DGE301 Basics of Engineering DGE Question Paper : tmu.ac.in
University : Teerthanker Mahaveer University
College : Teerthanker Mahaveer Polytechnic
Degree : DGE (Diploma in Corporate Management)
Subject : DGE301 Basics of Engineering
Semester : I
Document Type : Question Paper
Website : tmu.ac.in
Download Previous/ Old Question Papers :https://www.pdfquestion.in/uploads/tmu.ac.in/5736-oldquestionpolytechnic201011.pdf
Basics of Engineering :
POLYTECHNIC (LATERAL) I SEMESTER EXAMINATION 2010-11
Course Code : DGE301
Paper ID: 0551115
Related : Teerthanker Mahaveer University DCE301 Building Material DCE Question Paper : www.pdfquestion.in/5726.html
Time : 3 Hours
Max. Marks: 75
Note : All students would attempt Section A and Section B. Students of Civil Engineering would attempt Section C and of Mechanical Engineering would attempt Section D.
Section (A) :
Q. No. 1 is compulsory. Attempt any two from rest of the questions.
1. Attempt any two parts. (2.5×2=5)
a) The MKS unit of Charge is called…………….
b) The dimensions of electrical conductivity are………………
c) Transformer works in the principle of ……………….
2. What do you mean by the potential energy of a system of charges- Derive energy expression for two point charges separated by a distance. (10)
3. Explain Kirchhoff’s rules with the help of a neat diagram. (10)
4. A town situated 20 km away from a power plant generating power at 440 V, requires 600 kW of electric power at 200 V. The resistance of the two-wire line carrying power is 0.4 /km. The town gets power from the line through a 3000-220 V step-down transformer at a substation in the town. (10)
a) Estimate the line power loss as heat
b) How much power must the plant supply, assuming no power leakage.
Section (B)
Q. No. 1 is compulsory. Attempt any two from rest of the questions.
1. Attempt any two parts. (2.5×2=5)
a) The process of adding impurity to an intrinsic semiconductor in a
b) The diffusion current in a p-n junction is …………
c) The three parts of transistor are…………
2. Explain in detail carbon resistors and color code. (10)
3. Draw a circuit diagram for p-n junction diode in forward bias. Sketch and discuss the voltage versus current graph for the same. (10)
4. Give the symbols of p-n-p and n-p-n transistors. Show the biasing of an n-p-n transistor and explain transistor action. (10)
Section (C)
Q. No. 1 is compulsory. Attempt any two from rest of the questions.
1. Attempt any two parts. (2.5×2=5)
a) The unit of fluid pressure is ……………..
b) The Bernoulli’s equation in the case of study and ir-rotational flow can be given as ………………
c) Work is a function of a ……………….
3. How heat engines and refrigerators are characterized- Explain with the help of schematic diagrams. (10)
4. Discuss all types of Links for transmission of energy. (10)
Section (D)
Q. No. 1 is compulsory. Attempt any two from rest of the questions.
1. Attempt any two parts. (2.5×2=5)
a) Define principles of surveying.
b) What is bearing capacity of soil-
c) Briefly explain role of Remote Sensing in GIS.
2. What do you understand by Bonds in the brick masonry- Also explain
3. What do you understand by classification of soil- (10)
4. Draw cross section of a two storied building from foundation to parapet wall. (10)
Diploma in Engineering III (Third) Semester Examination 2011-12 :
Course Code : DEE301
Paper ID : 0753109
Electrical Circuit and Analysis :
Time : 3 Hours
Max. Marks : 60
Max Marks : 75
Note : Attempt six questions in all. Q. No. 1 is compulsory.
1. Answer any five of the following (limit your answer in 50 words). (3×5=15)
a) Find the voltage Vab in the network shown in fig. (1)
b) State the superposition theorem applicable to DC networks.
c) Find the thevenin voltage Vx in the circuit shown in fig. (2).
d) Determine the impedance, line current and phase angle in the circuit shown in fig (3).
e) Find the value of ZL for which the sources delivers maximum power, the circuit shown in fig.(4). Also calculate the value of the maximum power.
f) Determine the resonance frequency, voltage across the capacitor at resonance and Q factor of the circuit shown in fig. (5).
g) For balanced star-connected and delta-connected system, write equations for line voltages and current in terms of phase voltages and currents.
h) The readings of two wattmeters are 300 W and 100 W. Calculate the value of power factor of the circuit.
2. Find I1 and I2 using mesh analysis in shown fig. (6). (9)
3. Briefly explain Thevenin’s theorem along with its limitations. Obtain the Thevenin’s equivalent across the terminals ab in the circuit shown in fig.(7). (9)
4. Using super position, find the current I, in the circuit shown in fig. (8). (9)
5. Briefly discuss the maximum power transfer theorem applicable to AC networking along with it efficiency. And also discuss the case when resistive part of the load impedance is only variable. (9)
6. Briefly discuss series resonance along with nature equivalent impedance at resonance, below resonance and above resonance. Also discuss half-power frequencies, and band-width of the circuit. (9)
7. In the network shown in fig. (9). Find the source voltage V1 for which the current in the V source is zero. (9)
8. Reading of 4616 and 2308 watts are obtained, when the two wattmeter method is used on a balanced load. Find the delta connected load impedance, if the system voltage is 200V. (9)