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Define the term welding? What is the importance of welding? Categorize the types of welding?
Describe what an Electric Drive is and describe different types of Electric drives.
What do you mean by the term armature reaction? Describe the effect of armature reaction on the terminal voltage of an alternator at:
What are the benefits and drawbacks of using short – pitched winding and distributed winding in alternator?
Distinguish between Asynchronous counter and synchronous counter? Design a 4-bit counter in synchronous mode.
Design 4:1 Mux with logic diagram and symbolic representation.
Describe with neat diagram interfacing of TTL gate and CMOS gates.
If the maximum output voltage of a 7-bit D/A converter is 25.4V. What is the smallest change in the output as the binary count increases?
Describe the temperature control system concepts by using open loop as well as closed loop system.
Describe the functional units of a computer and describe each unit in detail. Convert the given numbers with the indicated bases to decimal:
Describe the statements and importance of second law of thermodynamics and corollaries.
What do you mean by the term quasi static process? What are its characteristic features?
Determine the governing relation to find out the shear stress in beams. Deduce a relation for the shear stress across a rectangular section. Find out the maximum value of shear stress?
A 6 m long cantilever carries loads of 2 kN and 3 kN at 2m and 5m correspondingly from fixed end and a UDL of 10 kN/m over its whole length. Draw the shear force and bending moment diagrams.
Define the terms: Elasticity, elastic limit, Young’s modulus and modulus of rigidity.
Describe any three devices which are used for high pressure measurement with proper diagrams.
Implement both encryption AND decryption of the Vigenere cipher with 26 English letters and 1 space characterAdd a cgi interface to this cipher.
Design and draw a circuit by using cascade system to operate two cylinders A and B which, on the operation of a start valve, produces the sequence A – B + B – A+.
The self-weight of the beam itself might be neglected when computing the maximum moment.
Solve the questions of the beam ABCD. Note that A is a fixed end; B is a pin connection; C is a roller support; and D is a free end. Draw the quantitative influence line for the bending moment at poin
Calculate the total drill and blast cost based on the following blasting costs:Explosives $550.00/tonne, Blast initiation $11.30/blasthole, Blast labour $80.00/tonne of explosive.
Ziegler-Nichols Open Loop Tuning. Often, when working with a faster loop, many people will opt only for a PI control philosophy. Calculate PI parameters the you would use bearing in mind that one of
In the introduction, we stated that design is driven by change and need. Some of these drivers are the requirement for safety, efficiency, energy etc. You need to undertake a design analysis on the
Calculate the horizontal deflection of joint D produced by both the load and fabrication error (bar AE is 30mm too long).
Figure below shows a pneumatic circuit in which four actuators are controlled.