Name of the Organization : Human Resource Development Group Council of Scientific & Industrial Research
Name of the Paper : CSIR-UGC National Eligibility Test
Name of Subject : Engineering Science
Part : B & C
Document Type : Model Question Paper
Location : Delhi
Website : csirhrdg.res.in
Download Model/Sample Question Paper : https://www.pdfquestion.in/uploads/csirhrdg.res.in/7069-en_mp.pdf
Sample Questions Of Engineering Sciences
The question paper of Engineering Sciences will comprise of three parts viz. Part A, Part B and Part C. Part A which contains 20 questions (15 to be answered) will be common to all subject of science and engineering.
Related : CSIR HRDG UGC NET Life Science Question Paper Model National Eligibility Test : www.pdfquestion.in/7068.html
Part B will have 25 questions (20 to be answered) from Mathematics and Engineering Aptitude. In Part C there will be 7 subject-areas with 10 questions in each subject. The candidates will be required to answer any 20 questions out of 70. For more details please visit the scheme of examination and syllabus which are already available on our web. Here are some sample questions of Part B and Part C.
PART B :
MATHEMATICS AND ENGINEERING APTITUDE :
Q.1 The determinant o f an orthogonal matrix of size 5 × 5 can be:
(1) –1 (2) 0 (3) 5 (4) 25
Q.3 Let S be the spher e x2 + y2 + (z – 1)2 = 9 and F : S – R3 be such that F(x, y, z) =xi + yj+ (z –1)k for all (x, y, z) ? S. Let ?? denote the unit outward normal to the surface S.
Q.8 An amplitude mod ulator has modulating input m(t) and carrier c(t) given as m(t) = cos(100pt)+ sin(4000pt), c(t) = sin (2pft), where f = 10 MHz. An envelope detector used for demodulation of the output signal to recover the modulating input should have time constant t given as
(1) 0.1 µs << t (2) t << 0.5 ms
(3) 0.1 µs << t << 0.5 ms (4) 0.1 µs << t << 20 ms
Q.9 A digital-to-analo g converter has output range of + 3.5 V and a resolution of approximately 7 mV. Number of bits in its digital input is
(1) 8 (2) 9 (3) 10 (4) 11
Q.10 The following FE T amplifier(s) has (have) in-phase relationship between input and output
(1) Common source (2) Common gate
(3) Common drain (4) Common gate, Common drain
Q.11 Face centered cub ic structure exhibits
(1) 4 octahedral sites and 3 slip systems
(2) 12 octahedral sites and 12 slip systems
(3) 4 octahedral sites and 12 slip systems
(4) 12 octahedral sites and 48 slip systems
Q.12 The magnitude of activation energy of volume (Qv), grain boundary (Qgb) and surface (Qs) diffusion are in the order
(1) Qgb > Qs> Qv (2) Qs > Qgb> Qv
(3) Qv > Qgb> Qs (4) Qgb > Qs> Qs
Q.13 A static fluid can h ave
(1) non-zero normal and shear stress
(2) negative normal stress and zero shear stress
(3) positive normal stress and zero shear stress
(4) zero normal stress and non-zero shear stress
then the fluid element will undergo
(1) translation only (2) translation and rotation
(3) translation and deformation (4) rotation and deformation
Q.15 A cannon ball of mass m is shot at an angle ? from the horizontal on a level surface at a speed V as shown. Assume that there is no air drag on the cannon ball. What are the directions of accelerations on the cannon ball at locations A, B and C shown in the Figure?
(1) A: Upwards
B: Neutral
C: Downwards
(2) A: Tangential
B: Tangential
C: Tangential
(3) A: Downwards
B: Downwards
C: Downwards
(4) A: Upwards
B: Upwards
C: Upwards
Q.16 A pinned two-bar mechanism shown is constrained by a pin-joint at A and a roller moving horizontally at B. The lengths of the bars AC and BC are each L. If the roller B is moved horizontally away from A by a small amount ?, what is the magnitude of the downward movement of joint C?
Q.17 Air is compressed from an initial state of 100 kPa and 17oC to a final state of 600 kPa and 57oC. Rair = 0.287 kJ/kgK, Cv,air = 0.718 kJ/kgK. The entropy change of air during the process in kJ/kgK is
(1) 0.385 (2) – 0.385 (3) 0.421 (4) – 0.421
Q.18 In a perfectly insulated, steady flow type of an electrical water heater, 0.1 kg/s of liquid water is heated from 27oC to 60oC. Assume water to be incompressible with a specific heat of 4.2 kJ/kgK and the surrounding temperature to be equal to 27oC. The second law efficiency of the water heater is
(1) 5.13 % (2) 34.67 % (3) 94.87 % (4) 100 %
PART C :
Sample Questions :
Computer Science And Information Technology :
1 . In the heap shown in2 Figure 1, inserting 80 and deleting 25 results as shown in Figure 2. The values in nodes marked X and Y are
(1) X = 35, Y = 80 (2) X = 50, Y = 75
(3) X = 80, Y = 50 (4) X = 30, Y = 80
3. Given a single transistor dynamic memory cell, assume that the capacitance is 50 femtofarads (femto = 10-15), leakage current through the transistor is about 9 picoamperes (pico=10-12). The voltage across the capacitor when it is fully charged is equal to 4.5 volts. The cell must be refreshed before this voltage drops below 3 volts. Estimate the minimum refresh rate
(1) 8 milliseconds (2) ) 80 milliseconds (3) 8 seconds (4) 80 seconds
4. What is the effective access time for demand-paged memory if the memory access time is 100 nanoseconds with the probability of a page fault of 0.01, and page fault service time being 10 milliseconds?
(1) 100099 nanoseconds (2) 9999 nanoseconds
(3) 100 nanoseconds (4) 0.1 nanoseconds
ELECTRICAL SCIENCES :
5 . A 400 V, 50 Hz, 14 80 rpm, 3-phase squirrel cage induction motor having negligible starter series impedance is found to run at a speed of 1520 rpm while driving a certain load while rated voltage and frequency are applied to its stator terminals. The rotational losses of the machine are negligible. The machine is operating under
(1) motoring mode while developing rated torque
(2) regenerative mode while developing half the rated negative torque
(3) regenerative mode while developing rated negative torque
(4) unstable mode of operation
6 . An R-L load is recei ving power from a source through a feeder having negligible impedance. The load voltage is VL and the real power supplied by the source is PS. Now, a capacitor is connected across the load. The load voltage and the real power supplied by the source in the presence of capacitor are VL1 and PS1 respectively. Which one of the following statement is true?
(1) VL1= VL and PS1 = PS (2) VL1> VL and PS1 < PS
(3) VL1< VL and PS1 < PS (4) VL1< VL and PS1 > PS
A processor has an instruction XOR R1, R2. It performs Exclusive OR operation on registers R1 and R2 and stores the result in register R1. Starting with certain contents in the two registers, the following sequence of operations are executed
XOR R2, R1
XOR R1, R2
XOR R2, R1
The following is TRUE about the register contents
(1) Content of R2 is sum of the original contents of R1 and R2.
(2) Content of R2 is half of the sum of the original contents of R1 and R2.
(3) Contents of R1 and R2 have been swapped.
(4) None of the above.
It is to be cascaded with a second discrete-time causal stable system with impulse response h2(n) such that the cascaded system is a causal stable all-pass system. We should have
(1) h2(n) = -d(n) + ad(n–1) (2) h2(n) = ad(n–1)
(3) h2(n) = a-nu(n) (4) h2(n) = d(n) – a-nu(n)