RINL Visakhapatnam steel Plant
Hi,
I went through RINL paper in mechanical stream. There were 70 techanical+80aptitute questions total time was 2.5 hours. times was more than sufficient. I finished my paper within 2 hours. questions in technical section was from strength of materials, springs, rivet joints,2 question from welding. nearly 50 question out 70 were from first two chapter of KHURMI-GUPTA objective mechanical.
1) Spring in clutch & brake is used for
a)apply force b) absorbing shock c) power transmission d)none
2) In spring force per unit deflection is known as
ans) spring stiffness
3) For shock absorbing which spring is used
a)closed coil helical spring b) open coil helical spring c)leaf spring d)none
4) Change in length to original length is known as
Ans) strai
5) What is resilience
6) Energy stored in a body due to its position is known as
Ans) potential energy
7) Force applied on a body can cause
a) retardation in body b) internal stress c) d)all
8) Suddenly applied load is_______times gradual applied loads.
Ans) Two times
9) Hoop stress is_____________times longitudinal stress.
10) Design of thin pressure vessel is based on
a) Hoop stress
b) Longitudinal stress
c) Geometric mean of hoop and longitudinal stress.
d) Arithmatic mean of hoop and longitudinal stress
11) What is slenderness ratio is
Ans) l/k
12) If slenderness ratio is less than 80 columan is known as
Ans) short column
13) Eulers formula holds good for
a)short column b) long column c) botn short and long d)none
14) Rankine formula holds good for
a)short column b) long column c) botn short and long d)none
15) Formula for change in length
Ans) PL/AE
16) Linear stress is to linear strain is known as
Ans) young`s modulus
17) Distance between two rivets in known as
Ans) pitch
18) Distance between center of hole and edge of plate is known as
Ans) Margin
19) Failure of rivet joint is take place by
a) shear b) crushing c) break of rivet on one side of plate d) all
20) In which welding process consumable electrode is used
Ans) MIG
21) Breaking stress is ___________than ultimate stress
Ans) less
22) Tensile test is perform of________
Ans) Ductile material
23) Compressive test is performed on________
Ans) Brittle material
24) In ductile material tensile strength is_______compressive strength.
a) less b) more c) equal d) not
25) Stress is directly proportion to strain upto__limit
Ans) Elastic limit.
26) Beyond elastic limit
a) strain increases faster than stress b) stress increases faster than strain c) both at equal rate d)
27) Unit of power
Ans) watt
28) In SI system unit of stress is
a) N/mm^2 b)kN/m^2 c) MN/m^2 d)all
29) Unit of work
Ans) N-m
30)1 Watt is equal to
Ans) 1 J/s
31) Efficiency of a machine is
a) output/input
b) work done by machine /work done on machine
c) mechanical advantage/velocity ratio
Ans) all
32) Lifting machine is
a) Reversible machine
b) Non reversible machine
c) Ideal machine
d) None
33) Finding resultant of forces is known as
Ans) Composiotion
33) Centroid is a point
a) Same as Center of gravity.
b) Where all the forces of resultant act
c)
d)
34) Moment of inertial of rod about center of gravity is to M.I. about one of its end is_____
35) Moment of inertia of a body is
a)second moment of mas
b)
c)
d)
APTITUTE SECTION
1) Meaning of flinth
2) Meaning of hypocrisy
3) Opposite of pseudo
4) 2008 man booker prizer winner
Ans) Arvind adiga
5) South african president zacob zuma is of which caste?
some questions were on maths,data interpretation,fill in the blanks with correct words,odd man out,series etc.