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What are the advantages of three phase system over one phase system?
State coplaner concurrent and non concurrent force. Describe free body diagrams.
What is the role of a clutch? Describe the different factors affecting the torque Transmission in a Clutch.
Describe Zeroth law of thermodynamics. Derive the expression for the efficiency of an engine working on otto cycle.
Suppose that you are employed by a company which manufactures hydraulic servomechanisms.
The internal customer has asked you to list all the factors which you would take into account in choosing a rotary electrical actuator for the mechatronic application. Provide the list for them.
Draw a ladder diagram to symbolize the software program which must be installed in the program memory of the PLC. Recognize the elements on the rungs by abbreviations.
Propose an appropriate sensor and justify your recommendation. Sketch a diagram which shows the functional blocks in the sensor and describe each function.
Propose a flow sensor, describing its operating principle.
The mass M shown in figure below is to be held in position by two hydraulic pistons (A and B) that exert forces F1 and F2 (correspondingly) to the mass. The total for FT (where FT = F1 + F2) is to
Illustrate whether this is open or closed loop control, provide reasons to support your answer.
Supposing that the bare thermocouple behaves as a single transfer lag system, find out the mathematical relationship between the temperature (T) and time (t).
In brief explain the meaning of the term mechatronics both in terms of the system’s approach and the technology comprised.
Name the materials which have the highest value of Young’s Modulus of Elasticity?
550J of heat energy is transferred to the system that does 400J of work done. By how much does the energy of system's thermal modify?
Determine the maximum possible thermal efficiency of the power plant?
What do you mean by the expression ‘static equilibrium’? Illustrate the three conditions which must be accomplished in order for static equilibrium to exist?
Illustrate the general beam bending equation and state what each symbol in the equation symbolizes and as well the empirical units of measurement for each term.
A cantilever beam is 6 m long and consists of a point load of 20 KN at free end. The flexural stiffness is 110 MNm2. Compute the slope and deflection at free end.
A simply supported beam is 4 m long with UDL of 200N/m. The flexural stiffness is 100 MNm2. Compute the slope at the ends and deflection in the middle.
A cantilever beam is 6 m long and consists of a point load of 800 N at free end and a UDL of 400N/m all along its whole length. Compute the flexural stiffness if the deflection id 1.5 mm downward at
The beam of length 10m is symmetrically placed on the two supports 7 m apart. The loading is 15KN/m between the supports and 20KN at each end. Determine the central deflection of the beam?
Find out the minimum acceptable wall thickness by using thin cylinder theory.
Write a detailed note on Dunkerby’s lower bound method for finding fundamental frequency.
Vertical spring mass system has a mass of 0.5 kg and the initial deflection of 0.2 cm. Determine spring stiffness and natural frequency of the system.