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1 A hydraulic pump generates 240W and supplies hydraulic fluid at a rate of 5.1l/min to a linear actuator which has a bore size of 50 mm and a double piston rod diameter of 20mm. If the efficiency of the system is 85%, determine:
(a) The pressure exerted on the piston
(b) The force on the piston
(c) The velocity pf the piston
2 A hydraulic linear actuator with a bore size of 110mm and a piston rod diameter of 30mm is to transmit a force of 8.8kN and move with a velocity of 12m/min.
Determine:
(a) The power in kW
(b) The fluid pressure
(c) The fluid flowrate
3 (i) in a hydraulic system, fluid is pumped at a rate of 36l/min. The diameter of the main supply is 32mm and at the user point, it is 16mm diameter. Determine the velocity through the pipes.
(ii) If the system in (i) drives a 40mm diameter hydraulic actuator, calculate the speed of the actuator in mm/min.
design
The auto component sector has also posted significant growth of 20 percent in 2003-04, and achieved a sales turnover of Rs. 30,640 crore (US$ 6.7 billion). Further, there is a pote
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Method:- Using the constant velocity joint attaching to spindle. U-joint is a joint used to attach two non parallel non intersecting shafts, and it can transfer power at angle
(i) Describe Poisson's Ratio. (ii) A circular rod of 100mm diameter and 500 mm length is subjected to a tensile force of 1000 KN. Calculate the modulus of bulk modulus, rigidity
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Larson-Miller parameter: For material of example of calculate life in hours at temperature of 900oC, and at σ = 20 MPa. Solution Larson-Miller parameter is given by
What is moment about an axis ?
The press tressed bridge structure would look like as shown below, The following factors influences the decision to select the particular prestressing, 1/Span of br
Objectives After studying this section, you should be capable to: define basic nature of plastics, differentiate between various types of plastics, define polym
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