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Karnataka Examinations Authority PGCET Mechanical Science Question Paper : kea.kar.nic.in

Name of the Organisation : Karnataka Examinations Authority
Name of the Exam : Common Entrance Test
Subject: Mechanical Science
Year : 2015
Document Type : Question Paper
Website : https://cetonline.karnataka.gov.in/kea/

PGCET Mechanical Science Question Paper :

Time: 2 Hours
Max. Marks: 100
** Write / Darken the particulars of your identity, Test Seat Number and afix your signature on the OMR Response Sheet before the start of the ” test.

Related : Karnataka Examinations Authority PGCET MBA Question Paper : www.pdfquestion.in/13530.html

** All Questions have multiple choices of answers, of which only one is correct.
** Mark the correct answer by completely darkening only one oval against the Question number using Black Ink Ball Point pen only.

** There will be no negative evaluation with regard to wrong answers.
** Marks will not be awarded if multiple answers are given.
** Do not make any stray mark on the OMR Response sheet.

** For rough work, use blank page on the question paper.
** Taking the question paper out of the test hall is permitted only after then full duration of the test.
** Use of only non-programmable calculator is permitted.
** Start Answering Only At The Specified Time When The Invigilator Gives Instructions.

Marks Distribution :
PART — A :
Section — I 30 Questions : 30 x l = 30 Marks
Section – II 15 Questions : 15 x 2 = 30 Marks

PART — B :
Section — I 20 Questions : 20 x 1 = 20 Marks
Section — II 10 Questions : 10 x 2 = 20 Marks
Total = 100 Marks

1. HA and B are symmetric matrices, then AB — BA is a
a) Symmetric matrix
b) Skew symmetric matrix
c) Diagonal matrix
d) Null matrix

2. The order of the differential equation of all tangent lines to the parabola y = x2 is
a) l
b) 2
c) 3
d) 4

3. The strength is the ability of the material to resist
a) Deformation under stress
b) Externally applied forces with breakdown or yielding
c) Fracture due to high impact loads
d) None of these.

4. The compressrve strength ot cast iron 18 that of its tensile strength.
a) equal to
b) less than
a) more than
d) half

5. The term ‘centroid’ is
a) the same as centre of gravity
b) the point of suspension
c) the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis
d) none of these

6. In terms of Poisson’s ratio (v), the ratio of Young’s modulus (E) to shear modulus (G) of elastic materials is Principal stresses are the stresses acting normal to
a) a plane
b) an oblique plane
c) a principal plane
d) a plane having minimum shear stress.

7. The metacentric height is the distance between the
a) centre of gravity of the floating body and the centre of buoyancy.
b) centre of gravity of the floating body and the metacentre.
c) metacentre and the centre of buoyancy.
d) original centre of buoyancy and the new centre of buoyancy.

8. One poise is equal to
a) 0.1N-s/m2
b) 1N-s/m2
c) 10 N-s/mz
d) 100 N-s/mz

9. Dew point temperature is the temperature at which condensation begins, when the air is cooled at constant
a) volume
b) enthalpy
c) entropy
d) pressure

10. The efficiency of the semidiesel cycle approaches to the efdiciency of the Otto cycle when,
a) cut — off is increased
b) cut — off is decreased
c) cut — off is zero
d) cut — off is constant

11. In a closed cycle gas turbine, the air is compressed
a) isothermally
b) isentropically
c) polytropically
d) none of these

12. For a four-bar linkage in toggle position, the value of mechanical advantage is
a) 0.0
b) 0.5
c) 1.0
d) 2.0

13. The number of inversions for a slider crank mechanism is
a) 6
b) 5
c)4
d) 3

14. Endurance limit is the value of maximum stress, which a material can withstand without failure, for infinite number of cycles, when it is subjected to a