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Define the following :
(a) Boot Strap Air Evaporative System
(b) Simple VCR System
(c) Advantage and disadvantage of VCR system over Air Refrigeration System
(d) Reduced Ambient Air Cooling System
(e) Define a refrigerant. Describe primary, secondary and eco-friendly refrigerants with examples. Also discuss the physical and thermodynamic properties of the following refrigerants :
R-11, R-12, R-22, R-717
(f) Illustrate with neat sketches various methods of refrigeration.
Gun fires - projectile motion: A gun fires a projectile along with a muzzle velocity of 300 m/sec as illustrated in Figure. Find its angle of inclination so that it strikes a
Calculate total deflection -two close-coiled helical springs: Two close-coiled helical springs are compressed among two parallel plates by a load of 1000 N. The springs contai
Steam power plant: Steam power plant converts heat energy Q from combustion of fuel into mechanical work W of shaft rotation which is used to generate electricity. This ty
(a) Illustrate all the laws of mechanics? (b) What ate the two limits of limitation on Newtonian mechanic?
Cast Al Alloys Low melting temperature, good surface finish and insolubility to gases except H 2 are characteristics of these alloys. Significant drawback of cast aluminium a
What are the types of Boundary Layer and what do you understand by separation of Boundary layer. Can you Derive Hagen Poiseulle formula. Aslo illustrate Reynold's No.
Provide short answers to the following questions: a) What the necessary condition for a heat transfer process to occur? b) What is a difference between the steady state c
Q. Explain Sulphidation process? The presence of sulphur converts the surface of the metal to a sulphide scale which is generally more destructive than an oxide scale. Sulphid
Applications. The welding process finds widespread applications in almost all branches of industry and construction. fabrication and creation of steel structures
Following data is provided for a 360 o hydrodynamic bearing : Radial load = 3.2 kN journal Speed =1490 rpm journal diameter = 50 mm bearing length = 50 mm radial cl
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