B.M.E. (Basic Mechanical Engineering)

Chapter:- 11                                                    Differentiate between a Brake and a Clutch. (03)  (Summer 2016) What are bearings? How are they classified? (03) (Summer 2018) Explain flange coupling with neat sketch    (04) (Summer 2017) What is brake?  Describe an internal expanding shoe brake with a neat sketch and state its applications. (07) (Summer 2017) (Winter 2016,2018) With neat sketch explain construction and working of cone clutch.(03)  (Winter 2016) Chapter:- 12 Explain with neat sketch the working of belt drives, Chain drive and gear drives. (Summer 2016) (Winter 2016,2018) Compare Belt drive, Chain drive and Gear drive. Chapter:- 13   Define: Resilience, Creep, Ductility, Hardness, Elasticity, Fatigue.  (Summer 2018) (Winter 2017) Classify plain carbon steel. Compare their properties and application.(03) (Summer 2018) Classify properties of engineering material.(03) (Summer 2017,2016) List properties and application of Titaniu

        Chapter: 4                                                                                            Properties of Steam   Define the following terms: (i) Heat of superheat (ii) Degree of superheat (iii) Critical point (iv) Latent Heat. (04) (Summer 2018)   With a neat sketch explain structure and working of combined separating and throttling   calorimeter and derive the suitable equation for finding the dryness fraction of steam. (07) (Summer 2018)   Explain steam formation with figure also draw T-H diagram. (07) (Summer 2017, Winter 2018)   Define the terms 1.Melting point 2.Boiling point 3.Critical point (03) (Summer 2017) What is throttling calorimeter? Explain its limitation.  (03) (Winter 2018)  Dryness fraction of steam cannot have the value more than unity: Justify  (03) (Winter 2018)   Calculate the total amount of heat required to produce 6 kg of steam at a pressure of 6 bar and temperature of 258 °C from the water at 30 °C. Take specific heat of steam =

      Chapter:3                                                                                               Properties of Gases Define: Gas Constant, FAD (Summer 2018) Derive characteristics equation of a perfect gas with the help of Boyle’s law and Charle’s law. (03) (Summer 2018) What is adiabatic process? Prove with usual notations the law of governing adiabatic process as PV γ = Constant. (07) (Summer 2018) (Winter 2017)   Prove that Cp – Cv =R. (03) (Summer 2017,2016) Describe Isothermal process and derive expression for Workdone, Change in Internal energy, Heat transfer and Change in Enthalpy. (07) (Winter 2018)   A cylinder contains 0.6 m3 of a gas at a pressure of 1 bar and 90 °C. The gas is compressed to a volume of 0.18 m3 by the law PVn = C. The pressure of gas at the end of compression is 5 bar.   Calculate: (1)Mass of gas (2) value of index n (3) The change in internal energy of the gas. (4) Work done (5) The heat received or rejected by the gas during t