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CE1354 Design of Steel Structure B.E Question Bank : kings.ac.in

Name of the College : Kings College of Engineering
University : Anna University Chennai
Department : Civil Engineering
Subject Code/Name : CE1354 – Design of Steel Structure
Year : III
Semester : VI
Degree : B.E
Website : kings.ac.in
Document Type : Question Bank

Download : https://www.pdfquestion.in/uploads/ki…0STRUCTURE.pdf

Kings Design of Steel Structure Question Bank

Unit I

Part – A :
1. What are the merits and demerits of welded connection? :
Merits :
1. There is silence in the process of welding
2. The welding may be done quick process.

Related / Similar Question Bank :
Kings College BE (Civil) Applied Hydraulic Engineering Question Bank

De merits :
1. The members are likely to distort in the process of welding
2. The welded joints are over rigid

2. What are the properties of steel structure? :
** Physical properties
** Chemical properties

3. State the different limit state? :
** Limit state of strength
** Limit state of serviceability

4. Enlist types of Bolted connections? :
** Lap joint
** Butt joint

5. What are special considerations while designing of steel design? :
** Size and Shape
** Buckling
** Minimum Thickness
** Connection Designs.

6. Name the types of connection in steel member? :
** Riveted connection
** Bolted connection
** Welded connection

7. What are the design philosophies? :
** Working stress method (WSM)
** Ultimate Load Design(ULD)
** Limit State Design(LSD)

8.Mention the Advantages of working stress method? :
** This method is simple
** This is reasonable reliable
** As the working stresses are low, The serviceability required are satisfied automatically.

9.Mention the Advantages of Ultimate load design? :
** Redistribution of internal forces is accounted
** It allows varied selection of load factors

10. What is meant by lap joint? :
It is the simplest type of joints. In this the plates to be connected overlap one another.

11.What is meant by Butt joint? :
In this type of connection two main plates a butt against each other and the comnnection is made by providing a single cover plates connected to main plate or by double plates, one on either side of connected to the main plates.

12. What are the types of welded joints? :
** Butt weld
** Fillet weld
** Slot weld and plug weld.

PART – B (16 Marks)
1. Apply KCL and KVL to the circuit shown in fig.
2. Find the current through branch AB by using superposition theorem.
3. Find the current through 5 ohm resistance using Superposition theorem.
4. Find the current through 10 ohm resistance using Nortan’s theorem.
5. Find the Current (I) in 20 Resistance using Thevenin’s theorem
6. Find the resistance between A & B , A & C
7. Consider the following network as shown in figure. Determine the power observed by the 6

Unit II

Transisent Response And Resonance In Rlc Circuits :
PART – A (2 Marks) :
1. What is significance of initial conditions?
2. Write a note on initial conditions in basic circuit elements.
3. What is time constant?
4. Write a note on under damped, over damped and critically damped systems.
5. Define (i) rise time, (ii) time delay in respect of step response of second order system.
6. What do you mean by resonance?
7. What is Q-factor?
8. What is anti-resonance?
9. Find the value of Q-factor for an Inductor & Capacitor.

PART – B (16 Marks) :
1. Derive an expression for step response of series R-L circuit.
2. Derive an expression for step response of series R-C circuit.
3. Explain about current decay in source free series R-L circuit.
4. In how many seconds after t=o has the current i(t) become one half of its initial value in the given circuit shown in fig.

Unit III

Semiconductor Diodes :
Part – A (2 Marks) :
1. What is charged particle? Define the unit of the charge.
2. What are the applications of CRO?
3. What is valance band?
4. What is covalent band?
5. What is forbidden band?
6. Explain semiconductor types?
7. Define energy level and energy band.
8. What is Fermi level?
9. What is a semiconductor?
10. What is meant by electron –hole pair?
11. What is p-type semiconductor?
12. What is doping?
13. What is hole current /electron current?
14. Define law of mass of action
15. What is drift current?
16. What is diffusion current?
17. What is forward and reverse resistance of a diode?
18. What is cut in voltage of a diode?
19. What is switching characteristics of diode?
20. What is Zener break down voltage?
21. Give the expression for transition capacitance of a diode (CT ).
22. What are applications for zener diode?

Part – B (16 Marks)
1. Explain the theory of PN junction and explain how it acts as diode?
2. Derive the diode equation of the diode
3. Explain and derive the current components and switching characteristics of diode?
4. Derive the expression for transition and diffusing capacitance.
5. Explain the Zener diode and it’s breakdown mechanism?

Unit IV

Transistors :
Part – A : (2 Marks)
1. Define Transistor
2. Define transistor action
3. Define delay time
4. Define rise time and fall time.
5. Define turn on and turn off time
6. Define power transistors.
7. Define current amplification factor in CC transistor.
8. What are the values of input resistance in CB, CE & CC configuration?
9. What are the advantages of FET?
10. What is a bias? What is the need for biasing?
11. What do you understand by DC and AC load line?
12. What is meant by operating point Q?
13. What are all the factors that affect the stability of the operating point?
14. Define Stability factor S.
15. Why voltage divider bias is commonly used in amplifier circuits?
16. How FET is known as voltage variable resistor?
17. How self bias circuit is used as constant current source?
18. What is thermal runaway?
19. Why self-bias technique is not used in enhancement type MOSFET?
20. What are handling precautions for MOSFET?
21. In which region the JFET act as a simple resistor and why?
22. Why FET is called as voltage controlled device?
23. Define the channel width of JFET.
24. Define Base spreading resistance.
25. Write the advantages of N channel MOSFET over P channel MOSFET
26. Write the characteristics of JFET
27. What is pinch off voltage?

Part – B (16 Marks) :
1. Explain the transistor action.
2. Explain the operation of BJT and its types?
3. Write comparisons of CC, CE, and CB configuration?
4. Explain the breakdown in transistor.
5. Explain the transistor switching times.
6. Explain the operation of JFET
7. Derive MOSFET and explain its enhancement?

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