil (250 centistokes) to the correct atomisation viscosity (i.e. 25 cst), it should be preheated to about____°C.
The system of forces acting on the aircraft are propulsive forces, aerodynamic forces, gravitational forces and these result in inertial forces.
Statement 1: Scraping improves heat transfer co-efficient by 5 times in case of non-Newtonian fluids. Statement 2: In food industry, major physical changes to food items when they’re processed, take place like transformation from Newtonian to Non-Newtonian fluids. Hence, scraped surface heat exchangers are very beneficial.
Viscosity varies with the temperature and hence if a surface to be lubricated is normally at high temperature it should be supplied with oil of higher viscosity.
Statement 1: In μ_a= τ/γ = Kγ(n-1) , n = consistency index and K is the flow behaviour index. Statement 2: n= 1 for Newtonian fluids, n<1 for dilatant fluids and n>1 for pseudo plastic fluids.
Assertion (A): With the increase of temperature, the viscosity of glycerin increases.
Reason (R): Rise of temperature increases kinetic energy of molecules.