Junior Instructor (Arithmetic ­cum­ Drawing) Industrial Training 464/2016 Answer Key 118/2017

geometry

Post :  Junior Instructor (Arithmetic ­cum­ Drawing)
Department : Industrial Training
Category Code : 464/16
Question Paper Code : 118/17
Date of Test : 10-10-2017

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  1. The number ‘0’ is a :
    • Rational number 
    • Real number
    • Integer 
    • All these

  2. 100÷16 2/3=
    • 8

  3. Find 6% of 750.
    • 45 
    • 75 
    • 70 
    • 50

  4. Two third of the square of a certain number is 96. What is the number?
    • 16 
    • 32 
    • 12 
    • 14

  5. Which of the following cannot be the unit digit in a perfect square?
    • 1

  6. √1.69 - √0.01 =
    • 1.20 
    • 1.10 
    • 1.30 
    • 1.40

  7. The sum of first 50 natural numbers is :
    • 1025 
    • 1225 
    • 925 
    • 1275

  8. Find the least number which when increased by 8 is exactly divisible by 24, 32 and 36 .
    • 296 
    • 288 
    • 280 
    • 272

  9. Evaluate{(2.79)2 - (1.71)2}/2.79 -1.71
    • 2.79 
    • 5.84 
    • 4.50 
    • 5.80

  10. 3 −[3 −(3 −3(3+3))]=
    • 14 
    • 24 
    • −6 
    • −15

  11. The least number of 4 digits which is a perfect square is :
    • 1000 
    • 1024 
    • 1444 
    • 1009

  12. The difference between a number and its two-fifth is 24. What is the number?
    • 20 
    • 16 
    • 24 
    • 40

  13. If 6 men working on a job finish it in 40 days. In how many days 10 men will do the same job?
    • 20 
    • 22 
    • 32 
    • 24

  14. (mx/my)(x+y) (my/mz)(y+z)(mz/mx)(z+x)
    • x+y+z 
    • mxyz

  15. If log2=0.3010 and log3=0.4771; find the value of log √24 .
    • 0.6900 
    • 0.6020 
    • 0.9541 
    • 0.7781

  16. The product of two numbers is 90 and the sum of their squares is 349. The sum of the numbers is :
    • 18 
    • 33 
    • 23 
    • 42

  17. [(0.5)2 + (0.6)2]/[(0.3)2 - 0.03 + (0.6)2] is equal to :
    • 2.50 
    • 1.45 
    • 4.12 
    • 0.06

  18. sin 57°−cos 33°
    • −2 
    • 0

  19. Divide 9a2bc4  by −3abc2 :
    • 3abc 
    • 3ab2
    • −3ac2
    • −3ab2

  20. A man travels 20 km on foot at 5 km/hr and another 10 km at 20 km/hr by bus. What is the average speed?
    • 1.5 km/hr 
    • 5 km/hr 
    • 6 km/hr 
    • 6.67 km/hr

  21. What will 60% of a number be whose 150% is 120?
    • 36 
    • 48 
    • 64 
    • 42

  22. The top of a 20m high tower makes an angle of elevation of 608 with the bottom of an electrical pole and angle of elevation of 308 with the top of the pole. What is the height of the electric pole?
    • 5m 
    • 6.6m 
    • 13.3m 
    • 15.2m

  23. The smallest fraction among 3/5, 2/3, 5/6 and 7/10 is :
    • 3/5
    • 2/3
    • 5/6
    • 7/10

  24. If 5 : 4=35 : X, then the value of X is :
    • 42 
    • 70 
    • 32 
    • 28

  25. By selling a shirt of Rs. 630, a shopkeeper gains 5%. What is the cost price of the shirt?
    • Rs. 600 
    • Rs. 450 
    • Rs. 500 
    • Rs. 605

  26. Solve x/3 - 5/2 = 6
    • 33/2
    • 39/2
    • 51/2
    • 59/2

  27. The capacity of a cuboidal tank is 50,000 Litres. Find the breadth of the tank if the length and depth are 2.5m and 10m respectively.
    • 1m 
    • 1.5m 
    • 2m 
    • 2.5m

  28. If the diameter of a circle is doubled the area is :
    • quadrupled
    • doubled
    • halved
    • trebled

  29. The surface area of a cube is 600 cm2. The length of its diagonal is :
    • 10√3 cm
    • 10√2 cm
    • 10/√2
    • 10/√3
    Question error

  30. Rs. 250 is divided between Arun and Sasi, and Arun gets 100. Find the ratio of division of the amount.
    • 4 : 3
    • 5 : 1
    • 2 : 3
    • 1 : 3

  31. LCM of the numbers 3, 4 and 5 is :
    • 12
    • 20
    • 15
    • 60

  32. 130°F is equal to :
    • 54.4°C
    • 40.2°C
    • 65.5°C
    • 90°C

  33. 20 gallons is equal to :
    • 10 Litres
    • 9.1 Litres
    • 91.2 Litres
    • 200 Litres

  34. S.I unit of force is :
    • kgf
    • newton
    • pascal
    • kg/cm2

  35. A push of 15 kg and a pull of 20 kg act on a body in different direction. The resultant of two forces is :
    • 5 kg
    • 35 kg
    • 25 kg
    • 18 kg
    class="hint">Question error

  36. The permissible variation of a size is called :
    • Limit 
    • Allowance 
    • Tolerance 
    • Fit

  37. The size of the title block for all sizes of drawing sheet is ____mm×___mm.
    • 200×100 
    • 150×100 
    • 200×180 
    • 185×65

  38. Dimension lines, hatching and extension lines are drawn as :
    • thick lines
    • thin continuous line
    • long and thin chain line
    • thin and wavy lines

  39. The taper on a shaft is indicated along the :
    • outlines
    • dashed lines
    • dimension lines
    • centre lines

  40. Writing of titles, notes etc. on a drawing is called :
    • Lettering 
    • Dimensioning
    • Marking 
    • All of these

  41. In a small size hole, the thread is cut by a tool called _________.
    • chisel
    • tap 
    • die 
    • file

  42. In a single start thread the lead is ______ the pitch.
    • one-fourth
    • half
    • twice
    • same as

  43. ________ screw is used in the lead screw of a lathe.
    • square thread
    • V-thread
    • buttress
    • ACME-thread

  44. The distance by which the valve moves away from its seat is called :
    • pitch
    • lead
    • lift
    • shift

  45. What is increased in a step down transformer?
    • Voltage
    • Current
    • Wattage
    • none of these

  46. A dynamo converts :
    • high voltage into low voltage
    • low voltage into high voltage
    • electrical energy into mechanical energy
    • mechanical energy into electrical energy

  47. Example for 2nd order lever is :
    • scissors 
    • nutcracker 
    • tweezers 
    • see-saw

  48. 1 kcal is equal to :
    • 4.2 joules 
    • 420 joules 
    • 4200 joules 
    • 6000 joules

  49. Coefficient of friction is equal to the ratio of limiting friction to :
    • static friction 
    • sliding friction 
    • kinetic friction 
    • normal reaction

  50. Specific gravity of kerosene is 0.8 g/cm3 . Then the volume of 1 kg of kerosene is :
    • 800 cm3
    • 1250 cm3
    • 8 cm3
    • 120 cm3

  51. The property of a material to resist deformation under stress :
    • Hardness 
    • Plasticity 
    • Stiffness 
    • Brittleness

  52. Bronze is an alloy of copper and __________ .
    • Tin 
    • Lead 
    • Zinc 
    • Aluminium

  53. Engine cylinders are made of :
    • Mild steel 
    • Carbon steel 
    • High speed steel 
    • Cast iron

  54. The effective resistance of three resistors 3Ω, 4Ω, 5Ω used in series connection is ________.
    • 7 Ω 
    • 5 Ω 
    • 12 Ω 
    • 3 Ω

  55. A resistance of 900 Ω is connected across 220 V supply. The power of the current is :
    • 54W 
    • 180W 
    • 360W 
    • 760W

  56. The ratio of shear stress to shear strain is :
    • Youngs modulus 
    • Bulk modulus
    • Rigidity modulus 
    • Poisson’s ratio

  57. Find the amount of heat required to raise the temperature of 3.2 litres of water from 30°C to 48°C.
    • 42.0 kcal 
    • 57.6 kcal 
    • 36.5 kcal 
    • 78.5 kcal

  58. Melting point of Iron is :
    • 1538°C 
    • 2050°C 
    • 1538°F 
    • 2050°F

  59. Specific gravity of mercury is :
    • 1.36 g/cm3
    • 13.6 g/cm3
    • 1 g/cm3
    • 2.5 g/cm3

  60. Eddy current loss in a transformer is reduced by :
    • using thick wires 
    • using material with low hysteresis loss
    • having a laminated core
    • using iron core

  61. The resistance and tolerance of a yellow, violet, red coded resistor respectively are :
    • 47 kΩ, 10% 
    • 4.7 kΩ, 10% 
    • 47kΩ, 20% 
    • 4.7 kΩ, 20%

  62. If an element of atomic number 15 has an isotope of mass number 32 :
    • The number of neutrons in the nucleus is 17
    • The number of neutrons in the nucleus is 15
    • The number of protons in the nucleus is 17
    • The number of nucleons in the nucleus is 15

  63. The impurity atoms with which a pure silicon be doped to make a p-type semiconductor is :
    • Aluminium 
    • Arsenic 
    • Antimony 
    • Germanium

  64. The range of frequencies allotted for FM radios is :
    • 88 to 108 kHz 
    • 88 to 108 MHz 
    • 47 to 230 kHz 
    • 47 to 230 MHz

  65. The sound produced by a tuning fork is a :
    • analog signal 
    • digital signal
    • both analog signal and digital signal 
    • pulse signal

  66. The graph of the equation y=5x2+2 is a :
    • Hyperbola 
    • Line 
    • Circle 
    • Parabola

  67. If A : B=3 : 5 and B : C=4 : 7, then A : B : C=?
    • 15 : 20 : 30
    • 30 : 20 : 35
    • 12 : 20 : 35
    • 30 : 10 : 12

  68. The sum of four times a number and 9 is same as one-third that number increased by 31. Find the number.
    • 6
    • 3
    • 2
    • 12

  69. Value of tan 300° is :
    • √2
    • √3
    • −√2
    • −√3

  70. The quadratic equation ax 2+bx+c=0 has two distinct real roots. Which of the following statements is true?
    • b2 > 4ac
    • b2=4ac
    • 2b2=4ac
    • b2 < 4ac

  71. The change in direction of the path of light ray when it passes from one medium to another is called :
    • Interference
    • Refraction
    • Dispersion
    • Diffraction

  72. The least count of a micrometer is :
    • 0.01mm
    • 0.001mm
    • 0.02mm
    • 0.002mm

  73. The binary number equal to the numeral 12 is :
    • 1001
    • 1110
    • 1010
    • 1100

  74. Which among the following is the smallest diameter of a screw thread?
    • Major diameter
    • Minor diameter
    • Internal thread diameter
    • External thread diameter

  75. The locus of the tip of a string when it is wound or unwound around a solid keeping it always tight is a :
    • Cycloid
    • Involute
    • Ellipse
    • Helix

  76. The measured size of a finished part is :
    • Actual size
    • Basic size
    • Dimensioned size
    • Production size

  77. Hygrometer is used to measure :
    • temperature
    • pressure 
    • specific gravity
    • humidity

  78. pH value of an acid is :
    • less than 7
    • greater than 7
    • equal to 7
    • none of these

  79. Resistance of a conductor is directly proportional to :
    • length
    • area of cross section
    • time
    • none of these

  80. The curved surface area of a cylindrical roller is 60π cm2 . If the roller is 10cm long, its radius is :
    • 6.5 cm
    • 3.0 cm
    • 1.6 cm
    • 2.5 cm

  81. Who among the following brought out a journal called “Srimati” for promoting the cause of women’s rights?
    • Arya Pallam 
    • Lalitha Prabhu
    • Lalithambika Antharjanam 
    • Anna Chandi

  82. Pradhan Mantri Kaushal Vikas Yojana is meant for __________.
    • Urban Development 
    • Housing
    • Pension 
    • Skill Development

  83. World No Tobacco Day is on __________.
    • May 29 
    • May 30 
    • May 31 
    • June 1

  84. In which year Mr. Madhavan was elected to the SreeMoolam PrajaSabha, a legislative council of Travancore?
    • 1915 
    • 1918 
    • 1923 
    • 1926

  85. The renowned social and educational activist George Kurian is recently appointed as __________.
    • Chairman of National Commission for Women
    • Vice-Chairman of National Commission for Minorities
    • Chairman of National Commission for Child Welfare
    • Chairman of National Commission for Scheduled Tribes

  86. In which part of the constitution embodied the directive principles of state policy?
    • Part IV 
    • Part III 
    • Part II 
    • Part I

  87. The Yachana Yatra led by V.T Bhattathiripad in 1931 was for __________.
    • Education of Poor Children
    • Employment Opportunities for the Educated
    • Protecting the Rights of Namboodiris
    • Food for the Needy

  88. Which of the following institution is instrumental in starting the Kerala State Literacy Mission, which led Kerala to its universal literacy movement?
    • PRATHAM 
    • KANFED 
    • Samathwa Samajam 
    • SPREAD

  89. The government scheme providing additional wage employment and food security, alongside creation of durable community assets in rural areas is known as _________.
    • Swarnajayanti Gram Swarozgar Yojana
    • Sampoorna Grameen Rozgar Yojana
    • Swavalamban
    • Swabhiman

  90. The author of Chandramukhi Vilasam is __________.
    • Kerala Varma Valiya Koi Thampuran
    • Kodungallur Kochunni Thampuran
    • C.V. Raman Pillai
    • K.C. Kesava Pillai

  91. Which state government has announced free education for girls in Government Schools and Colleges from Nursery to PhD?
    • Kerala 
    • Haryana 
    • Chandigarh 
    • Punjab

  92. Headquarter of Asian Development Bank is __________.
    • Manila 
    • Bangkok 
    • Jakarta 
    • Hanoi

  93. P. KesavaDev’s book on Russian Revolution is known as _________.
    • Fire and Spark
    • The Story of the Russian Revolution
    • A People’s Tragedy
    • Ten Days That Shook the World

  94. Which of the following Article of Indian Constitution deals with the amendment of the Constitution?
    • Article 356 
    • Article 359 
    • Article 368 
    • Article 342

  95. Malayali Memorial agitation requested __________ to secure jobs for the educated Keralite citizens in the Travancore civil service.
    • Vishakham Tirunal 
    • Pooradom Tirunal
    • Chithira Tirunal 
    • Moolam Tirunal

  96. In which year Benjamin Baily established his printing press in Kottayam?
    • 1825 
    • 1831 
    • 1835 
    • 1821

  97. The Dalit activist, who founded Cheramar Mahajan Sabha is _________.
    • Moorkoth Kumaran 
    • Pampady John Joseph
    • M.C. Joseph 
    • Poikayil Yohannan

  98. Kerala Granthashala Sangham was initiated by __________.
    • C. Krishnan 
    • V.T. Bhattathiripad
    • Puthuvayil Narayana Panicker 
    • K.P. Vellon

  99. Who prepared a “Land Reclamation Scheme” in 1952 and submitted the report to the TiruKochi Government?
    • Ayyathan Gopalan 
    • Kuroor Neelakandan
    • Velukkutty Arayan 
    • M.C. Joseph

  100. Who organized Samathwa Samajam to propagate the concept of equality and dignity of all human beings?
    • Aiyya Vaikundar 
    • C.V. Kunjuraman
    • G.P. Pillai 
    • Brahmananda Sivayogi

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