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Classification of system - Thermodynamics:
(1) Kitchen refrigerator, (2) Ceiling fan (3) Thermometer in mouth (4) Air compressor
(5) Pressure Cooker (6) Carburetor (7) Radiator of an automobile.
(1) Kitchen refrigerator: Closed system. No mass flow takes place. Electricity is supplied to compressor motor and heat is lost to the atmosphere.
(2) Ceiling fan: Open system. Air flows through fan. Electricity is supplied to fan.
(3) Thermometer in the mouth: Closed system. No mass flow. Heat is given from mouth to the bulb of thermometer.
(4) Air compressor: Open system. Air of low pressure enters and air of high pressure leaves compressor, electrical energy is supplied to drive compressor motor.
(5) Pressure Cooker: Closed system. There is no mass exchange (except small steam leakage). Heat is supplied to cooker.
(6) Carburetor: Open system. Petrol and air enter and mixture of petrol and air leaves the carburetor. No change of energy takes place.
(7) Radiator of an automobile: Open system. Hot water enters and cold water leaves radiator. Heat energy is extracted by air flowing over outer surface of radiator tubes.
Turnouts: A turnout is an assembly of various components whereby a train running on one track may be diverted to another. A sketch of a left-hand turnout is given in Figur
Bolter: ( k E 2 - kE 1) = 0, ( pE 2 - pE 1) = 0, w 1-2 = 0 Now, q 1-2 = w 1-2 ( h 2 - h 1 ) + ( kE 2 - kE 1 ) + ( pE 2 - pE 1 ) q 1-2 =
example on operation sheet?
Q. What do you mean by Contractility? Heart being a muscular pump the ability to eject blood depends on the ability to contract. Another factor is the resistance in the vascula
Q. What is the use of welding electrode? An electrode is a piece of wire or a rod (of a metal or alloy), with or without flux covering, which carries current for welding. Its o
a hot brass plate is having its upper surface cooled by impinging jet of air at temperature of 15 degree celcius
Tell me the type of furnace and their principle
Line Designation Tables (LDT's) (Appendix "D") are initially generated by the Piping designers. Design conditions are inputed by the Process discipline, and the Mechanical Engineer
Types of Cooling System: Two types of cooling system are used in two wheelers. (a) Natural air-cooling. (b) Forced air-cooling.
Equilibrium of body on the rough inclined plane: If the inclination is less than angle of friction, the body remains in equilibrium without any external force. If body is to b
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