Refrigeration Engineering

Clarified butter fat is known as

Which of the following laxative is formed when lactose is heated at high temperatures?

Out of the following identify valid geometry for fins (|) Longitudinal fins of rectangular cross section attached to a wall (Il) Cylindrical tubes with radial fins (II!) Conical rod protruding from a wall

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Given below are two statements

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Which of the following thermoduric bacteria in raw milk shows a 100% survival rate during pasteurization of milk?

Which of the following bacteria are known to be zoonotic dairy pathogens?

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Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

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A counterflow double pipe heat exchanger using superheated steam is used to heat the water at a rate of 3 kg/s. The steam enters the exchanger at 180°C and leaves at 130°C. The inlet and exit temperatures of water are 30°C and 80°C, respectively. Calculate the heat transfer area required. Take U = 820 Wim*K, Cp, Water = 4.187 kJ/kgK.

Arrange the following in order of increasing magnitude of their numerical value only

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Match List with List-l Choose the correct answer from the options given below:

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Which of these statements is/are true with respect to available energy as can be described by thermodynamics? (|) Available energy is the maximum portion of energy which could be converted into useful work by ideal process. (Il) System drops to a dead state after extraction of available energy (II!) Available energy is the maximum portion of energy which could be converted into useful work by real process.

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Arrange the following in decreasing order of efficiency when maximum pressure is kept constant along with constant heat input

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