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

0 Answers  

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explain bearing nomenclature with example.

2 Answers   Alfa Laval, Khanna Paper Mills,

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any one have amw(ASIAN MOTOR WORKS) QUESTION PAPERS OF PREVIOUS PLS SEND ME AT mahendra_yalavarthi@yahoo.com

0 Answers  

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1.how to Ask the result After the interview gone? 2.please send me the interview questions of unigraphics,IDEAS,solidworks,autocadd,and mechanical design. to my mail id austinsobanam@gmail.com

0 Answers   Ashok Leyland, Bhel,

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defination of vibration

4 Answers  

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why the frequency of natural vibration is always greater than the forcedd vibration.??

0 Answers   Jindal,

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how to select the capacity of an exhaust blower( exhaust booth) in an automobile industry.

0 Answers   MSP, TATA,

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What is BMS?

3 Answers  

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Explain the difference between projectile motion and trajectory?

0 Answers  

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What is blast furnace

0 Answers   JREW, TATA,

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what is mechanical advantage

6 Answers   Jindal,

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hi friends any body please help me i am going to write rrb examination for tecnical trade mech. pls tell me perfect authour name and publicataions for rrb objective type mech engg or any other options to prepare

2 Answers   IUAC, RRB,

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