what is solidworks ? SolidWorks is a popular 3D computer-aided design (CAD) software that is used for creating and designing complex models and assemblies in mechanical engineering, product design, and other industries. It is developed by Dassault Systèmes, a French software company that also owns other popular software such as CATIA and SIMULIA. SolidWorks provides a range of tools and features for creating 3D models, such as sketching, surface modeling, solid modeling, sheet metal design, and assembly modeling. It allows users to simulate and analyze the performance of their designs before manufacturing, including motion analysis, finite element analysis (FEA), and computational fluid dynamics (CFD). It also supports collaboration and sharing of designs with other users through various formats such as STEP, IGES, and STL. SolidWorks is known for its user-friendly interface and intuitive design, which makes it easy for beginners to learn and use. It is widely used in industries such a...
QnA of Thermodynamics :
1. The efficiency of carnot Engine depends on - temperature source and sink .
2. In an isothermal process , the internal energy remains constant .
3. Change in entropy for reversible adiabatic process is zero .
4. Which is extensive property ? Volume
Extensive property - depends upon size -mass ,
-Energy
Entropy
-Enthalpy
Intensive Property - do not depend upon size -
Temperature , Pressure , Density , viscosity
5. Internal energy is a function of only temperature (absolute ) .
6. According to kinetic theory of gases , the absolute zero temperature is attached when -kinetic energy of molecules of gas is zero .
7. An adiabatic process in a thermo dynamic system is one in which there is ?
No heat transfer to or from the system through the boundary .
8. Change of energy depends on - transfer of heat .
9. For which substances , the internal energy and enthalpy are the functions of temperature only ?
Perfect has .
10. Increse in pressure raise the boiling point of a liquid .
11. First law of thermodynamics furnishes the relationship between Heat , work and properties of system .
12. Critical pressure for steam is 221 bar .
13. The volumetric efficiency of compressor with in - create in compression Ratio will -Decreases .
14. The function of condenser in thermal power plant is -to act as reservoir to receive steam for turbine .
- to condense steam into condensor to be erased again .
- to create vaccume .
15. What salts of calcium and magnesium cause temperature hardness of boiler feed water ?
Bicarbonates
16. For specifying the state of wet vapour , one needs pressure , temperature and one more intensive property .
17. Which is a high pressure boiler ?
Benson boiler
High pressure boiler - Lamount boiler , Benson boiler , Loeffler boiler , Velox boiler , Stirling boiler .
Low pressure boiler - Locomotive boiler , Cochran boiler , Lancashire boiler , Bab - cock Wilcox boiler
18. Thermal efficiency of thermal power plant is of the order of 30 °
19. For specifying the state of superheated vapour , one needs pressure as well as temperature .
20. Which boiler is water tube bolier ?
Babcock and Wilson boiler .
21. Economizer in boiler decrease fuel consumption .
22. Centrifugal compressor works on the principal of conversion of kinetic energy into pressure energy .
23. Volumetric efficiency of air compressor is the ratio of air actually delivered to the amount of piston displacement .
24. A device used to increase the temperature of system without raising it's pressure is called super heater .
25. Fusible plug for a steam boiler is an alloy consisting of bismuth , lead and tin .
26. Efficiency of gas turbine is increased by
Reheating , Intercooling , adding a regenerator .
27. 1 ton of refrigeration is equivalent to 3.5 kw .
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