Q. Stefan Boltzmann law is applicable for heat transfer by
✅ Correct Answer: (C)
Radiation
Pharmaceutical Engineering MCQs and Notes
Q. Which of the following has maximum value of thermal conductivity?
✅ Correct Answer: (A)
Aluminum
Q. Fourier law of heat conduction is based on the assumption that
✅ Correct Answer: (C)
Both (A) & (B)
Q. Heat transfer takes place according to
✅ Correct Answer: (B)
Second law of thermodynamics
Q. Which of these is not a mechanism of size separation?
✅ Correct Answer: (D)
Compression
Q. Number of sieve is defined as?
✅ Correct Answer: (A)
This is the number of meshes in a length of 25.4 mm in each direction, parallel to the wires
Q. Which one is called coarse powder?
✅ Correct Answer: (A)
It is powder in which all the particles must pass through the sieve no. 10
Q. Product size achieved by Fluid energy Mill is
✅ Correct Answer: (D)
1-30 microns
Q. Product size achieved by hammer mill is
✅ Correct Answer: (A)
4-325 mesh
Q. Product size achieved by Ball mill?
✅ Correct Answer: (B)
20-200 mesh