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Download Previous Year Diploma Paper of REFRIGERATION AND AIR CONDITIONING RAC 5th /Mech/5321/Feb 2021 Diploma Paper

REFRIGERATION AND AIR CONDITIONING 5th Sem/Mech./5321/Feb 2021

                                SECTION-A

Q2. Attempt any Three questions.                                                                    5×6=3

i. Explain the effect of sub-cooling with the help of p-h diagram.
ii. When used as refrigerant, state the properties of the following:
iii. Carbon Dioxide- CO2 (R-744)(b) Ammonia-NH3 (R-717)
iv. Explain the working of flood evaporator with the help of a neat sketch.
v. Write comparison between water cooled condenser and air cooled condenser?
vi. Write the advantages of vapour absorption system over vapour compression system
vii. Define: a) Percentage Humidity or Degree of Saturation b) Latent Heat and Its Types

                                     SECTION-C

Q3. Attempt any one question.                                                       1×10=10

a. What do you mean by effective temperature? Explain the factors which affect the effective temperature.
b. Describe briefly i) Cooling dehumidification ii) Infiltration
c. Draw the PV and TS diagram of Bell Coleman Cycle and derive an expression of its COP.
d. Describe briefly the principle and working of a vapour compression system.

REFRIGERATION AND AIR CONDITIONING RAC 5th /Mech/5321/Feb 2021 Diploma Paper

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Section A:-REFRIGERATION AND AIR CONDITIONING RAC 5th /Mech/5321/Feb 2021 Diploma Paper

Explain the effect of sub-cooling with the help of p-h diagram.

Explain the effect of sub-cooling with the help of p-h diagram.

When used as refrigerant, state the properties of the following:

When used as refrigerant, state the properties of the following:

What are the different types of Identification tests? Explain any one? Carbon Dioxide- CO2 (R-744)(b) Ammonia-NH3 (R-717)

Carbon Dioxide- CO2 (R-744)(b) Ammonia-NH3 (R-717)

Explain the working of flood evaporator with the help of a neat sketch.

Working of flood evaporator 

Write comparison between water cooled condenser and air cooled condenser?

Write comparison between water cooled condenser and air cooled condenser

Write the advantages of vapour absorption system over vapour compression system

Advantages of vapour absorption system over vapour compression system

Define: a) Percentage Humidity or Degree of Saturation b) Latent Heat

a) Percentage Humidity or Degree of Saturation b) Latent Heat and Its Types

Automotive Material 3rd Sem Exam/Auto/3893/Feb 2021 Diploma Paper Click Here

REFRIGERATION AND AIR CONDITIONING RAC 5th /Mech/5321/Feb 2021 Diploma Paper

Get Started https://www.youtube.com/watch?v=UHX6f8TIvX8https://www.youtube.com/watch?v=M_RR6LVICp0https://www.youtube.com/watch?v=mV41CMWonN4https://www.youtube.com/watch?v=s0LVPE0Q3LE&list=PLA9Q9SDZ781WXNAWit379A4CRLMvjGiUw&index=14&t=0s

Section c :-REFRIGERATION AND AIR CONDITIONING RAC 5th /Mech/5321/Feb 2021 Diploma Paper

What do you mean by effective temperature? Explain the factors which affect the effective temperature.

Effective temperature

factors which affect the effective temperature.

Describe briefly i) Cooling dehumidification ii) Infiltration

i) Cooling dehumidification

ii) Infiltration

Draw the PV and TS diagram of Bell Coleman Cycle and derive an expression of its COP.

PV and TS diagram of Bell Coleman Cycle and derive an expression of its COP.

Describe briefly the principle and working of a vapour compression system.

Principle and working of a vapour compression system.

Automotive Material 3rd Sem Exam/Auto/3893/Feb 2021 Diploma Paper Contact Us

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