This post contains the previous year (2014) question paper of RRB Trivandrum junior engineer (JE) examination and also provided the answer keys. It contains 150 multiple choice questions which are combination of general awareness, general science, quantitative aptitude, reasoning and professional knowledge. The technical/professional knowledge questions are more as compared with others. This examination paper is also applicable for other 20 railway recruitment board exams. It helps to understand the examination pattern, difficulty of questions etc.
Other RRB Exam Question Papers
- RRB Chennai 2014 SSE Examination Paper
- RRB Truvandrum SSE Examination Paper 2015
- RRB SSE/JE Mock Test Paper 2015 -I
- RRB SSE/JE Mock Test Paper 2015 -II
Let us see the RRB written test paper for the selection Junior engineer post in railway. If you want to need any explanation of below contain questions, please feel free to ask via, comment or contact form.
RRB Trivandrum JE 2014 Question Paper with Answer Keys
1. Suraj went to movie 9 days ago. He goes to the movies only on Thursday. What the day of the week is today?
A) Saturday
B) Sunday
C) Friday
D) Thursday
Answer: A
2. The site of respiration of bacteria is:
A) Episome
B) Microsome
C) Mesosome
D) Ribosome
Answer: C
3. A girl ate sweets while fanning the flies away. Due to this she suffered from a disease diagnosed as:
A) Cancer
B) Cholera
C) Diphtheria
D) Tuberculosis
Answer: C
4. Angioplasty is a treatment for :
A) Cancer
B) Heart Disease
C) Leprosy
D ) Diabetes
Answer: B
5. Which of the following is a active component of a circuit?
A) Transistor
B) Resistor
C) Capacitor
D) Inductor
Answer: A
6. The distance between the two rails in the board gauge in India is:
A) 1676 mm
B) 1000 mm
C) 762 mm
D) 1626 mm
Answer: A
7. In a four stroke engine, the camshaft rotates at ______ the crank speed
A) Half
B) Three fourth
C) Equal
D) Double
Answer: A
8. Center lines:
A) are drawn to indicate axes of cylindrical, conical, spherical objects
B) are thin, long, chain lines
C) generally extend beyond the outlines to which they refer
D) have all the above properties
Answer: D
9. How many medals did the India win in the recently held Asian Games?
A) 50
B) 60
C) 54
D) 57
Answer: D
10. Carbon dioxide in the atmospheric air amounts to about:
A) 0.03%
B) 0.003%
C) 0.3%
D) 3%
Answer: A
11. Which gate has the output low, only when both the inputs are high?
A) NOR
B) OR
C) NAND
D) AND
Answer: C
12. An isentropic process is always
A) Irreversible and adiabatic
B) Reversible and isothermal
C) Friction-less
D) Reversible and adiabatic
Answer: D
13. With the addition of impurities, the resistance of a semiconductor:
A) Increases
B) Decreases
C) First decreases then increases
D) First increases the decreases
Answer: B
14. The equipment's attached to CPU which computer can access are called
A) Control units
B) Computer components
C) Hardware
D) Peripherals
Answer: D
15. Gas leaked during Bhopal Tragedy was:
A) Sodium isothiocyanate
B) Potassium isothiocyanate
C) Ethyl isocyanate
D) Methyl isocyanate
Answer: D
16. In S.I engine, to obtain the required firing order:
A) battery is installed
B) distributor is installed
C) carburetor is installed
D) ignition is installed
Answer: B
17. Under the Member of Parliament local area development scheme (MPLADS), the annual allocation is:
A) 5 crore rupees
B) 10 crore rupees
C) 2 crore rupees
D) 1 crore rupees
Answer: C
18. Compression ratio of diesel engines normally has the range:
A) 8 to 10
B) 10 to 15
C) 16 to 20
D) 80 to 90
Answer: C
19. Sodium is related to salt in the same way as oxygen is related to:
A) Water
B) Carbon
C) Hydrogen
D) Chemistry
Answer: A
20. As per the census 2011, what is the Sex Ratio (i.e. the number of women per thousand men) of India?
A) 880
B) 970
C) 940
D) 910
Answer: C
21. In a perfectly elastic collision:
A) Linear momentum and K.E both are conserved
B) Only momentum is conserved
C) Only K.E. is conserved
D) None of them is conserved
Answer: A
22. A micro-processor with clock frequency of 100 MHz will have a clock period of:
A) 1 ns
B) 10 ns
C) 100 ns
D) 1000 ns
Answer: B
23. Pointing to a man, Deepak said, “His only brother is the father of my daughters father”. How is the man related to Deepak?
A) Grandfather
B) Father
C) Uncle
D) Brother-in-law
Answer: C
24. What do you obtain on simplification?
(2.3 x 2.3 – 1.7 x 1.7) / (2.3 x 2.3 + 1.7 x 1.7) = ?
A) 0.29
B) 1.5
C) 15
D) 0.6
Answer: A
25. α=3, β=5, ϒ= -8, then the value of α^3+ β^3+ ϒ^3 is:
A) -240
B) 240
C) -360
D) Zero
Answer: C
26. With which of the following is the term “Golden Handshake” associated?
A) Share Market
B) Smuggling
C) Voluntary Retirement Benefits
D) Theft
Answer: C
27. Where were the Asian Games 2014 held?
A) Beijing, China
B) Tokyo, Japan
C) Incheon, Korea
D) Tehran, Iran
Answer: C
28. The tropic of Cancer is:
A) 66 1/2 degree N latitude
B) 66 1/2 degree S latitude
C) 23 ½ degree N latitude
D) 23 ½ degree S latitude
Answer: C
29. The value of binary 1111 is :
A) 2^3 -1
B) 2^3
C) 2^4 -1
D) 2^4
Answer: C
30. Food:Hungry :: ? : ?
A) Thought: Politics
B) Water:River
C) Rest:Tired
D) Wine: Intoxication
Answer: C
31. In a certain code ROAD is written as URDG. In that code how will SWAN be written?
A) VXDQ
B) VZDQ
C) UXDQ
D) VZCO
Answer: B
32. The resistance can be measured most accurately by:
A) Bridge method
B) Meggar
C) Multimeter
D) Voltmeter-Ammeter method
Answer: C
33. The sum of Rs. 41 was divided among 50 children. Each boy gets 90 paise and each girl gets 65 paise. Find the number of boys and girls.
A) 34, 16
B) 30, 20
C) 36, 14
D) None of these
Answer: A
34. Delhi becomes the capital of india in the year:
A) 1910
B) 1911
C) 1916
D) 1923
Answer: B
35. Which is primary consumer?
A) Scavenger
B) Saprophyte
C) Carnivore
D) Herbivore
Answer: D
36. A wound watch spring has ______ energy.
A) Mechanical
B) Kinetic
C) Potential
D) Kinetic and potential
Answer: C
37. Which of the following is a trivalent element?
A) Boron
B) Indium
C) Aluminum
D) All of these
Answer: D
38. Mechanical efficiency of a gas turbine as compared to internal combustion reciprocating engine is:
A) Higher
B) Lower
C) Same
D) None of these
Answer: A
39. ___________ Gears are used in a differential of an automobile.
A) Double helical
B) Mitre
C) Straight bevel
D) None of these
Answer: B
40. An accurate ammeter must have a resistance of :
A) High value
B) Low value
C) Very low value
D) Very high value
Answer: C
41. A transformer has 1000 primary turns. It is connected to 250 V A.C supply. Find the number of secondary turns to get secondary voltage of 400 volts.
A) 625
B) 1600
C) 400
D) 1250
Answer: B
42. A semi conductor read only memory basically is:
A) a set of flip flop memory elements
B) a combinational logic circuit
C) a sequential circuit with flip flops and gates
D) none of these
Answer: B
43. Thorium Breeder are most suitable for India because:
A) These develop more power
B) Its technology is simple
C) Abundance of thorium deposits are there in India
D) none of these
Answer: C
44. The area of a square field is 5000 m^2. The length of the diagonal of this square will be:
A) 141.42 m
B) 70.71 m
C) 100 m
D) 50 m
Answer: C
45. 20+ 5 1/3+ 1 ½ - 9 3/5 + 2/5 =?
A) 4 ½
B) 3 ½
C) 2 1/3
D) None of these
Answer: D
46. In the network shown below, the critical path is:
(The number on the arrow shows the duration of the activity)
A) 1-2-3-4-5-6
B) 1-2-4-5-6
C) 1-2-3-5-6
D) 1-2-4-3-5-6
Answer: A
47. One meter is equal to:
A) 10^-6 micron
B) 10^6 micron
C) 10^-3 micron
D) 10^3 micron
Answer: B
48. Who is the present Chief Justice of India?
A) Mr. V.S Sampath
B) R.M. Lodha
C) H.L. Dattu
D) Altamas Kabir
Answer: C
49. If a beam is constrained to move and heated, it will develop ______ stress.
A) shear
B) tensile
C) Principal
D) Compressive
Answer: D
50. A shopkeeper says he sells his goods at cost price, but he uses a weight of 800 gms instead 1 Kg. Thus he makes a gain of:
A) 10%
B) 15%
C) 20%
D) 25%
Answer: D
51. The path of magnetic flux in transformer should have:
A) High resistance
B) High reluctance
C) Low resistance
D) Low reluctance
Answer: C
52. Which of the following weighs the most?
A) 10^23 molecules of H2
B) 1 mole of H2O
C) 1 mole of N2
D) 1 mole of O2
Answer: C
53. For which of the following applications, a d.c. motor is preferred over an a.c motor?
A) Variable speed operation
B) High speed operation
C) Low speed operation
D) Fixed speed operation
Answer: A
54. Which set of two rivers for the world’s largest delta before their water flows into the respective seas?
A) Ganga – Brahmaputra
B) Rhine – Seine
C) Nile – Euphrates
D) Danube – Thames
Answer: A
55. Size of a theodolite is specified by:
A) the length of the telescope
B) the diameter of the vertical circle
C) the diameter of lower plate
D) the diameter of upper plate
Answer: C
56. One eighth of a half kg pack of ice creme has been eaten. The reminder is divided equally. Among the three people. Approximately what percentage of the pack does each person get?
A) 14.6%
B) 29.2%
C) 11.3%
D) 18.1%
Answer: B
57. Find the last term in the given series:
1, 8 ,27, 64, 125, 216, 343, ?
A) 420
B) 476
C) 496
D) 512
Answer: D
58. The EPROM stands for:
A) Erasable Programmable Read Only Memory
B) Extended Parasitic Read Only Memory
C) Extended Polar Read Only Memory
D) None of these
Answer: A
59. Deforestation generally decreases:
A) Rainfall
B) Soil erosion
C) Drought
D) Global warming
Answer: A
60. Burning of fossil fuels is the main cause of:
A) nitrogen oxide pollution
B) nitrous oxide pollution
C) sulphur dioxide pollution
D) nitric oxide pollution
Answer: A
61. A ring gauge is used to :
A) Check the clearance between two mating surfaces
B) Test the accuracy of holes
C) Check the diameter of shafts or studs
D) All of the above
Answer: C
62. If X < -1, the X^2 is :
A) 1
B) Less than 1
C) More than 1
D) None of these
Answer: C
63. The LCM of numbers 12, 18 and 24, how much more than their HCF?
A) 66
B) 69
C) 70
D) 72
Answer: A
64. At the back of domestic refrigerator, the bank of tubes is called:
A) Evaporator tubes
B) Condenser tubes
C) Refrigerant cooling tubes
D) Capillary tubes
Answer: B
65. The main burden of indirect taxes falls on the :
A) Manufacturers
B) Traders
C) Consumers
D) Tax payers
Answer: C
66. The area of the largest triangle can be inscribed inside a semicircle of radius R cm is :
A) 2 R cm^2
B) 0.25 R^2 cm^2
C) 2 R^2 cm^2
D) R^2 cm^2
Answer: D
67. Chromosomes are concerned with :
A) Respiration
B) Assimilation
C) Transmission of hereditary characteristics
D) Nutrition
Answer: C
68. The instrument used to measure external and internal diameter of shafts, thickness of parts and depth of holes is:
A) Inside micrometer
B) Outside diameter
C) Vernier calipers
D) Slip gauge
Answer: C
69. A body is thrown up with an initial velocity u and covers a maximum height of h, then h is equal to:
A) u^2/2g
B) u/2g
C) 2ug
D) None of these
Answer: A
70. Mars Orbiter of India entered the Orbit of Mars after completing its journey of about 68 crore kilometers on:
A) Sep 24, 2014
B) Sep 30, 2014
C) Sep 21, 2014
D) Sep 20, 2014
Answer: A
71. The temperature at which the volume of a gas becomes zero is called:
A) Absolute scale temperature
B) Absolute zero temperature
C) Absolute temperature
D) None of these
Answer: B
72. The torque developed by a single phase induction motor at starting is:
A) Pulsating
B) Uniform’
C)Zero
D) None of these
Answer: C
73. Gypsum is a :
A) Mechanically formed sedimentary rock
B) Igneous rock
C) Chemically precipitated sedimentary rock
D) Metamorphic rock
Answer: C
74. A satellite that revolves around the equator 36,000 km from earth center is called
A) Polar
B) Geostationary
C) Equatorial
D) Elliptical
Answer: B
75. In India, which of the following is adopted as standard recording rain gauge?
A) Symon’s rain gauge
B) Tipping bucket type
C) Natural siphon type
D) weighing bucket type
Answer: A
76. Time constant of a series R-L circuit is:
a) LR seconds
B) L/R seconds
C) L^2R seconds
D) LR^2 seconds
Answer: B
77. The elements with atomic numbers 2, 10, 18, 36, and 54 are all:
A) Light metals
B) Halogens
C) Rare earths
D) Noble gases
Answer: D
78. When animals feed on other dead animals which had died naturally or had been killed by another animals, the relationship is termed as:
A) Predation
B) Competition
C) Scavenging
D) Symbiosis
Answer: A
79. A transmitter has an emitter current 8 mA and α of 0.99. Which of the following could be the collector current?
A) 7.92 mA
B) 5.00 mA
C) 8.1 mA
D) 7.84 mA
Answer: A
80. A fan produces a feeling of comfort during hot weather because:
A) Our perspiration evaporates quickly
B) our body radiates more heat when air is flowing
C) Fan supplies cool air
D) Conductivity of air increases
Answer: A
81. The density of water is :
A) 10^-3 kg/m^3
B) 1 kg/m^3
C) 10^2 kg/m^3
D) 10^3 kg/m^3
Answer: B
82. From his house, Ram walks 20 meters in North direction. Then he turns right and walks 30 meters. Then he again turns right and walks 35 meters. Then he turns left and walks 15 meters away is he from his house?
A) 45 Meters East
B) 30 Meters East
C) 15 Meters West
D) 30 Meters North
Answer: A
83. With which filed is DadaSaheb Phalke Award associated?
A) Literature
B) Cinema
C) Journalism
D) Volley ball
Answer: B
84. The dynamic resistance of a diode is desired as:
A) The ratio of small change in voltage to small change in current
B) The ratio of small change in voltage to square of small change in current
C) The ratio of applied voltage to current
D) None of these
Answer: A
85) Hard copy means:
A) Output on tape
B) Output on Hard Disk
C) Output on printer
D) Details of Hardware
Answer: C
86. The equilibrium super elevation required to counteract the centrifugal force fully is given by:
A) V^2/27.5 R
B) V^2/75 R
C) (0.75V)^2/127 R
D) V^2/127 R
Answer: D
87. Which of the following transistor configurations gives useful current gain?
A) CE alone
B) CB alone
C) CC alone
D) Both CE and CC
Answer:
88. Processing time is least in a _______ computer.
A) 16 bit
B) 32 bit
C) 8 bit
D) 64 bit
Answer: D
89. In TIG welding, the welding zone is shielded by an atmosphere of:
A) Hydrogen gas
B) Oxygen gas
C) Either A or B
D) Helium gas
Answer: D
90. If l and δl are the length and change in length respectively, the strain is equal to:
A) δl/l
B) l/ δl
C) l x δl
D)l + δl
Answer: A
91. A cyclotron is a :
A) bunch of gamma rays
B) high frequency oscillator
C) Particle accelerator
D) none of these
Answer: C
92. A car travels from P to Q at a speed of V1 km/hr and travels back from Q to P at the speed of V2 km/hr. The average speed of the car for the entire journey is:
A) V1 + V2/2V1xV2
B) V1 + V2/2
C) 2 V1 x V2/(V1 + V2)
D) V1 + V2/(V1 x V2) ^1/2
Answer: C
93. If the volume of voids is equal to the volume of solids in a soil mass , then the values of porosity and voids ratio respectively are:
A) 1.0 and 0.0
B) 0.0 and 1.0
C) 0.5 and 1.0
D) 1.0 and 0.5
Answer: C
94. The atomic number of an element is determined by
A0 The number of electrons in one atom
B) The number of neutrons in one atom
C) The valency of the element
D) The number of protons in one atom
Answer: D
95. Modulus of rigidity is defined as the ratio of :
A) Longitudinal stress to longitudinal strain
B) shear stress to shear strain
C) Stress to strain
D) Stress to volumetric strain
Answer: B
96. What is Agni-II?
A) an intermediate range ballistic missile
B) A battle tank
C) A satellite
D) A satellite launching vehicle
Answer: A
97. For broad gauge route with M + 7 sleeper density the number of sleepers per rail length is:
A) 18
B) 19
C) 20
D) 21
Answer: A
98. A train length 100 m long passes a bridge at a speed of 72 kmph in 25 seconds. The length of the bridge is:
A) 400 m
B) 150 m
C) 300 m
D) 200 m
Answer: A
99. Functional activities of a cell are controlled by
A) Protoplasm
B) Nucleolus
C) Mitochondria
D) Nucleus
Answer: B
100. A block of wood floats in water with 2/3 rd of its volume submerged. Its relative density is:
A) 1/3
B) 2/3
C) 4/3
D) 1/9
Answer: B
101. The first serving Chief Minister of an Indian state who lost his/her post after being convicted in a disproportionate assets case:
A) Lalu Prasad
B) Jagannath Mishra
C) J.Jayalaitha
D) B.S. Yeddyurappa
Answer: C
102. For complete combustion of 1 kg of carbon, ___________ oxygen is required.
A) 8 kg
B) 8/3 Kg
C) 3/8 kg
D) 1 kg
Answer: B
103. The power loss in resistor is given by
A) P = V^2R
B) P= V^2/R
C) P= I^2/R
D) P=V/I
Answer:B
104. In a P-N-P charge carriers, majority charge carriers are,
A) Holes
B) Electrons
C) Both A and B
D) None of these
Answer: B
105. Mohan and Ramesh are ranked seventh and eleventh respectively from a top their class of 41 students. What will be their respective ranks form the bottom of the class?
A) 30th and 34th
B) 34th and 30th
C) 35th and 31st
D) 36th and 32th
Answer: C
106. In a safety fuse, the temperature to which the wire gets heated is directly proportional to the:
A) Square of the current
B) Fourth power of the current
C) Cube of the current
D) None of these
Answer: A
107. In digital computer programming, subroutines are used:
A) to reduce the program execution time at the expense of more memory
B) to reduce storage requirements
C) to increase programming ease and resuce the storage requirements
D) because most of the functions are same
Answer: C
108. Which of these memories will be used to store variable data?
A) RAM
B) ROM
C) EPROM
D) PROM
Answer: C
109. The capacity of battery is given in terms of:
A) Ampere-hour
B) Voltage
C) Weight of battery
D) Volume of the electrolyte
Answer: A
110. Which of the following elements is not present in the stainless steel?
A) Iron
B) Tungsten
C) Chromium
D) Nickel
Answer: B
111. A bullet of mass is 0.01 kg is fired from a gun weighing 5.0 kg. If the initial speed of the bullet is 250 m/sec, calculate the speed with which the gun recoils.
A) -0.50 m/sec
B) + 0.05 m/sec
C) -.25 m/sec
D) +0.25 m/sec
Answer: A
112. Cod liver oil derived from the fish is a rich source of
A) Vitamin C
B) Vitamin B12
C) Vitamin D
D) Vitamin B13
Answer: C
113. 140 liters of acid contains 90% acid and rest water. The amount of water added to make the water 12.5% of the resulting mixture is:
A) 5 liters
B) 4 liters
C) 3 liters
D) 10 liters
Answer: B
114. Find the wrong number in the series:
8, 13, 21, 32, 47, 63, 83
A) 13
B) 21
C) 47
D) 83
Answer: C
115. A body of mass 20 kg is dropped from a height of 2 m. If g is take as 10 m/sec^2, the kinetic energy of the body, just before striking the ground will be,
A) 400 J
B) 4 J
C) 40 J
D) 10 J
Answer: A
116. If the first and 2nd digit of the sequence 5981327438 are interchanged and then third and fourth digits, fifth and sixth digits and so on, which digit would be seventh counting towards left?
A) 8
B) 2
C) 1
D) 4
Answer: A
117. If M men can complete a job in H hours, then how many hours will 5 men complete this job?
A) MH/5
B) 5H/M
C) M/5H
D) H/5
Answer: A
118. In human body, which of the following is the largest size?
A) Thyroid
B) Liver
C) Spleen
D) Pancreas
Answer: B
119. Which country is the largest producer of coffee in the world?
A) Sri Lanka
B) Brazil
C) India
D) China
Answer: B
120. Creeping occurs in:
A) Ammeter
B) Energy meter
C) Voltmeter
D) None of these
Answer: D
121. By selling a shirt for Rs. 450/-, a man loses 25%. At what price will he sell the shirt in order to gain 50%?
A) Rs. 600
B) Rs. 750
C) Rs. 900
D) Rs. 1000
Answer: A
122. The impact strength of a material is the index of:
A) Resistance to corrosion
B) Hardness
C) Toughness
D) None of these
Answer: C
123. Flow in a pipe is laminar, if the Reynolds number is:
A) Less than 2000
B) Between 2000 and 4000
C) Between 4000 and 6000
D) Above 6000
Answer: A
124. The headquarters of the east coast railway is located at:
A) Guwahati
B) Bhubaneshawar
C) Chennai
D) Secunderabad
Answer: B
125. ‘Indica’ was written by:
A) Chanakya
B) Magasthenes
C) Seleucus
D) Darivs
Answer: B
126. Which number is similar to 13, 7, and 11?
A) 9
B) 17
C) 12
D) 15
Answer: B
127. Who was the founder of slave dynasty?
A) IItutmish
B) Balban
C) Raziya
D) Qutub-ud-Din Aibak
Answer: D
128. The average salary of 30 employees in a company is Rs. 4000/-. If a manager’s salary is added. The average salary increases to Rs. 4300/-. What is the salary of the manager?
A) 10000/-
B) 13000/-
C) 12000/-
D) 13300/-
Answer: D
129. Seema invested a sum of Rs. 16,000/- for 2 years at compound interest and received an amount of Rs. 17,640/- on maturity. What is the rate of interest?
A) 8%
B) 5%
C) 4%
D) 3%
Answer: B
130. Center of buoyancy always:
A) Coincides with the center of gravity
B) Coincides with the centroid of the volume of the fluid displaced
C) Remains above the center of gravity
D) Remains below the center of gravity
Answer: C
131. Which of the following is a viral disease?
A) Tetanus
B) Tuberculosis
C) Typhoid
D) AIDS
Answer: D
132. The turbine suitable for low heads and high flow rates is:
A) Pelton wheel
B) Francis
C) Kaplan
D) All of these
Answer: B
133. Cores of the electric motors are generally made from lamination's of:
A) carbon
B) silicon steel
C) cast iron
D) None of these
Answer: C
134. The term RADAR stands for:
A) Radio detection and reflection
B) Radio detection and ranging
C) Radio waves dispatching and receiving
D) Random dispatching and receiving
Answer: B
135. A car travels at 80 km/hr and a plane travels at 16000 m/min. How far will the car have traveled when the plane travels 800 km?
A) 80.6 km
B) 66.7 km
C) 60.0 km
D) 63.5 km
Answer: B
136. Twelve years hence a man will be four times as he was 12 years ago. His present age is:
A) 25 years
B) 20 years
C) 28 years
D) 30 years
Answer: B
137. A grocer has 50 kg of rice. He sells a part of it at 8% profit and rest at 18% profit. He gains 15% on the whole. Find the quantity sold at 18% profit.
A) 20kg
B) 30 kg
C) 15 kg
D) 35 kg
Answer: C
138. Lissajous pattern obtained in a CRO depend upon which of the following properties of the two sine waves fed to it?
A) Frequency
B) Amplitude
C) Phase relationship
D) All of these
Answer: A
139. The representation fraction of 1/10000, signifies a scale of :
A) 1 cm = 10000 m
B) 1 cm = 10 km
C) 1 cm = 1 km
D) None of these
Answer: B
140. The primary host of Malaria parasite is:
A) Male Culex
B) Male Anopheles
C) Female Anopheles
D) Female Culex
Answer: C
141. The organic acid present in vinegar is:
A) Methanoic acid
B) Ethanoic acid
C) Propanoic acid
D) None of these
Answer: D
142. For thyristors pulse triggering is preferred to dc triggering because:
A) Gate dissipation is low
B) Pulse system is simpler
C) Triggering signal is required for short duration
D) All of above
Answer: A
143. Ravi travels at the rate of 3 km/hr and reaches 15 minutes late and if he travels at 4 km/hr, he reaches 15 minutes earlier. What is the distance he has to travel?
A) 2 km
B) 6 km
C) 7 km
D) 10 km
Answer: B
144. Find the value of {(4/3)^1/2 – (3/4)^1/2}.
A) 1
B) 8.66/2
C) 1/3.4
D) 7/12
Answer: C
145. Monetary policy of India is formulated and announced by:
A) State bank of India
B) Reserve bank of India
C) National development council
D) None of these
Answer: B
146. A rectangular field of 60 m length and 40 m width is surrounded by 5 m wide road. If the cost of making 1 sq.m of road is 1000 rupees, what shall be th cost of making entire road
A) Rs. 5,50,000
B) Rs. 11,00,000
C) Rs. 2,25,000
D) Can’t be calculated
Answer: B
147. The electrical switches are put in the:
A) Live wire
B) Earth wire
C) Neutral wire
D) Any one of these
Answer: A
148. Bacteria in the sewage are mostly:
A) Anaerobic
B) Pathogenic
C) Saprophytic
D) Parasitic
Answer: A
149. Name of the Chinese president who recently visited India is:
A) Hu Jintao
B) Xi Jinping
C) Shinzo Abe
D) Wen Jiabao
Answer: B
150. The decimal equivalent of 5/16 is:
A) 0.3005
B) 0.3180
C) 0.3135
D) 0.3125
Answer: D
If you have doubts about the RRB JE question papers, feel free to comment us, Thank you and wish you happy examination.
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