Kerala PSC Previous Years Question Paper & Answer
Page:8
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Mechanic Grade-II -State Farming Corporation of Kerala Ltd' And exam conducted in the year 2023. And Question paper code was '227/2023'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
42. The rod of length L tapers uniformly from a diameter D to a diameter B and carries an axial
load of P then the extension of the road :
(A)
(0
701,
4EDB
7೫1,
4PDB
4PL
(0)
൧൧
7011,
(0)
4DB
43. For the bars of composite section, which is true :
(A)
(0)
(0
டு)
The load carried by different materials is the same as total extension load
The young’s modulus of different materials is same
The total external load is not equal to the total sum of the load carried by different
materials
None of the above
44. The point of contraflexure will occurs when :
(A)
(0)
(0
டு)
Bending Moment changes its sign
Shear force reduces to zero
Shear force changes its sign
None of the above
45. The torsional rigidity of a shaft is equal to:
(A)
(0)
(0
டு)
Product of modulus of elasticity and polar moment of inertia
Product of Young’s modulus and polar moment of inertia
Product of modulus of rigidity and polar moment of inertia
Product of Bulk modulus and polar moment of inertia
46. The crippling load according to Euler’s theory of long column when both ends of the column
are hinged :
(A)
(0
227/2028
4n° EI
2
27
3
EL
B 7
(8) 22
EL
م 2
10 A