Which of the following does NOT include power required for mixing by a – McqOptions

MCQOPTIONS

1.	Which of the following does NOT include power required for mixing by an impeller?
A.	Rheological nature of the fluid
B.	Friction in the motor
C.	Speed, nature and type of the impeller
D.	None of the mentioned
Answer» C. Speed, nature and type of the impeller

Discussion

No Comment Found

Related MCQs

Kick’s law is an intermediate between rittinger’s law and bond’s law.
A ball mill uses _____
Which of the following is NOT an advantage of mechanical transportation?
In differential screen analysis, for calculating the particle size of the food particles on any one sieve, the average food particle size on that sieve is the mean of the screen opening of that sieve and the sieve below it.
Statement 1: Dispersion of one immiscible liquid into another also involves size reduction.Statement 2: Leaching requires size reduction.
Statement 1: Grinding laws are based on the energy required for the creation of new surface area.Statement 2: In general, all the laws are based on the principle that the energy required per unit area of the surface is directly proportional to the size of the particle.
Statement 1: Kneaders are specially used for pastry/viscous liquids in the food industry.Statement 2: Kneaders are used for mixing dough with fats and making them homogeneous mixtures.
Statement 1: In the transient zone, the power input depends on the density and viscosity of the fluid.Statement 2: In the laminar zone, the power input depends on the density only. It is independent of the viscosity of the fluid.
With respect to the relationship between the power number and the impeller Reynolds’s number, which amongst the following statements is true?
Power required for a gassed system is more than that required for an ungassed system.