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What is polytropic process ? Under what conditions it approaches isobaric, isothermal, and isometric process ? In which reversible process no work is done ?
1237Out of constant pressure and constant volume lines on ts diagram which line has higher slope ? And whether slope is constant or variable ?
1401What is the use of flash chamber in a vapour compression refrigeration cycle to improve the cop of refrigeration cycle ?
1106Post New Mechanical Engineering Questions
What is the difference between alpha iron, delta iron and gamma iron ?
What is the purpose of starting air?
Explain how is a submarine able to submerge and surface?
I want to know flow rate,max pressure drop,heat load,design pressure,test presurre,temp both inlet and outlet of coldside and hot side of 1,2,3,5,5.5,7.5,10,12,15 tons
What is gtsc technology?
Is it ABS AH 36 material equivalent to IS 2062 Gr B material.
Define emissivity.
2. Dry saturated steam at 3.5 bar is expanded through a convergent nozzle to 2.2 bar. The exit area is 5 sq. cm. Calculate the exit velocity and mass flow rate, assuming isentropic expansion and super saturated flow. b) A cast iron cylinder head is fastened to a cylinder of 750mm bore with 12 stud bolts. The maximum pressure inside the cylinder is 3 Mpa. The stiffness of part is thrice the stiffness of the bolt. What should be the initial tightening load so that the point is leak proof at maximum pressure? Also choose a suitable bolt for the above application 2 The propeller shaft of a marine engine is to transmit 600 kW at 1200 rpm, without a significant bending. The efficiency of the propeller is 88% at 32 knots ( 1 knot = 1085 km/hr). If the slenderness ratio is less than 50 and the permissible shear stress should not exceed 65 Mpa. Determine the diameter of shaft. 3 A semi-elliptic leaf spring consists of two extra full-length leaves and six graduated length leaves, including the master leaf. Each leaf is 7.2 mm thick and 65 mm wide. The centre-to-centre distance between the two eyes is 1.3m. The leaves are pre-stressed in such a way that when the load is maximum, stress induced in all leaves are equal to 380 N/mm sq. Determine the maximum force that the spring can withstand
how can we calculate the size of bearing with the size of plummer block?
why desuperheater tubes are bend in shape
Pls tell me the diff bw impulse turbine and reaction turbine
why not soot blowing performed of air preheater, while soot blower is in retract position?
Steam turbine (function an parts)
Explain the types of sensors and their explanation?
What is the normal vacuum pressure in a steam turbine atmospheric condenser? What would cause the press to falls?
