154/2015

Maximum: 100 marks Time 1 hour and 15 minutes
1. In S.L units Joule is expressed as
Nm/s Nm
Nm2 mN
2. Modulus of rigidity is experimentally the ratio of:

Linear stress to longitudinal strain


Hydrostatic stress to volumetric strain


Axial stress to lateral strain


Shear stress to shear strain


3. The definition of Specific fuel consumption is

Fuel consumption per BHP Fuel consumption for hour


Fuel consumption per hour per BHP Fuel consumption per IHP


4. The longitudinal (axial) stress for a thin cylinder of mean radius r. wall thickness t and subjected to an internal fluid pressure P. would be
pr/4t 2pr/t

5. The height of water column corresponding to a pressure of 54 KN/m2 is

5.5 m 8.5 m


11.0 m 4.5 m


6. The ratio of the capacity of a compressor to the piston displacement of the compressor is known as:

Volumetric efficiency Theoretical horsepower


Compressor effiCiency Brake horse power


7. The use of cupola is to make:

Wrought Iron Pig Iron


Steel Cast Iron


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8. The process used in summer air conditioning is known as

Humidification Heating and humidification


De humidification Cooling and dehumidification


9. Temperature of human body is 94.2°F. Its corresponding temperature in celsius scale is

73.78°c 34.56°c


371.4°c 1l0.67°c


10. In the cast Iron the percentage of carbon usually varies between:

0.5 to 1.0% O.lto 0.2%


1.0 to 1.5% 2.5 to 3.5%


11. The ratio of total emissive power of a body to the total emissive power of a black body is called:

Reflectivity Absorptivity


Transmitivity Emissivity


12. Factor of safety is defined as the ratio of:

Endurance limit to yield stress Elastic limit to ultimate stress


Yield stress to working stress Breaking stress to working stress


13. A simply supported beam of span carries a uniformly distributed load over the whole span. The shear force diagram will be

a rectangle a triangle


two equal and opposite triangles two equal and opposite rectangles


14. When a shaft of diameter d is subjected to torsional load the maximum shear stress fs, induced in the shaft is given by the relation:
16Tfs 64T

mJ: m13
fs= 8T 32T m13 nd3
15. The torsion equation is given by TIJ=fsIR=C81L TIR=fsIJ=C8IL Tlfs=RIJ=C81L TIJ=fs=R=LIC8
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16. Sweep patternR are used for:

Non ferrous castings Coreless objects


Large circular castings Tiny objects


17. A steel plate is immersed in an oil of specific weight 8 kNlm3 upto a depth of 3 m. What is the intensity of pressure on the plate due to the oil
24 kN/m2 48 kN/m2
12 kN/m2 56 kN/m2
18. The Elliptic trammels and Oldhams coupling are the inversion of:

Double slider crank chain Single slider crank chain


Four bar chair Crossed slider crank chain


19. The hydraulic gradient line is

some times above the energy gradient line


at velocity head below the energy gradient line


is always sloping downwards along the flow direction


is always above the axis of the closed conduct


20. Bar is the unit of:

Entropy Energy


Power Pressure


21. The difference between the upper limit and lower limit of a dimension is known as

Nominal size Tolerance


Basic size Actual size


22. In a flat belt drive, the belt can be subjected to a maximum tension T and centrifugal tension Tc. The condition for transmission of maximum power is given by

T 2Tc T=Tc


T 3Tc T .J3Tc


23. A gas whose original pressure, volume and temperature were 120 KN/m2, 0.1 m3 and 30·c respectively is compressed to 600 KN/m2 and 50·c. The new volume of the gas is

0.0426 m3 2.1 m3


22.1 m3 0.0213 m3


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24. The device, which holds and locates a work piece and guides and controls one or more cutting tools, is known as

Lathe Template


Fixture Jig


25. Critical temperature of a gas is the temperature:

above which it cannot be liquefied


at which its liquefaction just starts


at which the intermolecular gap is reduced to zero


at which its liquefaction is complete


26. The process which takes place below recrystallisation temperature is known as

Grinding Hot working process


Cold working process Casting


27. Which air standard cycle consists of two isothermal processes and two adiabatic processes?

Diesel cycle Ericson cycle


Otto cycle Carnot cycle


28. An example of a natural abrasive from the following:

Diamond Aluminium oxide


Boron carbide Silicon carbide


29. In the mollier diagram the abscissa represents

Total heat Entropy


Temperature Pressure


30. The tool is stationery and the work reciprocates in case of a

Planer Milling machine


Shaper Slotter


31. The use of Fusible plug in a boiler is to

Extinguish the fire in case oflow water level


Prevent the leakage of steam from boiler


Allow passage of only superheated steam from the boiler


Keep the boiler pressure within prescribed limits


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32. Inter cooling in multistage compression reduces
Index of compression Volume of free air delivered
The work input to compressor The pressure of air at delivery

33. The beginning and the end of a task is called:

An event An activity


Slack Dummy


34. The equivalent quantity of one ton of refrigeration is
5KW 3.5KW
2.5 KW 1 KW
35. Newton's law of viscosity states that:

Shear stress is directly proportional to the viscosity


Shear stress is directly proportional to velocity


Shear stress is directly proportional to velocity gradient


Shear stress is directly proportional to shear strain


36. The cycle in which the open cycle gas turbine works on

Rankine cycle Carnot cycle


Brayton cycle Otto cycle


37. A certain element has a half life of 22 days. Its average life is

31.74 days 44.13 days


11.89 days 5.56 days


38. Dimetral pitch is defined as the ratio of

Pitch circle diameter to number of teeth


Number of teeth to pitch circle diameter


Circumference of pitch circle to number of teeth


Number of teeth to the circular pitch


39. The process of increasing thickness of a bar at its expense of its length and is brought by end pressure:

Drawing down Upsetting


Fullering Punching


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40. The flow in the pipe is laminar if

Reynold number is equal to 2,500 Reynold number is equal to 4,000


Reynold number is more than 2,500 None of the above


41. Venturimeter is used to measure:

Discharge Pressure at a point


Average velocity Velocity at a point


42. When two bodies are in thermal equilibrium with a third body, they are also in thermal equilibrium with each other. This statement is called:

Zeroth law of thermodynamics 2nd law of thermodynamics


1" law of thermodynamics Gaylussac's law


43. The basic law of heat conduction is called:

Newton's law of cooling Kirchoff's law


Fourier's law Stefan's law


44. A boiler was purchased, erected and installed with an amount of Rs. 52,000/-. The scrap value estimated after 20 years is Rs.15,000/-the rate of depreciation is

Rs. Rs.


Rs. Rs. 750/­


45. The ratio of the specific weight of a liquid to specific weight of a standard fluid is known as

Specific volume Weight density


Specific gravity Viscosity


46. The centre to centre distance between two consecutive rivets in a row is called:

Margin Pitch


Back pitch Diagonal pitch


47. Kaplan turbine is

a high head mixed flow turbine an outward flow reaction turbine


an impulse inward flow turbine axial flow reaction turbine


48. The position of centre of gravity of a hemisphere of radius lies on the central radius at a distance:

2/3 r 1/2 r


3/4 r 3/8 r


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49. Sinking fund is associated with:

Period of reduced economic activity Machine depreciation


Cost of equity and debt Machine replacement


50. In electro discharge machining the tool is made of:

Tungsten carbide Stain less steel


Brass or copper Diamond


51. Lathe centres are provided with a standard taper known as

Seller's taper Chapman taper


Jarno taper Morse taper


52. Which of the following is not foundry tool?

Arbor Riddle


Slick Trowel


53. A system of working known as functional organisation was introduced by

Newton F.W. Taylor


Gilberth Gnatt


54. Break-even point is the point where:

Variable and total cost lines intersect


Total cost and sales revenue lines intersect


Fixed and variable cost lines intersect


Total cost and fixed lines intersect


55. A surface with an area 2 x m2 emits radiation as a black body at a temperature of 1000
K. Stephan Boltzman constant a 5.67 x 1Q-8 w/m2 k4 what is the energy emitted into the entire hemispherical space:

22.68 W 5.66 W


11.34 W 328 W


56. Air vessel in a reciprocating pump is used:

to obtain a continues supply of water at uniform rate


to reduce suction head


to increase the delivery head


to reduce the discharge


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57. In milling machines the Indexing of the job is done with:

Differential mechanism Dividing head


Face plate Arbor


58. The dimensional formula of dynamic viscosity are

ML-2T-2 MLT


ML-1T-2 ML-1T-1


59. The purpose of Surge tank in a pipe line is to

Make the flow uniform in pipe


Reduce the loss of head due to friction in pipe


Relieve the pressure due to water hammer


Increase the velocity in the pipe


60. Brass is an alloy of copper and:

Aluminium Tin


Zinc Lead


61. A microprocessor unit, a memory unit and an input I output unit form, a

CPU Compiler


Microcomputer ALU


62. An ideal operational amplifier has:

Infinite output impedance Zero input impedance


Infinite Bandwidth All of the above


63. Which type of signal is represented by discrete values?

Noisy signal Non linear


Digital Analog


64. The gauge factor of strain gauge is normally of the order of:

0.5 to 1 1 to 1.5


1.5to21 5to10


65. The logic gate that will have high or "1" at the output when anyone at the inputs is high is a

OR gate AND gate


NOR gate NOT gate


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66. Aportcanbe:

Strictly for input Bidirectional


Strictly for output All of the above


67. Reynold's number of stream lined flow is

Less than 2000 More than 2000


More than 6000 None ofthe above


68. Standard pneumatic output of an lIP converter is

3 to 15 kg/cm2 3 to 15 rnA


0.22 to 1 kg/cm2 1.5 to 7 kg cm2


69. For flow measurement of highly corrosive and erosive fluids used.

Venturi meter Rotameter


Magnetic flow meter Pitot tube


70. Hydraulic controller have gam.

Low Medium


High None of the above


71. A 4 -20 rnA electronic transmitter has an input range of 50·c. If the output is 12 rnA, What IS the indicated temperature in centigrade?

10° 25°


30° 40·


72. is the final control element in most process control system.

Controller Control Valve


Transmitter Amplifier


73. An Angularity error is in the: CA) Energy meter Watt meter
BT Pressure gauge Micrometer
74. Vortex meter transducer is used for:

Temperature Pressure


Level Flow


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75. The most popular medium for the data highway for DCS Communication is

Internet Web


Ethernet Modem


76. In closed -loop control system, the input has control over:

Open loop Output


Feed -back Set point


77. Full form of HART is:

Highway Accessable Range Transmitter


Highway Addressable Remote Transmitter


Highway Accessable Remote Transducer


Highway Addressable Range Transmitter


78. When the pressure of water increases, its volume?

Increases Not change


Decreases None of the above


79. Instrument air point is more suitable for pneumatic instrumentation.

32° 25°


4° 40°


80. Ifproportional band is less, controller response will be

Low Medium


High Infinite


81. Kollam era of Kerala was started in

78 AD 825 AD


248 AD 606 AD


82. Modern postal system in India was established by

Lord Clive Lord Curwn


Lord Dalhousie Lord Cornwallis


83. Which of the following has won the under -20 FIFA World cup in 2013?

Spain Uruguay


Italy France


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84. As per the census ofIndia 2011, which is the density of population?

392 348


382 325


85. "Vazhapalli Inscription" is the earliest epigraphical record be discov.ered from Kerala.

Chera King Chola King


Pandya King Pallava King


86. What is the language of Sangam Literature?

Sanskrit Prakrit


Pali Tamil


87. The travancore ruler who abolished slave trade (Forced Labour)

Gouri Parvati Bhai Gouri Lakshmi Bhai


Setu Lakshmi Bhai Rani Gangadhara Lakshmi


88. The 45th Dada Saheb Phalke Award Winner:

Pran Soumitra Chatterjee


GuIzar Mrinal Sen


89. Who was the president of India on June 25th, 1975?

Zail Singh V.v. Giri


Fakhruddin Ali Ahmed Neekm Reddy


90. Who is known as the 'Father of Kerala -Renaissance'?

Sree Narayana Guru Chattampi Swamikal


Ayyankali Brahmananda Swami Sivayogi


91. The Portuguese built their first fort on Indian soil in the territory of the Raja of:

Bijapur Calicut


Daman Cochin


92. 'Wagan Tradgedy' was in connection with:

Pazhassi revolt SanthaI rebellion


Malabar rebellion Kurichiya revolt


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93. World Worker's day was observed on

June May-l


October December


94. Which is considered as the second largest river basin of India?

Narmada Godavari


Ganga Cauvery


95. The Accidental Prime Minister: Making and unmaking of Man Mohan Singh: Was written by:

Ravuri Bharadwaja Shashi Tharoor


Narendra Kholi Sanjaya Baru


96. 'Sunda Trench' is the greatest known depth of an ocean. Which among the following it belongs?

Indian Ocean Pacific Ocean


Atlantic Ocean Arctic Ocean


97. 'Mukundamala' in Sanskrit was written by

Tolan Vasudeva Bhattatiri


Kulasekhara Alwar Sankara Narayana


98. Who became the editor of'Yuktivadi' magazine in 1928?

Sahodaran Ayyappan Blessed Kuriakose -Elias Chavara


C. Krishnan A.K Pillai


99. Which one of the following states of India receives lowest average annual rainfall?

Odisha Jammu and Kashmir


Himachal Pradesh Madhya Pradesh


100. Where is the headquarters of the Zoological Survey of India

Delhi Madras


Mumbai Kolkata


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