MURUGAPPA GROUPS CAMPUS MODEL QUESTION PAPER
Pattern:
Technical-100Q in 30M,
Verbal-20Q in 20M,
Quantitative-10Q in 10M,
Analytical-10Q in 10M,
Psychometry-60Q unlimited time
VERBAL SECTION:
Animosity,
Callous, Prosaic, Hedonistic, Chimerical, Bigotry,Air
ANALOGIES:
Anarchy:
Government, Philatelist: Stamps, Stoke: Smother,
Corrosion:
Metal, Actor: Troupe
Quantitative:
- A vehicle covers a dist. Of 300 kms. If it’s velocity is increased by 5 kmph, it takes 2 hours less A) Intial vel=22kmph B) initial vel>22 kmph
- 2x-2=y; x&y are integers. Which among x&y is greater?
- h=7m, D=48m, Fence cost= Rs 2.80 per sq.m. find cost of the fence?
- 9.5*0.85/19*17 = ?
- A) 204/121*100 B) 380/121*1000
- A no. which leaves remainder of ‘1’ when divided by 1,2,3,4,5 A) greater than 60 B) 60
- Jessy had sold 80% of the total items she had (she had 2 types of items) Type1:sold at 1$per item Type2: sold at 3& per item. Total revenue she got from the sales was 32$. How much she had in the beginning before sales.(value of total items=?)
- Bar diagram was given related to physicians. Ratio of male to female physicians=90%…………(check)
Technical
1. a
perfect gas a. has zero viscosity b. has constant viscosity c.
satisfies the relation PV = MRT(ans) d. is incompressible
2.
density in terms of viscosity is a. kinematic viscosity/ dynamic
viscosity b. dynamic viscosity/ kinematic viscosity(ans) c.
kinematic viscosity x dynamic viscosity d. any of the above
3.
Reynolds number for pipe flow is given by: a. VD/v b. VD µ/d c.
VD?/µ(ans) d. VD/µ
4. a
barometer is used to measure a. very low pressures b. very high
pressures c. pressure difference between two points
d.
atmospheric pressure(ans)
5. a
Kaplan turbine is suitable for a. high head low discharge b. high
head high discharge c. low head low discharge d. low head high
dischage
6. in a
centrifugal pump installation while starting, the position of
delivery valve is a. fully open b. fully closed c. half opend. more
than half open
7. an
air vessel is provided at the summit in syphon to a. regulate the
flow b. increase discharge c. increase velocity d. avoid an interrupt
in the flow
8. a
material which recovers fully after unloading but not instantaneously
is known as a. plastic b. elastic c. partially elastics d. anelastic
9. the
loss of strength in compression with simultaneous gain in strength in
tension due to over loading is known as a. hysteresis
b. inelasticity c. creep d. boeschinger effect
10. the
modulus of rigidity is defined as a. the ratio of true stress to true
strain b. the ratio of shear stress to shear strain c. the ratio of
longitudinal stress to longitudinal strain d. the ratio of twisting
moment to cross sectional area.
11. for
a thin cylinder the ratio longitudinal stress/hoop stress is a. ½ b.
1 c. 2 d. 4
12. if
two forces of magnitude P act as an angle, ? their resultant will be
a. 2P cos?/2 b. 2P sin? c. 2P cos? d. p cos 2?
13. the
angle of projection a of a projecticle is double the angle of
inclination of the plane on which a particle is projected. The ratio
of timeof flights on the upward inclined plane and downward inclined
plane will be equal to a. 1/cosa b. 1/2cosa c. 1/sina d. 1/2sina
14. the
center of gravity of circular cone lies on the axis at a height from
base:a. h/4 b. h/3 c. 3h/4 d. 3h/5
15. the
slope of constant pressure line on temperature entropy diagram is
give by a. S/T b. T/S c. Cf/T d. T/Cf
16. the
fact that the product of pressure and volume of a fixed amount of gas
is of approximately constant value is known as: a. charle’s law b.
Gay lussac’s law c. Dalatons law d. None of the these
17. the
net work done in a polytropic process is equal: ans is P1V1 –
P2V2/(n-1)
18. for
a reversible adiabatic process the change in entropy is a. zero b.
minimum c. maximum d. infinite
19. otto
cycle consists of the set of processes as a. two isentropics and two
constant volumes b. two isentropics and two constant pressure
c. two
adiabatic and two isothermal d. two isothermal and two constant
volume
20. in a
2 stroke engine we get one power stroke in a. 180 degree of crank
rotation b. 270 degree of rotation c. 360 degree of crank rotation d.
540 degree of crank rotation
21.
latent heat is a. heat that does not follow first law of thermo
dynamics b. heat required to change the substance from solid to
gaseous state c. heat required to change the state of substance from
liquid state to solid state d. heat required to change the state or
condition under which the substance exists
22. the
vapour pressure is related to the enthalpy of vaporization in; a.
clausius clapeyron equation b. henrys law c. raoults law
d. maxwells equation
23. an
optical pyrometer work on the principle of a. expansion of fluids b.
change of electrical resistance c. thermo electric effect
d.
mono chromatic radiation
24.
octane number of petrol generally available is in the range a. 10-25
b. 25-60 c. 20-75 d. 80-100
25. on a
psychrometric chart sensible heating or cooling is represented by: a.
a horizontal line b. a vertical line c. inclined line d. curved line
26. dry
ice is a. free from water b. free from dissolved air or gases c. does
not contain impurities d. solidified form of carbon dioxide(ans)
27. a
diffuser is used to a. increase velocity and decrease pressure b.
increase velocity as well as pressure c. decrease velocity and
increase pressure(ans) d. decrease velocity as well as pressure
28. air
fuel ratio for a gas turbine is closer to a. 10:1 b. 15:1 c. 20:1 d.
60:1(ans)
29.
chocking is a. variation of mass flow rate in proportion to pressure
ration b. variation of mass flow rate in inverse proportion to
pressure ration c. fixed mass flow rate regardless of pressure
ration(ans) d. none of these
30.
kinematics of machines deals with a. apparatus for applying
mechanical power b. number of inter related parts c. the forces
acting on the parts of the machine d. the relative motion between the
parts neglecting the consideration of the force(ans)
31.
dynamic of machines deals with a. the relative motion bet. The parts,
neglecting the consideration of forces b. the forces acting on the
parts of the machine.(ans) c. The apparatus for applying mechanical
power d. The number of inter related parts, each having a definite
motion
32. a
cycle chain is a kinematic chain a. yes b. no c. yes, provided the
links are limited in number d. yes, provided the distance is limited
33. the
total number of instantaneous centers for a mechanism of n links is
:a. n b. n/2 c. n(n-1) d. n(n-1)/2(ans)
34. the
number of links in a pantograph is equal to a. 3 b. 5 c. 4(ans) d.
6
35. In a
cam and follower mechanism, for the uniform velocity of the follower,
the displacement curve will have a. no slope b. constant slope(ans)
c. slope in positive direction only d. slope in both positive and
negative direction
36. a
point on a link connecting double slider crank chain traces a a.
straight line path(ans) b. circular path c. parabolic path
d.
elliptical path
37. the
number of instantaneous centers for a four bar chain mechanism would
b a. 3 b. 4 c. 5 d. 6(ans)
38. the
maximum efficiency along an inclined plane is a. 1- sin?/1+sin?(ans)
39. can
simple band brake be made self energizing type a. yes b. yes, but
with few limitations c. yes, but will require several modifications
d. no
40. the
function of a governor is a. to control the engine speed b. to
maintain the speed of engine constant c. to maintain constant piston
speed of engine d. to maintain the speed of an engine within
prescribed limits of varying load conditions
41. if
n1 and n2 are the max. and min. equ. Speeds then sensitiveness of
governor would be a. n1+n2/2n1 b. n1+n2/2n2 c. n1-n2/2n1
d.
n1-n2/2(n1+n2)
42. the
advantages of involute profile over cycloidal are given below.
Identity if there is any incorrect statement a. the straight the
teeth of the basic rack for the involute profile admits of simple
tools b. the profile for the flank and face is a single curve in the
involute system
c. the
variation in the center distance within limits does not affect the
two mating gears in the involute system d. the interference is
inherently absent in this system(ans)
43. the
differential gear in the automobiles is used to a. reduce speed b.
assist in changing speed c. provide jerk free movement of vehicle
d.
help in turning(ans)
44. a
vibrometer a. indicates vibration amplitude b. indicated vibration
frequency c. indicates nature of vibrations d. only indicates second
and above harmonics
45.
hammer blow in locomotives results a. pulsating torque b. uniform
torque c. tendency to lift wheel from rails(ans) d. uneven speed
46.
simply supported beam of length L with a concentrated load acting on
the mid span. If the mass of beam is negligible compared to the mass
acting, the naturall frequency of the system would be ans is
(48EI/ml3)1/2
47. the
abbreviation P.I.V. drive system stands for a. polar inertia Vee belt
b. purely intergral variance c. perfectly induced velocities
d.
positive infinitely varible
48. a
swinging field type dynamometer is a. torsion dynamometer b.
transmission type dynamometer c. friction dynamometer
d.
electrical dynamometer
49. the
equations m d2x/dt2+cdx/dt +kx = 0 represents a. free vibration b.
forced vibration c. periodically forced vibration
d.
free vibrations with viscous damping(ans)
50 while
designing for screw threads care should be taken to provide adequate
length of engagement for the screw and nut threads so as to prevent
failure of threads in a. tension b. compression c. torque d.
shear
51.maximum
principal stress theory in applicable for e. elastic materials(ans)
f. plastic g. ductile h. brittle
52. for
traction applications, the type of motor best suited is a. induction
motor b. synchronous motor c. dc shunt motor(ans) d. dc series motor
53. a
babbit is a. a eutectic of iron and iron phosphide b. a gadget for
measuring volume c. a measure of magnetic induction produced in a
material d. antimony bearing lead or tin alloy(ans)
54. the
blow off pressure of a safety valve is a. slightly above atmospheric
pressure b. half of the boiler working pressure c. boiler working
pressure d. 106% of boiler working pressure
55. in
case of a saddle key a. the key way is cut in shaft only b. the key
way is cut in both shaft and hub c. the key is welded to shaft
d.
the key way is cut in hub only
56.
splines are used when a. the power to be transmitted is high b. the
power to be transmitted is low c. the torque is high
d.
axial relative motion bet. Shaft and hub is necessary.(ans)
57. a
criculating water pump of a condenser is of the centrifugal type and
directly connected to a three phase induction motor running at 900
rpm. The pump delivers 30000 litres per min. against the dynamic head
of 10m. the horse power of the motor required to drive the pump would
be a. 20-30 b. 40-50 c. 50-60 d. 60-70
58. as
per Indian boilers regulations the type of joint preferred for
longtitudinal joint is a. welded joint b. welded joint which cover
plate
c.
riveted lap joint(ans) d. riveted butt joint
59.
hydraulic testing of boilers is done at pressures a. below and above
atm. b. Slightly above atm. c. At half the working pre. Of boiler
d.
At 1-1/2 to 2 times the working pre.
60.
rankine formula is valid upto slenderness ratio of a. 60 b. 80 c.
100 d. 120
61. a
shaft is subjected to a torque T and bending moment M. the equivalent
twisting moment would be: a. (M2+T2)1/2 b. (M2+4T2)1/2
c.
(4M2+T2)1/2 d. (M2+T2)1/2 + (m/2)1/2
62. the
average values of modulus of rigidity for Al, brass, copper, nickel
and steel in descending order is ans is Al, Ni, Br, copper, steel
63.
resistance to fatigue of a material is measured by: a. young modulus
b. modulus of rigidity d. endurance limit(ans)
64. a
solid shaft of 100mm dia transmits 100HP at 450/PI rpm. The torque in
kg,m on the shaft would be a. 250 b. 375 c. 500 d. 750
65. the
critical speed of a shaft is affected by: a. diameter of the disc b.
eccentricity c. span of the shaft d. all(ans)
66. in
order to avoid interference for 20 pressure and teeth minimum of
teeth should be a. 8 b. 12 c. 16 d. more than 18(ans)
67. the
phenomeno of elongation and contraction of the bolt is know as a.
slip b. creep c. fatigue d. elasticity
68. in
hydro dynamic bearings a. the oil film pressure is generated by
external pump b. the oil film pressure is generated by dead weight of
shaft c. the oil film pressure is generated only when the shaft
rotates(ans) d. the oil film is sufficiently thick
69.
which steel will have max. percentage of carbon: a. C14 b. C15cr65
c. C20cr18ni20 d. C40cr40(ans)
70. jaw
clutches a. cause shock loads when engaging b. get disengaged at high
rpm c. get disengaged in reverse direction(ans)
d.
are friction clutches which generate heat when engaged
71. a
body which does not contain voids or empty spaces is known as a.
continuous body b. an isotropic body c. heterogeneous body
d.
crystalline body
72. the
limiting load beyond which the material no longer behaves elastically
known as a. breaking load b. limiting load c. load bearing load
capacity d. elastic limit(ans)
73. if a
body has identical properties all over it is known as a.
homogeneous(ans) b. isentropic c. ductile d. elastic
74. cold
work is done on the metal a. below the thermal critical range b.
above the thermal critical range c. at zero degree centigrade temp.
d. after slightly warming the metal in furnace.
75. a
plug gauge is use for measuring a. taper bores b. cylindrical
bores(ans) c. spherical holes d. screw threads
76. a
master gauge is a. used by masters b. used by all mechanics c. a
standard gauge checking accuracy of gauges used on shop floors(ans)
d. a gauge used by experienced technician.
77. in
centreless grinding the workpiece advanced by a. push given by
operator b. hydraulic force c. force exerted by grinding wheel
d.
force exerted by regulating wheel(ans)
78. in
climb milling ans is work moves in the same direction as rotation of
the cutter.
79. the
binding material used in cemented carbide tools is a. nickel b.
cobalt c. chromium d. carbon
80. a
250mm diameter is turned at a cutting speed of 20m/min feed 0.5mm per
rev. of spindle at a spindle speed of 25rpm now if the dia of
workpiece is double and spindle speed is also double the time taken
to turn the job will be a. four times the original time b. double the
original time c. no change in turning time d. one fourth the
original time
81. the
passage way of bringing the molten metal to the mould cavity is known
as: a. piping system b. loaming system c. gating system
d.
entry system
82. a
third flask sometimes used between cope and drag is called a. riddle
b. middle c. fillet d. cheek(ans)
83. shot
blasting is a. process of cleaning moulding sand b. process of
cleaning core sand c. process of supplying blast of hot air to cupola
d. process of cleaning casting
84. the
function of a transducer is a. to amplify the input signal b. to
modify the input signal c. to convert the primary signal into a more
useful quantity usually an electrical impulse d. to codify the input
signal
85. the
method of testing hardness by brinell test is based on the principle
of a. indentation(ans) b. penetration c. rebound d. scratching
86. in
thermit welding heat is generated a. from combustion of gases b.
electric arc c. reaction of oxygen with metal
d.
chemical reaction involving finely divided alu. And iron oxide.
87.
ultrasonic machining is best suited for a. non ferrous metal b.
amorphous solids c. brittle materials(ans) d. dielectrics
88. in
EDM the material of the tool is a. satellite b. diamond c.
carbide(ans) d. high speed steel
89.
bearing lining is a. bronze b. duralumin c. delta metal d. babbit
90. the
process of cutting thin gears from metal sheets is known as a.
extruding b. stamping(ans) c. sintering d. rolling
91.in
machine tools normally spindle speeds vary in a. arithmetical
progression b. geometrical progression c. exponential d. logarithmic
92. an
optical flat works on the principle of a. polarization of light b.
refraction of light c. dispersion of light d. interference light ray
93. the
term CLA is used in connection with: a. surface hardness b. surface
finish(ans) c. stresses in a component
d.
average speed of a gear.
94.
dressing in foundry practice is ans is the process of addition of
chemicals to the molten metal to improve its fluidity
95.
which of the following structure is least hard? a. martensite b.
troosite c. pearlite d. sorbite
96. a
steel piece after hardening is heated to 300C and then cooled in oil.
The property imparted to the steel piece will be:
a.
softness b. toughness c. hardness d. annealing
97.
pipes are insulated so that a. the may not break under pressure. b.
There is min. corrosion c. They can withstand higher fluid pressures
d.
Heat loss from the surface is minimized.
98. 1 kW
hour is the same as a. 1000 joules b. 1000 watt sec c. 3600 watt
hours d. 3600,000 watt sec.
99. the
equipment used for pulverizing is known as a. stroker b. burner c.
hopper d. ball mill
100. if
(2n-1) divisions on the main scale are equal to n divisions on the
vernier scale and if S is the value of the smallest division, then
least count would be: a. 2n/S b. S/2n-1 c. S/2n d. S/n
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