Q. 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.

View solution

Q. Statement 1: Where Pg is power for a gassed system and Po is power for an ungassed system, Pg/Po is _____
Statement 2: Na stands for _____

View solution

Q. Statement 1: Flat blade/curve blade/arrow head/vaned disc turbines are generally used for gas-liquid mixing.
Statement 2: Helical screw/ribbon mixer/gate anchor are generally used for solid-solid mixing.

View solution

Q. Which of the following is true with respect to Carbonation?

View solution

Q. With respect to dipping oil emulsions, which of the following is true?

View solution

Q. Which of the following is an advantage of size reduction?

View solution

Q. Statement 1: Dispersion of one immiscible liquid into another also involves size reduction.
Statement 2: Leaching requires size reduction.

View solution

Q. Which of the following is NOT true with respect to size reduction?

View solution

Q. Which of the following is NOT a method used for size reduction?

View solution

Q. 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.

View solution

Q. Statement 1: A hammer mill uses an impact to break particles.
Statement 2: A chakki uses compression to break particles.

View solution

Q. Kick’s law is an intermediate between rittinger’s law and bond’s law.

View solution

Q. A jaw crusher uses _____

View solution

Q. A ball mill uses _____

View solution

Q. Which of the following uses attrition?

View solution

Q. Which of the following is used for shredding meat in the food industry?

View solution

Q. Which of the following food operation does NOT use the principle of size reduction for its operation?

View solution

Q. 4 screens can separate _____ differently sized particles.

View solution

Q. Statement 1: As mesh size increases, the aperture size decreases.
Statement 2: In British standards, the ratio of the aperture size of two consecutive screens is a ratio of 1.412.

View solution

Q. With respect to the Tyler series, which of the following is true?

View solution