RRB JE PYQs 29 AUGUST 2019 (10 AM – 12 PM)
1. Ryder Cup is associated with which sport?
(a) Cricket
(b) Hockey
(c) Golf
(d) Table Tennis
Answer: C
2. The constellation Ursa Minor contains the group of stars commonly called the-
(a) Little lion
(b) Hunter
(c) Little dipper
(d) Big dipper
Answer: C
3. Which of the following inventory costs represents the cost of loss of demand due to shortage in supplies?
(a) Unit cost
(b) Procurement cost
(c) Carrying cost
(d) Stockout cost
Answer: D
4. What is the expansion of PWHT in welding?
(a) Pre Weld Heating Torch
(b) Post Weld Heating Torch
(c) Postal Weld Horizontal Treatment
(d) Post Weld Heat Treatment
Answer: D
5. The process of maintaining the speed of a steam turbine constant for various load conditions is known as-
(a) Governing
(b) Bleeding
(c) Cooling
(d) Reheating
Answer: A
6. The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction . This is known as –
(a) Principle of resolution of forces
(b) Principle of independence of forces
(c) All of the options
(d) Principle of transmissibility of forces
Answer: A
7. What is the Moment of Inertia of a Quarter circle about its Diametral Axis ?
(a) ฯd^2/36
(b) ฯd^4/256
(c) ฯd^4/128
(d) ฯd^4/64
ย Answer: B
8. Continuity equation can take the form-
(where A = Area , V = Volume , ฯ = Density and P = Pressure)
(a) P1A1V1 = P2A2V2
(b) ฯ1A1 = ฯ2A2
(c) A1V1 = A2V2
(d) R1V1 = P2V2
Answer: C
9. When a body is subjected to two equal and opposite pulls , as a result of which the body tends to extend its length , the stress and strain induced are-
(a) Compressive stress and tensile strain
(b) Tensile stress and tensile strain
(c) Compressive stress and compressive strain
(d) Tensile stress and compressive strain
Answer: B
10. The chemical formula of refrigerant R11 is –
(a) CCI3F
(b) CCIHF
(c) CHF
(d) CCIF3
Answer: A
11. The process of enlarging the holes to accurate sizes is called –
(a) Counter boring
(b) Drilling
(c) Reaming
(d) Knurling
Answer: C
12. The amount of time by which an activity can be delayed without affecting project completion time is-
(a) Free float
(b) Independent float
(c) Total float
(d) Activity float
Answer: C
13. The product of area and square of distance of centre of gravity of the area from that axis is known as-
(a) First moment of area
(b) Second moment of area
(c) Mass moment of inertia
(d) Second moment of mass
Answer: B
14. In 2019 , who was appointed the Indian men’s football team coach?
(a) Savio Medeira
(b) Kushal Das
(c) Igor Stimac
(d) Steve Cooper
Answer: C
15. G-ratio varies from _____ in very rough grinding .
(a) 11.0 to 15.0
(b) 1.0 to 5.0
(c) 16.0 to 20.0
(d) 6.0 to 10.0
Answer: B
16. The minimum angle made by an inclined place with the horizontal such that an object placed on the inclined surface just begins to slide is called –
(a) Angle of elevation
(b) Angle of friction
(c) Angle of latitude
(d) Angle of Repose
Answer: D
17. The demand rate for a particular item is 12000 units/year . The ordering cost is Rs.100 per order and the holding cost is Rs.0.80 per item per month . If no shortage are allowed and the replacement is instantaneous , then the economic order quantity is-
(a) 500 units
(b) 1500 units
(c) 1000 units
(d) 2000 units
Answer: A
18. Temperature inversion is a condition in which the temperature of the atmosphere –
(a) Remains same
(b) Either increases or decreases with altitude
(c) Always increases with altitude
(d) Always decreases with altitude
Answer: C
19. The distance from the joint root to the toe of the weld is called –
(a) Effective throat
(b) Leg
(c) Actual throat
(d) Face
Answer: B
20. The clearance ratio for a single stage compressor lies between –
(a) 15% and 20%
(b) 1% and 2%
(c) 4% and 10%
(d) 20% and 30%
Answer: C
21. What is the electron distribution in an aluminium atom?
(a) 8 , 2 , 3
(b) 2 , 8 , 3
(c) 2 , 8 , 2
(d) 2 , 3 , 8
Answer: B
22. What is the number of moles for 52g of He?
(a) 14
(b) 12
(c) 13
(d) 11
Answer: C
23. Which of the following cells have bold boundary in MS-Excel?
(a) Active cell
(b) Relative cell
(c) Passive cell
(d) Mixed cell
Answer: A
24. Which of the following is/are the objective of Normalising?
(a) To remove internal stresses
(b) To improve the machinability
(c) To enhance the mechanical properties
(d) All of the options
Answer: D
25. An example of rotational motion is-
(a) Movement of drawer of a table
(b) Spinning of earth
(c) Motion of earth around the sun
(d) Movement of a car on a straight road
Answer: B
26. Which of the following is incorrect in the laws of dry friction?
(a) The frictional force always acts in a direction opposite to that in which the body tends to move
(b) The force of friction is dependent to the area of contact between the two surfaces
(c) The force of friction depends upon the roughness/smoothness of the surfaces
(d) The magnitude of the limiting friction bears a constant ratio to the normal reaction between the two contacting surfaces
Answer: B
27. The centre of gravity of a semi-circle lies at a distance of ____ from its base measured along the vertical radius .
(a) 8r/3ฯ
(b) 3r/4ฯ
(c) 4r/3ฯ
(d) 3r/8ฯ
Answer: C
28. Montreal protocol is related to-
(a) Protection of Wild Life
(b) Nuclear weapons
(c) Protection of Whales
(d) Protection of Ozone layer
Answer: D
29. The length of the slot weld can be obtained from the ratio of-
(a) Allowable stress to weld area
(b) Allowable stress to load
(c) Weld area to allowable stress
(d) Load to allowable stress
Answer: D
30. Mercury does not wet the glass . This is due to the property of the liquid known as-
(a) Cohesion
(b) Surface tension
(c) Adhesion
(d) Viscosity
Answer: B
31. Gauge pressure at a point is equal to ______ .
(a) Absolute pressure + atmospheric pressure
(b) Absolute pressure – atmospheric pressure
(c) Vacuum pressure + absolute pressure
(d) Vacuum pressure – atmospheric pressure
Answer: B
32. Which of the following is the hardest constituent of steel?
(a) Bainite
(b) Martensite
(c) Austenite
(d) Ledeburite
Answer: B
33. Kanishka followed which of the following religions?
(a) Christianity
(b) Buddhism
(c) Jainism
(d) Sikhism
Answer: B
34. Doberiener’s system of classification into Triad was not found to be useful as he could identity only:
(a) Four triads
(b) Five triads
(c) Three triads
(d) Two triads
Answer: C
35. In which state is the Tuirial Hydroelectric Power Project set up?
(a) Nagaland
(b) Mizoram
(c) Manipur
(d) Meghalaya
Answer: B
36. The distance that fusion extends into the base metal or previous pass from the surface melted during welding is known as-
(a) Cold lap
(b) Deposition thickness
(c) Dilution
(d) Depth of fusion
Answer: D
37. The Hoop stress developed in the thin cylinders is given by-
(where P = Internal pressure , d = Internal diameter and t = wall thickness)
(a) Pd/2t
(b) Pd/t
(c) Pd/4t
(d) Pd/3t
Answer: A
38. What is the magnification produced by a spherical mirror?
(a) Ratio of height of object to the height of image
(b) Ratio of object distance to the image distance
(c) Ratio of focal length to radius of curvature
(d) Ratio of height of the image to the height of the object
Answer: D
39. What is the unit of pressure?
(a) Kelvin
(b) Newton
(c) Kilogram
(d) Pascal
Answer: D
40. _____ is the process of making flat surfaces on a lathe .
(a) Boring
(b) Reaming
(c) Facing
(d) Drilling
Answer: C
41. Which of the following is likely a characteristic of hazardous waste?
(a) All of the options
(b) Ignitability
(c) Reactivity
(d) Corrosivity
Answer: A
42. What does ‘V’ represent in this conventional abrasive wheel given by “51 A 60 K 5 V05”?
(a) Grade
(b) Bond type
(c) Grit size
(d) Abrasive type
Answer: B
43. E6010 is a _____ tensile strength electrode .
(a) 10,000 psi
(b) 61,000 psi
(c) 7,000 psi
(d) 60,000 psi
Answer: D
44. Which of the following is/are a ferromagnetic material?
(a) Tungsten
(b) Aluminium
(c) Nickel
(d) Copper
Answer: C
45. Slack represents the difference between the-
(a) Proposed allowable time and the earliest expected time
(b) Latest allowable time and the earliest expected time
(c) Latest allowable time and the normal expected time
(d) Normal allowable time and the latest expected time
Answer: B
46. Which of the following statements about Ozone is true?
(a) Ozone protects us from the harmful UV radiation of sum
(b) Ozone is highly reactive
(c) All of the options
(d) Ozone is the major constituent of photochemical smog
Answer: C
47. The amount of time elaspsed from the moment an inventory replenishment order is placed and the moment the supplier delivers the goods is-
(a) Cycle time
(b) Order time
(c) Takt time
(d) Lead time
Answer: D
48. A steel with 0.8% carbon and 100% pearlite is called-
(a) Hypo-eutectoid steel
(b) Hyper eutectoid steel
(c) Eutectoid steel
(d) Pro eutectoid steel
Answer: C
49. Which of the following is referred to as MRP II?
(a) Manufacturing Resources Planning
(b) Materials Requirement Planning
(c) Materials Resources Policy
(d) Maximum Retail Price
Answer: A
50. The weight of an object on the Moon is Wm and its weight on the Earth is We . Which of the following formulas is correct?
(a) Wm = 6 x We
(b) Wm = (1/6) x We
(c) Wm = 3 x We
(d) Wm = (1/3) x We
Answer: B
51. The frequency of a sound wave is 50 Hz and its wavelength is 4 m . What is the distance travelled by the sound wave in 3s ?
(a) 200 m
(b) 100 m
(c) 300 m
(d) 600 m
Answer: D
52. In reverse polarity welding , electrode holder is-
(a) Connected to the positive and work to negative
(b) Connected to the negative and work to positive
(c) Earthed and work is negative
(d) Earthed and work is positive
Answer: A
53. Which of the following gases is not used as shielding gas in arc welding?
(a) Helium
(b) Carbon dioxide
(c) Carbon monoxide
(d) Argon
Answer: C
54. What is the full form of EBICDIC?
(a) Extended Binary Coded Decimal Interchange Code
(b) Enhanced Binary Control Data Interchange Code
(c) Extended Binary Control Decimal Interchange Code
(d) Enhanced Binary Coded Data Integration Code
Answer: A
55. The moment of inertia of a rectangular section 3 cm wide and 4 cm deep about X-X axis passing through centre is-
(a) 20 cm^4
(b) 16 cm^4
(c) 12 cm^4
(d) 9 cm^4
Answer: B
56. Which of the following bonds is represented by the letter ‘E’ in grinding wheel?
(a) Oxychloride
(b) Rubber
(c) Silicate
(d) Shellac
Answer: D
57. Back rake of a turning tool is measured on its-
(a) Orthogonal plane
(b) Machine transverse plane
(c) Normal plane
(d) Machine longitudinal plane
Answer: B
58. Cyaniding involves the addition of _______ for the hardening of surface .
(a) Nichrome
(b) Niobium
(c) Neon
(d) Nitrogen
Answer: D
59. In a four-stroke , the minimum temperature inside the engine cylinder occurs at the-
(a) End of suction stroke
(b) Beginning of exhaust stroke
(c) End of exhaust stroke
(d) Beginning of suction stroke
Answer: D
60. What is the full form of CSIR ?
(a) Centre for Science and Industry Research
(b) Center for Scientific and India Research
(c) Council for Science and Industry Research
(d) Council of Scientific and Industrial Research
Answer: D
61. What is the shortcut key to insert a new slide into the current presentation?
(a) Ctrl + F
(b) Ctrl + M
(c) Ctrl + O
(d) Ctrl + N
Answer: B
62. Which network is able to connect to each computer through a common central line?
(a) Router
(b) Star
(c) WAN
(d) Bus
Answer: D
63. What is the name of the sources of energy which are being produced continuously in nature and are inexhaustible?
(a) Exhaustible source of energy
(b) Renewable source of energy
(c) Nonrenewable source of energy
(d) Conventional source of energy
Answer: B
64. Corundum is composed of about 85 percent of-
(a) Aluminium oxide
(b) Steel
(c) Silicon
(d) Iron oxide
Answer: A
65. The vertical and uniformly spaced lines on a psychrometric chart indicate –
(a) Wet bulb temperature
(b) Specific humidity
(c) Dew point temperature
(d) Dry bulb temperature
Answer: D
66. Thermit is a mixture of fine aluminium powder and iron oxide in the ratio of about _____ by weight .
(a) 1 : 2
(b) 1 : 3
(c) 3 : 1
(d) 2 : 1
Answer: B
67. If (R) is the base rate guaranteed per hour , (S) is the standard time for the job and (T) is the actual time , then according to Rowan plan , wages for the job will be-
(a) TR + [(S – T)/2] x R
(b) TR
(c) TR + [(S – T)/S] x R
(d) TR + (S – T) x R
Answer: C
68. A concentration of 100 means ______ carat of grit per 1 cmยณ of grinding wheel volume .
(a) 4.4
(b) 2.2
(c) 3.3
(d) 5.5
Answer: A
69. Which of the following is endothermic process?
(a) Sublimation of dry ice
(b) Both Sublimation of dry ice and Evaporation of water
(c) Evaporation of water
(d) Dilution of sulphuric acid
Answer: B
70. Litmus , a natural dye , is an extract of-
(a) Lichen
(b) China rose
(c) Beet root
(d) Blue berries
Answer: A
71. Grain size ranges between 6 and 24 is considered-
(a) Coarse grain
(b) Very fine grain
(c) Fine grain
(d) Normal grain
Answer: A
72. The compressor performance at higher altitude compared to sea level will be-
(a) The same
(b) Higher
(c) Dependent on other factors
(d) Lower
Answer: D
73. Who among the following was appointed the Chief Minister of Goa in March 2019?
(a) Bhupesh Baghel
(b) Pema Khandu
(c) Pramod Sawant
(d) Nitish Kumar
Answer: C
74. Creep, a high temperature progressive deformation , occurs in _____ stages .
(a) Three
(b) Five
(c) Four
(d) Two
Answer: A
75. _____ is the intersection of the flank and the base of the tool .
(a) Face
(b) Nose
(c) Shank
(d) Heel
Answer: D
76. Find the tool life equation , if a tool life of 80 min is obtained at a cutting speed of 30 m/min and 9 min at 60m/min.
(a) VT^0.7 = C
(b) VT^0.5 = C
(c) VT^0.4 = C
(d) VT^0.3 = C
Answer: D
77. _______ is a memory management scheme that permits the physical address space of a process to be noncontiguous .
(a) Swapping
(b) Fragmentation
(c) Paging
(d) Segmentation
Answer: C
78. The capacity of a lathe is expressed as-
(a) Tool post size and lathe travel
(b) Bed length and spindle speed
(c) Swing and distance between centres
(d) Horsepower and chuck diameter
Answer: C
79. Abdul Kalam served as the president of India during –
(a) 2002 – 2007
(b) 1997 – 2002
(c) 1992 – 1997
(d) 2007 – 2012
Answer: A
80. In a four – stroke engine , the working cycle is completed in-
(a) Four revolutions of the crankshaft
(b) Two revolutions of the crankshaft
(c) One revolution of the crankshaft
(d) Three revolutions of the crankshaft
Answer: B
81. What is the approximate freezing point of sulphur dioxide?
(a) -56.6ยฐC
(b) -75.2ยฐC
(c) -135.8ยฐC
(d) -87.7ยฐC
Answer: B
82. All eco-systems begin with energy input from –
(a) Water
(b) Firewood
(c) Air
(d) Sun
Answer: D
83. Which of the following is not related to a spark ignition engine?
(a) Spark plug
(b) Ignition coil
(c) Fuel injector
(d) Carburettor
Answer: C
84. Which of the following is an in-situ conservation measure taken by India?
(a) Project Elephant
(b) All of the options
(c) Project Lion
(d) Project Rhino
Answer: A
85. Which of the following is a kind of impact printers?
(a) Plotter
(b) Laser printers
(c) Ink – jet printers
(d) Line printers
Answer: D
86. The gas in cooling chamber of a closed cycle gas turbine is cooled at-
(a) Constant pressure
(b) Constant volume
(c) Constant temperature
(d) All of the options
Answer: A
87. Which of the following is not related to the internet?
(a) Browser
(b) Search engine
(c) Mouse
(d) Link
Answer: C
88. Which among the following is the unit of measurement of the “Ecological Footprint”?
(a) Gallon Per Capita
(b) Global Hectare
(c) Cubic meter
(d) Man Hour
Answer: B
89. A tool has the signature form as 8 , 8 , 5 , 5 , 6 , 6 , 1 as per American Standard Association . In this , 1 represents-
(a) Nose radius
(b) Side cutting edge
(c) Side relief angle
(d) Back rake angle
Answer: A
90. Three forces acting on a rigid body are represented in magnitude , direction and line of action by the three sides of a triangle taken in order . The forces are equivalent to a couple whose moment is equal to-
(a) Thrice the area of the triangle
(b) The area of the triangle
(c) Half the area of the triangle
(d) Twice the area of the triangle
Answer: D
91. Which of the following materials has nearly zero coefficient of expansion?
(a) Stainless steel
(b) Invar
(c) Silver
(d) Selenium
Answer: B
92. ______ is a small opening of any cross section on the side or bottom of the tank on which fluid is flowing.
(a) Mouth piece
(b) Notch
(c) Weir
(d) Orifice
Answer: D
93. With which state is the art from ‘Patachitra’ associated?
(a) Tamil Nadu
(b) Odisha
(c) Andhra Pradesh
(d) Gujarat
Answer: B
94. Pascal’s law states that pressure at a point is equal in all directions in a/an-
(a) Laminar flow
(b) Turbulent flow
(c) Inviscid flow
(d) Fluid at rest
Answer: D
95. Inventory control and quality control is involved in which of the following phases of production planning and control?
(a) Monitoring stage
(b) Planning stage
(c) Pre – planning stage
(d) Action stage
Answer: A
96. Which of the following is used to check the diameter of holes?
(a) Standard screw pitch gauge
(b) Fillet gauge
(c) Slip gauge
(d) Plug gauge
Answer: D
97. Which V block is used for checking triangle effect?
(a) V block with 90 – degree angle is used
(b) V block with 60 – degree angle is used
(c) V block with 30 – degree angle is used
(d) V block with 120 – degree angle is used
Answer: D
98. Which annealing process is carried out in a heavy casting to make austenitic gains homogeneous?
(a) Diffusion annealing
(b) Process annealing
(c) Full annealing
(d) Spherodise annealing
Answer: A
99. According to the law of moments , if a number of coplanar forces acting on a particle are in equilibrium , then –
(a) The algebraic sum of their moments about any point in their plane is zero
(b) The algebraic sum is zero
(c) The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point
(d) Their lines of action are at equal distances
Answer: C
100. An ammeter requires a change of 3A in tis coil to produce a change in deflection of the pointer by 12mm . Its sensitivity is-
(a) 15 mm/A
(b) 36 mm/A
(c) 4 mm/A
(d) 9 mm/A
Answer: C
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