INSTRUCTOR IN ENGINEERING DRAFTSMAN GR I - SR - TECHNICAL EDN.pdf (Size: 1.47 MB / Downloads: 0)

176/2015
Maximum : 100 marks
Time : 1 hour and 15 minutes

1.Resultant of two forces is equal to either of them. The angle between the forces is :
(A)120°
(B)60°
(C )90°
(D)0°

2.The maximum efficiency of a square threaded screw jack is Where Ø is the angle of friction
(A)(l + sinØ)/(l-sinØ )
(B)(l-sin0)/(l + sin0)
(C )(1- tanØ)/(l + tan Ø)
(D)(l-sin0)/(l + cos Ø)
?
3.An operating characteristic curve is a plot between :
(A)Consumers risk and producers risk
(B)Probability of acceptance and probability of rejection 
(C ) Percentage of defective and probability of acceptance
(D)Average outgoing quality and probability of acceptance

4.Which of the following is not a part of steam engine?
(A)Cross head
(B)Camshaft
(C )Crank
(D)Eccentric

5.Consider the following statements :
(a)The translator effect of a couple on a body is zero
(b)A couple can be balanced by a couple of opposite sense
(C )The moment of a couple about any point is the same Which of these statements are correct?
(A)(b)and(C )
(B)(C )only
(C ) (a) and (b)
(D) (a), (b) and (C )

6.Cam followers are generally classified according to :
1.The nature of its motion
2.The nature of its surface in contact with cam
3.The speed of cam
Which of the above statements are correct?
(A)1, 2 and 3
(B) 1 and 2
(C ) 2 and 3
(D) 1 and 3

7. A second order system would be critically damped when damping ratio is: (A) Less than 1
(B) Equals 1
(C ) Greater than 1
(D) Tends to infinity

8. The order of values of thermal efficiency of Otto, Diesel and Dual cycle when they have equal t compression ratio and heat rejection is :
(A) Houo ^^ T!a—\
(B) ^mmi ^ 7du*j ^ ?otM
(C ) rjtuml > Vibml > 7oUo03)
(D)7ouc > 7dual > Vdmmi

9.A particle starts from rest and moving with a constant acceleration covers a distance x, in the third second and x, in the fifth second. The ratio x, /x, is:
(A)3/5O
(B)5/9
(C )9/25
(D)25/81

10.A system of masses rotating in different parallel planes is in dynamic balance if the resultant:
(A)Force is equal to zero
(B)Couple is equal to zero
(C )Force and resultant couple both are equal to zero
(D)Force is numerically equal to resultant couple but neither of them need necessarily be zero

11.High vacuum pressure is usually expressed in :
(A)cm of water
(B)pascal
(C ) torr. 
(D) micron

12. Knocking tendency in a SI engine reduces with increasing:
(A)Compression ratio
(B)Wall temperature
(C ) Supercharging
(D) Engine speed

13. A body slides down a smooth inclined plane and takes 4 seconds to reach the bottom. If it starts from rest at the top the time taken to cover 1/4th of distance from top is:
(A)2 sec.
(B)1.2 sec.
(C )1.6 sec.
(D)1 sec.

14. Which of the following iron has maximum tensile strength :
(A)Pig iron
(B)White castiron
(C )Grey cast iron
(D)Nodular cast iron

15.The head over a 90 degree V notch increases from 0.15 m to 0.3 m. The ratio of new discharge to original discharge is :
(A)5.657
(B)4
(C )2
(D)1.414

16.The purpose of differential speed on trains is served by:
(A)Taperon rails
(B)Taperonwheelface
(C )Trackcontour
(D)Trackcurvature

17.A projectile has a range R in the gravitational field of earth. Under identical conditions of velocity and acceleration its range on moon will be :
(A)6 R
(B) R/6
(C ) 36 R
(D) R/36

18.The coordination number of FCC crystal structure is :
(A)4
(B) 8
(C ) 12
(D) 16

19.Auto-collimator is used to check :
(A) Roughness.
(B) Flatness
(C )Angle
(D)Automobilebalances

20.The work input to an air compressor will be least if the exponent 'n' in the compression process pv"  constant equals :
(A)1
(B)1.2
(C )1.4
(D)Infinity

21.Two particles with masses in the ratio 1 : 4 are moving with equal kinetic energies. The ratio of their linear momentum will be in the ratio :
(A)1:8
(B)1:2
(C )1: 4 ‘
(D)1:1

22.Monal metal is an alloy of:
(A) Nickel and copper
(B) Copper and Chromium
(C ) . Nickel and Chromium
(D) Copper, Nickel and Chromium

23.Which one of the following is an extensive property of a thermodynamic system? 
(A) Volume
(B) Pressure
(C ) Temperature
(D)- Density

24.Volumetric efficiency of a reciprocating compressor increases with
1.Increase in clearance ratio
2.Decrease in delivery pressure
3.Multistaging
Which of the statements given above are correct?
(A) 1 and 2
(B)2 and 3
(C ) 3 only
(D)1, 2 and 3

25.For perfectly elastic bodies, the value of coefficient of restitution is :
(A) 1
(B)0.5 to 1
(C ) 0 to 0.6
(D)Zero

26.A screw thread is defined by its :
(A) Root diameter
(B)Core diameter
(C ) Pitch diameter
(D)Crest diameter

27.The gas with highest value of adiabatic index is :
(A) Helium
(B)Nitrogen
(C ) Oxygen
(D)Methane

28.The use of regenerator in a gas turbine cycle increases :
(A)Efficiency but has no effect on output 
(B)Output but has no effect on efficiency
(C )Both efficiency and output
(D)Efficiency but decreases output

29.The moment of inertia of a uniform rod of mass m and length / about an axis through its centre and perpendicular to the length of rod is ;
(A)ml2/6
(B)ml2/8
(C )ml2 /12
(D)ml2/3

30.A key connecting a flange coupling to a shaft is likely to fail in :
(A)Shear
(B)Tension
(C )Torsion
(D)Bending

31.If the thermal efficiency of a carnot engine is 40%, then coefficient of performance of a refrigerator working within the same temperature limits is :
(A)0.5
(B)1.0
(C )1.5
(D)4.5

32.Propulsion efficiency of a jet engine is given by :
(A)2Va/(VJ-Va)
(B)(Vj+Va)l2Va
(C )2 Va/(Vj + Va)
(D)(Vj-Va)/2Va

33.Where Vj and Va are jet velocity and flight velocity relative to aircraft?
Toughness of a materia] signifies : 
(A) Strength 
(B) Softness
(C ) Brittleness
(D) Fatigue resistance

34.Which category of the following chains is not used for power transmission?
(A) Roller chains
(B) Bush chains
(C ) Tractive chains
(D) Inverted tooth chain

33. An engine operates between temperature limits of 900 K and Tt and another engine operates between T% and 400 K. If both the engines are equally efficient T2 will be :
(A)600 K
(B)625 K
(C )650 K
(D)700 K

36. Consider the following nuclear fuels :
1.Pu - 239
2.U - 235
3.U - 233
4.Th - 232

Which is the correct sequence of above nuclear fuels in order to increase in half life?
(A) 1 — 2 - 3 - 4
(B)1-3-2-4
(C ) 2 - 4 - 3 - 1
(D)4 — 1 - 2 - 3

37.The impact strength is expressed in : 
(A) N
(B)N/m
(C ) Nm
(D)N/m2

38.The gear size is generally specified by :
 (A) Pitch circle diameter
(B)Working depth
(C ) Module
(D)Tooth thickness

39.During Joule-Thomson expansion the property whichremains constant
(A) Temperature
(B)Pressure
(C ) Enthalpy
(D)Volume

40.Falling drops of water is spherical due to : 
(A) Adhesion
(B)Cohesion
(C ) Surface tension
(D)Absorption

41.Modulus of resilience of a material is:
(A)A measure of its elasticity
(B)An index of its compressibility
(C )A shock resisting property
(D)Property to store energy without undergoing permanent deformation

42.Two dosed coil helical springs made from the same diameter wire are wound on 2.5 cm diameter core and the other on 1.25 cm diameter core. If each spring has the same number of coils then the ratio of their spring constants will be :
(A)1/16
(B)1/8
(C )1/4
(D)1/2

43.Which of the following gaseous fuels does not have different higher and lower calorific values?
(A) Methane
(B) Ethane
(C )Carbon monoxide
(D)Hydrogen

44.A rectangular water tank has its length, breadth and height ratio 2:1:2. The ratio of the hydrostatic force at bottom to any larger vertical surface is :
(A)1/2
(B)1
(C )2
(D)4

45.A thin cylindrical pressure vessel has been subjected to internal pressure. The ratio of longitudinal to hoop stress is :
(A) 0.25.
(B) 0.5
(C )1
(D)2

46.In deep drawing of sheets, the limiting draw ratio depends on :
(A)Percentage of elongation of sheet metal
(B)Yield strength of sheetmetal
(C )Type of press used
(D)Thickness of sheet

47.In which one of the following materials, the heat energy propagation due to conduction heat transfer will be minimum :
(A)Lead
(B)Copper
(C )Water
(D)Air

48.A metallic body weighs 80 N in air and 60 N in water. The relative density of the body is : 
(A) 8
(B) 6
(C ) 4
(D) 3

49.The rate of change of bending moment is equal to--------------------at the section.
(A)shear force '
(B)deflection
(C )loading
(D)slope

50.According to Chvorinv's equation the solidification time of a casting is proportional to Where V is the volume of casting :
(A)V2
(B)V
(C )1/V
(D)1/V2


51.A composite wall of a furnace has two layers of equal thickness having thermal conductivities in the ratio 3 : 2. What is the ratio of temperature drop across two layers?
(A)3:2
(B)2:3
(C )1:2
(D)2:1

52.A block of ice floats on the surface of water contained in a vessel. How the water level will change when the snow melts?
(A)Rises
(B)Falls
(C )Remains same
(D)Can’t predict

53.A uniformly distributed load w in KN/m is acting over the entire length of a 3 m long cantilever beam. If the shear force at the mid-point of cantilever is 6 kN the value of w is :
(A) 3
(B) 4
(C ) 5
(D) 6

54.The brazing process is carried out in the temperature range (degree Celsius): 
(A) 60-150
(B) 180-250
(C ) 350 - 600
(D) 600 - 750

55.The unit of thermal diffusivity is :
(A) m2/hr°C
(B) kcal/m2hr
(C ) m/hr°C
(D) m2 /hr

56.For a steady incompressible flow, the u component of velocity is A e*. The corresponding v component of velocity is
(A) Ae'
(B) Ae'y
(C ) - Ae*y
(D) None

57.The diameter of a shaft is increased from 30 mm to 60 mm, all the other conditions remain unchanged. How many times its torque carrying capacity increases?
(A) 2
(B) 8
(C ) 16
(D) 32

58.In machining aluminum parts the chips produced will be in the form of: (A) fragments
(B) snarls
(C ) helix
(D) closed spiral

59.The emissive power is multiplied by for a unit surface to get the intensity of normal radiation
(A)1 hfc
(B)\lx
(C )1/2k 
(D)
60.The value of momentum correction factor for a laminar flow through a circular pipe is approximately:
(A) 3/4
(B) 0.87
(C )1.02
(D) 1.33

61.If a closed coil helical spring absorb 30 N mm of energy while extending by 5 mm. its stiffness is:
(A)1 N/mm
(C )3 N/mm
(B)2 N/mm
(D) 4 N/mm.

62.In Taylors tool life equation VTn= Constant, what is the value of n for ceramic tools?
(A)0.15 to 0.25
(B)0.4 to 0.55
(C )0.6 to 0.75
(D)0.8 to 0.9

63.Which dimensionless number has a significance role in forced convection?
(A)Peclet Number
(B)Weber Number
(C )Mach Number
(D)Reynolds Number

64.The pressure drop in a pipe flow is directly proportional to the mean velocity. It suggests that:
(A) The flow is laminar 
(B)Flow is turbulent
(C ) Pipe is smooth
(D)Pipe is rough

65.Which among the following constitutes a higher pair?
(A) a ball and socket joint
(B) toothed gearing
(C )universal joint
(D) none

66.Which of the following types of layouts is used for the manufacture of huge aircrafts? 
(A) Product layout
(B) Process layout
(C ) Combination layout
(D) Fixed position layout

67.Air refrigeration cycle is usually employed in :
(A) Domestic refrigerators
(B) Commercial refrigerators
(C )Air conditioning
(D)Gasliquefaction

68.Efficiency of a pelton wheel is maximum if the ratio of jet velocity to tangential velocity of wheel is:
(A)1
(B)2
(C )3
(D)4

69.The number of inversions for a slider crank mechanism is : 
(A) 8
(B) 6
(C ) 5
(D) 4

70.Bin cards are used in keeping record of:
(A) man power (C ) entry time of workers
(B) machine utilization (D) material storage

71.In the window air conditioner the expansion device used is :
(A) Capillary tube
(B) Thermostatic expansion valve
(C ) Float valve
(D) None

72.Specific speed of an impulse turbine ranges from :
(A) 5 to 10
(B)10 to 50
(C ) 60 to 300
(D)350 to 950
 
73.Fan belt in an automobile is : 
(A) 3 layer flat belt 
(B)5 layer flat belt
(C ) E section v-belt
(D) B section V-belt

74.The project duration in CPM can be reduced by crashing:
(A) One or more non-critical activities
(B) One or more critical activities
(C ) One or more dummy activities
(D) None

75.When steam flows through a throttle valve and remains wet at exit:
(A)Its temperature and quality increase
(B)Its temperature decreases but quality increases
(C )Its temperature increases but quality decreases
(D)Its temperature and quality decrease

76. If a pump NPSH requirements are not satisfied then :
1.It will not develop sufficient head to raise .water
2.Its efficiency will be low
3.It will deliver very low discharge
4.It will be cavitated

Which of the above statements are correct?
(A) 1,2 and 3
(B) 2, 3 and 4
(C ) l and 4
(D) 1,2, 3 and 4

77.For a gear the product of circular pitch and diametral pitch is :
(A)1
(B)1.414
(C )Infinity
(D)k

78.Which one of the following is not a solution method of transportation problems? 
(A)North West Corner Rule
(B)Leastcost method
(C )VAM
(D)Hungarian method

79. Which of the following is not a water tube boiler?
(A) Stirling Boiler
(B)Scottish Marine Boiler
(C ) Benson Boiler
(D)Babcock-Wilcox boiler

80.Which of the following is not a positive displacement pump?
(A) Reciprocating pump
(B) Centrifugal pump
(C ) Vane pump
(D) None

81.Benaras Sanskrit College was started in 1791 by :
(A) Jonathan Duncan
(B)Dalhousie
(C ) Lord Canning
(D)Swamy Deyananda

82. The brain behind the birth of Aligarh Muslim University was : ’
(A) Mahatma Gandhi
(B) Dalhousie
(C ) Ibrahim Sett
(D) Sir Syed Ahmed Khan

83. Who recommended the Western system of Education in India?
(A) Lord Canning
(B) Lord Macaulay
(C ) Lord Bentinck
(D) Lord Atlee

84.S.N.D.P. (Sree Narayana Dharma Paripalana) Yogam was started in: 
(A) 1900
(B) 1902
(C ) 1901
(D) 1903

85.The Dalits and Tribals in India were named for the first time as scheduled castes and scheduled Tribes by the :
(A) Ninth schedule of the constitution 
(B) Tenth schedule 
(C ) Sixth schedule
(D) Fifth schedule

86.Printing press was introduced in India by :
(A)The Dutch
(B)The Portuguese
(C )The English
(D)The French

87.Shanar Women were allowed to wear upper Jackets by the order of:
(A)Lord Bentinck
(B)Marthandavarma
(C )Colonel Munroe
(D)Dharma Raja

88.Gandhiji commended as “Miracle of Modern Times'* about:
(A)Jawaharlal Nehru
(B)Quit India Movement
(C )Non-Co-operation movement
(D)Temple Entry Proclamation of 1936

89.Among the following who has no ‘Mahakavya' to his credit:
(A)Kumaran Asan
(B)Ullur
(C )Vailathol
(D)K.C. Kesava Pillai

90.The 'Malayali Memorial’ was against:
(A)appointing English people
(B)appointing Hindus
(C ) appointing Tamil Brahmins in Travancore Services
(D)appointing Europeans in Kerala services

91.Who is known as “Kerala Kalidasa*?
(A)A.R. Rajaraja Varma
(B)Kumaran Asan
(C )Ullur
(D)Kerala Varma Valiya Koil Tampuran

92.The Right to Information Act came into effect on :
(A)1st January 2005
(B)12 February 2005
(C )20 March 2005
(D)12 October 2005


93.As per the ‘Right to Information Act’ the first application was given to :
(A)Supreme Court
(B)Parliament
(C )Pune Police Station
(D)Maharashtra Secretariat

94.The Preamble of the Constitution of India was adopted by the Constituent Assembly on 
(A)1st January 1930
(B)26 January 1949
(C )27 March 1960
(D)26 November 1949

95.The Preamble of the Constitution of India was designed and decorated by :
(A)Beohar Rammanohar Sinha of Jabalpur
(B)B.R. Ambedkar
(C )Pandit Madanmohan Malavya
(D)Sardar Vallabhai Patel

96.National Rural Employment Guarantee Act 2005 offers :
(A)200days of work in a financial year
(B)100days of work in a financial year
(C ) 150 days of work in a financial year
(D)Maximum possible work in a year

97.The founder of 'Bhashaposhini' was :
(A) Kundathil Varghese Mappilai 
(B) K.C. Kesava Dev
(C ) Kumaran Asan
(D) Vailoppilly

98.The ‘Jhansi Rani of Travancore’ was :
(A) Arya Pallam 
(B) Akkamma Cherian
(C ) Anna Chandi
(D) Rani Gauri Lakshmi
 
99. ‘Athma Kadhakkura Aamukham' is the autobiography of:
(A) Akkama Cherian
(B) S. Sukata Kumari
(C )Lalithambika Antharjanam
(D) S.K. Pottakkad

100. The British East India Company lost its monopoly of trade in India by:
(A) The Pitts India Act. 1784
(B) The Charter Act of 1813
(C ) The Regulating Act of 1773
(D) The Government of India Act, 1919