List of top Dairy Technology Questions on Heat Transfer and Unit Operations

Which of the following is a unit of viscosity ?
Which of the following fluids have a linear relationship between shear stress and velocity gradient ?
In spray dryer, the process of forming droplets fine enough to dry quickly, but not so fine to escape with the outlet air after having been dried is known as :
Approximately to what percentage of total electrical load does a refrigeration plant contributes ?
For a spray drying plant, which of the following design layout is most suitable ?
Scraped surface heat exchangers are designed for the evaporation of which of the following type of products ?
In mechanical vapour recompression (MVR), vapour compression is accomplished mechanically using :
In a spray dryer pressure nozzle atomization, energy is provided by :
Which of the following refers to an induced motion of a material in a specified way usually in a circulatory pattern inside some sort of container or vessel ?
Short-tube vertical evaporators are also known as :
Indirect UHT treatment can be done using which of the following methods ?
Which of the following value is related to sterilization process ?
In falling film milk evaporator, the temperature difference between milk and steam should be approximately around :
Match List-I with List-II
\begin{tabular{ll} List-I (Name of Process) & List-II (Temperature/time)
(A) Pasteurization & (I) \(60\ ^\circ\text{C}\) no hold
(B) Sterilisation & (II) \(55-60\ ^\circ\text{C}\) no hold
(C) Homogenisation & (III) \(72\ ^\circ\text{C}\) 15 sec
(D) Bactofugation & (IV) \(118\ ^\circ\text{C}\) 15min

Choose the correct answer from the options given below :
With regard to temperature of operation, place the following unit operations in sequence in an increasing order of temperature:
(i) Sterilisation
(ii) Thermisation
(iii) Homogenisation
(iv) Bactofugation and
(v) HTST pasteurization.
Choose the correct answer from the options given below :
Which of the following is used to increase heat transfer from the surface?
Which of the following instruments is used to determine the rennetability of the curd?
In a piezo electric device, when pressure is applied ______ is generated.
According to the FSSAI standards, what is the maximum permissible limit of aspartame in Burfi?
Which of the following types of energy is possessed by a compressed spring?
As per FSSAI Standard, what is the maximum permissible limit of nisin used in paneer?
Conductive thermal resistance (R) offered by a wall of thickness "L", area "A" and thermal conductivity "k" is given by which of following equations?
_____ is equal to the product of the force and the perpendicular distance of the point, about which the moment is required and the line of action of the force.
_____ state’s that the grinding energy for a given mass of material is proportional to the logarithm of reduction ratio.
Which of the following is the medium for heating raw milk in the regeneration section?