List of top Dairy Technology Questions

The common test that is generally carried out for the confirmation of the sterilization is:
Bacteriophages are considered as one of the single most important cause of slow starter action or starter failure. Measures employed to minimize the risk of phage attack include:
A. Incorporation of electrolytes in the growth media.
B. The use of mixed and phage-unrelated cultures.
C. Strict adherence to aseptic techniques.
D. Proper selection of the starter growth media and proper heat treatment of media.
Choose the most appropriate answer from the options given below:
For liquid milk and milk products with more than 6.0% fat, two-stage homogenization is needed with the pressures:
The merits of the fermented milks are due to:
A. The nutritive value is generally higher as compared to the milk.
B. The fermented milks contains coagulating enzymes.
C. It is more easily assimilated by the human system.
D. It may possess more therapeutic properties.
Choose the most appropriate answer from the options given below:
The purpose of the heat treatment of milk is exclusively to destroy pathogenic bacteria to make the milk safe for human consumption.
A. Milk is pasteurized at 72°C for 15 seconds to destroy the pathogenic organisms.
B. The most resistant pathogenic bacteria is Coxiella burnetii.
C. The temperature-time combination for destruction of pathogenic bacteria is based on Bacillus subtilis.
D. The temperature-time combination of 63°C for 30 minutes can also be employed for pasteurization of milk.
Choose the correct statements about heat treatment of milk from the options given below:
According to Buckingham's Pi theorem, if there are 'n' variables in the problem and these variables contain 'm' dimensions, the equation relating all the variables will have the following dimensionless groups
Which of the following types of agitators is suitable for a product with high viscosity?
The time required for 1 kW electric heater to raise the temperature of 10 litres of water through 10°C is
The suction and discharge headers of Triplex pump in Homogenizer are provided to
Pneumatically operated 1st stage valve in homogenizer requires which one of the following for its operation?
The type of filter material used in on-line filters in dairy plant is
The following type of filters are provided for Aseptic filling area after UHT processing
The process application of mechanical force to move the material in a circulatory or similar motion in a vessel is known as
The formula in Lotus 1-2-3 (Spread sheets) is preceded with symbol
The material most suitable for the Evaporator pipeline is
Which one of the following works only on D.C. supply?
In Alternating Current (A.C.) system, we generate sine wave form because
The surface finish generally adopted in milk storage tanks inner surface is
The categorization of AISI 304 stainless steel is of the type
The following operation is NOT advisable for Vapour Compression Refrigeration using Ammonia as refrigerant
The vapour barrier in cold store wall is applied on
A Voltmeter with a range of 0 to 30 V has an accuracy of +/- 2% of full scale deflection. What would be the range of reading, if the true voltage is 25 V?
What will be the impedance of a coil having an inductance of 0.1 henry and resistance of 5 ohms to the 50 Hz A.C supply
The fuse wire in electric circuit is made of
In electro magnetism, the source of magnetic field is