FOREMAN(GOV.INSTRAMENT WORKSHOP),SIDCO SOLVED PAPER 2015

FOREMAN(GOV.INSTRAMENT WORKSHOP),SIDCO

EXAM DATE:19-08-2015
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1.In S.I.Unit Joule is expressed as:

A.Nm/s

B.Nm*

C.Nm²

D.mN

Ans:B

2.Modulus of rigidity is experimentally the ratio of:

A.Linerar stress to longitudinal strain

B.Hydrostatic stress to volumetric strain

C.Axial stress to lateral strain

D.Shear stress to shear strain*

Ans:D

3.The definition of Specific fuel consumption is:

A.Fuel consumption per BHP

B.Fuel Consumption for hour

C.Fuel consumption per hour per BHP*

D.Fuel consumption per IHP

Ans:C

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:

A.pr/4t

B.2pr/t

C.pr/t

D.Pr2t*

Ans:D

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

A.5.5 m*

B.8.5 m

C.11.0 m

D.4.5 m

Ans:A

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

A.Volumetric efficiency*

B.Theoretical horsepower

C.Compressor efficiency

D.Brake horse power

Ans:A

7.The use of cupola is to make:

A.Wrought iron

B.Pig iron

C.Steel

D.Cast iron*

Ans:D

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

A.Humidification

B.Heating humidification

C.De humidification

D.Cooling and dehumidification*

Ans:D

9.Temperature of human body is 94.2⁰F its corresponding temperature in Celsius scale is:

A.73.78⁰C

B.34.56⁰C*

C.371.4⁰C

D.110.67⁰C

Ans:B

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

A.0.5 to 1.0%

B.0.1 to 0.2%

C.1.0 to 1.5%

D.2.5 to 3.5%*

Ans:D

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

A.Reflectovity

B.Absorptivity

C.Transmitivity

D.Emissivity*

Ans:D

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

A.Endurance limit to yield stress

B.Elastic limit to ultimate stress

C.Yield stress to working stress*

D.Breaking stress to working stress

Ans:C

13.A simply supported beam of span(/)carries a uniformally distributed load over the whole span .The shear force diagram will be:

A.A rectangle

A.A triangle

C.Two equal and opposite triangles*

D.Two equal and opposite rectangles

Ans:C

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

A.FsA.64T/pie*d³

B.fs*16T/pie*d³*

C.fs=8T/pie*d³

D.fs*32T/pie*d³

Ans:B

15.The torsion equation is given by:

A.T/J=fsl R=C*theta/L*

B.T/fs=R/J=C*theta/L

C.T/R=fs/j=C*theta/L

D.T/J=fs=R=L/C*theta

Ans:A

16.Sweep patterns are used for:

A.Non ferrous castings

B.Coreless objects

C.Large circular castings*

D.Tiny objects

Ans:C

17.A steel plate is immersed in an oil of specific weight 8 kN/m³ upto a depth of 3 m.What is the intensity of pressure on the plate due to the oil:

A.24kN/m²*

B.48kN/m²

C.12kN/m²

D.56 kN/m²

Ans:A

18.The Elliptic trammels and Oldhams coupling are the inversion of:

A.Double slider crank chain*

B.Single slider crank chain

C.Four bar chair

D.Crossed slider crank chain

Ans:A

19.The hydraulic gradient line is:

A.Some times above the energy gradient line

B.At velocity head below the energy gradient line*

C.Is always sloping downwards along the flow direction

D.Is always above the axis of the closed conduct

Ans:B

20.Bar is the unit of:

A.Entropy

B.Energy

C.Power

D.Pressure*

Ans:D

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

A.Nominal size

B.Tolerance*

C.Basic size

D.Actual size

Ans:B

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:

A.T=2Tc

B.T=Tc

C.T=3Tc*

D.T=Square root of 3 Tc

Ans:C

23.Agas whose original pressure,volume and temperature were 120 KN/m²,0.1 m³ and 30⁰C respectively is compressed to 600 KN/m² and 50⁰C.The new volume of the gas is:

A.0.0426 m³

B.2.1m³

C.22.1m³

D.0.213m³*

Ans:D

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

A.Lathe

B.Template

C.Fixture

D.Jig*

Ans:D

25.Critical temperature of a gas is the temperature:

A.Above which it cannot be liquefied*

B.At which its liquefaction just starts

C.At which the intermolecular gap is reduced to zero

D.At which its liquefaction is complete

Ans:A

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

A.Grinding

B.Hot working process

C.Cold working process*

D.Casting

Ans:C

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

A.Diesel cycle

B.Ericson cycle

C.Otte Cycle

D.Camot cycle*

Ans:D

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

A.Diamond*

B.Aluminium oxide

C.Boron carbide

D.Silicon carbide

Ans:A

29.In the mollier diagram the abscissa represents

A.Total heat

B.Entropy*

C.Temperature

D.Pressure

Ans:B

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

A.Planer*

B.Milling machine

C.Shaper

D.Slotter
Ans:A

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

A.Extinguish the fire in case of low water level*

B.Prevent the leakage of steam from boiler

C.Allow passage of only superheated steam from the boiler

D.Keep the boiler pressure within prescribed limits

Ans:A

32.Inter cooling in multistage compression reduces

A.Index of compression

B.Volume of free air delivered

C.The work input of compressor*

D.The pressure of air at delivery

Ans:C

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

A.An event*

B.An activity

C.Stack

D.Dummy

Ans:A

34.The equivalent quantity of one ton of refrigeration is:

A.5 KW

B.3.5 KW*

C.2.5 KW

D.1 KW

Ans:B

35.Newton;s law of viscosity states that:

A.Shear stress is directly proportional to the viscosity

B.Shear stress is directly proportional to velocity

C.Shear stress is directly proportional to velocity gradient*

D.Shear stress is directly proportional to shear strain

Ans:C

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

A.Rankine cycle

B.Carnot cycle

C.Brayton cycle*

D.Otto cycle

Ans:C

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

A.31.74 days*

B.44.13 days

C.11.89 days

D.5.56 days

Ans:A

38.Dimetral pitch is defined as the ratio of:

A.Pitch cycle diameter to number of teeth

B.Number of teeth to pitch circle diameter*

C.Circumference of pitch circle to Number of teeth

D.Number of teeth to the circular pitch

Ans:B

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

A.Drawing down

B.Upsetting*

C.Fullering

D.Punching

Ans:B

40.The flow in the pipe is faminar if:

A.Raynold number is equal to 2,500

B.Reynold number is equal to  4,000

C.Reynold number is more than 2,500

D.None of the above*

Ans:D

41.Venturimeter is used to measure:

A.Discharge*

B.Pressure at a point

C.Average velocity

D.Velocity at a point

Ans:A

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

A.Zerothlawofthermodynamics*

B.2^nd law of thermodynamics

C.1^st law of thermodynamics

D.Gaylussac’s law

Ans:A

43.The basic law of heat conduction is called:

A.Newton’s law of cooling

B.Kirchoff’s law

C.Fourier’s law*

D.Stefan’s law

Ans:C

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:

A.Rs.37,000/-

B.Rs.1,850/-*

C.Rs.2,600/-

D.Rs.750/-

Ans:B

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

A.Specific volume

B.Weight density

C.Specific gravity*

D.Viscosity

Ans:C

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

A.Margin

B.Pitch*

C.Back pitch

D.Diagonal pitch

Ans:B

47.Kaplan turbine is:

A.Ahigh head mixed flow turbine

B.An outward flow reaction turbine

C.An impulse inward flow turbine

D.Axial flow reaction turbine*

Ans:D

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

A.2/3 r

B.1/2 r

C.3/4 r

D.3/8 r*

Ans:D

49.Sinking fund is associated  with:

A.Period of reduced economic activity

B.Machine depreciation*

C.Cost of equity and debt

D.Machine replacement

Ans:B

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

A.Tungsten carbide

B.Stain less steel

C.Brass or copper*

D.Diamond

Ans:C

51.Lathe centers are provided with a standard taper known as:

A.Seller’s taper

B.Chapman taper

C.Jamo taper

D.Morse taper*

Ans:D

52.Which of the following is not foundry tool?

A.Arbor*

B.Riddle

C.Slick

D.Trowel

Ans:A

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

A.Newton
B.F.W.Taylor*

C.Gilberth

D.Gnatt

Ans:B

54.Break-even point is the point where:

A.Variable and total cost lines intersect

B.Total cost and sales revenue lines intersect*

C.Fixed and variable cost lines intersect

D.Total cost and fixed lines intersect

Ans:B

55.A surface with an area 2x10⁴m² emites radiation as a black body at a temperature of 1000K.Stephen Boltzman constant=5.67 x 10^-8 w/m²k⁴ what is the energy emitted into the entire hemispherical space:

A.22.68 W

B.5.66 W

C.11.34 W*

D.329 W

Ans:C

56.Air  yessel in a reciprocating pump is used:

A.To obtain a continues supply of water at uniform rate*

B.To reduce suction head

C.To increase the delivery head

D.To reduce the discharge

Ans:A

57.In rolling machines the indexing of the job is done with:

A.Differential mechanism

B.Dividing head*

C.Face plate

D.Arbor

Ans:B

58.The dimensional formula of dynamic viscosity are:

A.ML^-2T^-2

B.MLT

C.ML^-1T^-2

D.ML^-1T^-1*

Ans:D

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

A.Make the flow uniform in pipe

B.Reduce the loss of head due to friction in pipe

C.Relieve the pressure due to water hammer*

D.Increase the velocity in the pipe

Ans:C

60.Brass is an alloy of copper and:

A.Aluminium

B.Tin

C.Zinc*

D.Lead

Ans:C

61.A microprocessor unit,a memory  unit and an input/output unit from a:

A.CPU*

B.Compiler

C.Microcomputer

D.ALU

Ans:A

62.An ideal operational amplifier has:

A.Infinite output impedence

B.Zero input impedance

C.Infinite Bandwidth*

D.All the above

Ans:C

63.Which type of signal represented by discrete values?

A.Noisy signal

B.Non linear

C.Digital*

D.Analog

Ans:C

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

A.0.5 to 1

B.1 to 1.5

C.1.5 to 21*

D.5 to 10

Ans:C

65.The logic gate that will have high or”1”at the output when any one at the inputs is high is a(n):

A.OR gate*

B.AND gate

C.NOR gate

D.NOT gate

Ans:A

66.A port can be:

A.Strictly for  input

B.Bidirectional*

C.Strictly for output

D.All of the above

Ans:B

67.Reynold’s number of stream lined flow is:

A.Less than 2000*

B.More than 2000

C.More than 6000

D.None of the above

Ans:A

68.Standard pneumatic output of an I/P converter is:

A.3 to 15 kg/cm²

B.3 to 15 mA

C.0.22 to 1 kg/cm²*

D.1.5 to 7 kg/cm²

Ans:C

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

A.Venturi meter

B.Rotameter
C.Magnetic flow meter*

D.Pitot tube

Ans:C

70.Hydraulic controller have power gain.

A.Low

B.Medium

C.High*

D.None of the above

Ans:C

71.A 4-20 mA electronic transmitter has an input range of 50⁰C.If the output is 12 mA,What is ---------the indicated temperature in centigrade?

A.10⁰

B.25⁰*

C.30⁰

D.40⁰

Ans:B

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

A.Controller

B.Control Valve*

C.Transmitter

D.Amplifier

Ans:B

73.An Angularity error is in the:

A.Energy meter

B.Watt meter

C.BT Pressure gauge*

D.Micrometer

Ans:C

74.Vortex meter transducer is used for:

A.Temperature

B.Pressure

C.Level

D.Flow*

Ans:D

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

A.Internet

B.Web

C.Ethernet*

D.Modem

Ans:C

76.Inclosed –loop control system,the input has control over:

A.Open loop

B.Output*

C.Feed-back

D.Set point

Ans:B

77.Full form of HART is:

A.Highway Accessable Range Transmitter

B.Highway Addressable Remote Transmitter*

C.Highway Accessable Remote Transducer

D.Highway Addressable Range Transmitter

Ans:B

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

A.Increases

B.Not change

C.Decreases*

D.None of the above

Ans:C

79.Instrument air of----------dew point is more suitable for pneumatic instrumentation.

A.32⁰

B.25⁰

C.4⁰*

D.40⁰

Ans:C

80.If proportional band is less,controller response will be:

A.Low

B.Medium

C.High*

D.Infinite

Ans:C

81.Kollam era of Kerala was started in:

A.78 A.D

B.825 A.D*

C.248 AD

D.606 AD

Ans:B

82.Modern postal system in India was established by:

A.Lord Clive*

B.Lord Curzon

C.Lord Delhousie

D.Lord Cornwallis

Ans:A

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

A.Spain

B.Uruguay

C.Italy

D.France*

Ans:D

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

A.392

B.348

C.382*

D.325

Ans:C

85.”Vazhapalli inscription”is the earliest epigraphical record of –to be discovered from Kerala

A.Chera King*

B.Chola King

C.Pandya King

D.Pallava King

Ans:A

86.What is the language of Sangam Literature?

A.Sanskrit

B.Prakrit

C.Pali

D.Tamil*

Ans:D

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

A.Gouri Parvati Bhai

B.Gouri Lakshmi Bhai*

C.Sethu Lakshmi Bhai

D.Rani Gangadhara Lakshmi

Ans:B

88.The 45^th Dada Seaheb Phalke Award Winner?

A.Pran

B.Soumitra Chatterjee

C.Gulzar*

D.Mrinal Sen

Ans:C

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

A.Zail Singh

B.V.V.Giri

C.Fakhruddin Ali Ahammed*

D.Neelam Reddy

Ans:C

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

A.Sree Narayana Guru*

B.Chattampi Swamikal

C.Ayyankali

D.Brahmananda Swami Sivayogi

Ans:A

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

A.Bijapur

B.Calicut

C.Daman

D.Cochin*

Ans:D

92.’Wagon Tragedy’was in connection with:

A.Pazhassi revolt

B.Santhal rebellion

C.Malabar rebellion*

D.Kurichiya revolt

Ans:C

93.World Worker’s day was observed on:

A.June-1

B.May-1*

C.October-1

D.December-1

Ans:B

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

A.Narmada

B.Godavari*

C.Ganga

D.Cauvery

Ans:B

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

A.Ravuri Bharadwaja

B.Shashi Tharoor

C.Narendra Kholi

D.Sanjaya Baru*

Ans:D

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

A.Indian Ocean*

B.Pacific Ocean

C.Atlantic Ocean

D.Arctic Ocean

Ans:A

97.’Mukundamala’in Sanskrit was written by:

A.Tolan

B.Vasudeva Bhattathiri

C.Kulasekhara Alwar*

D.Sankara Narayana

Ans:C

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

A.Sahodaran Ayyappan*

B.Blessed Kuriakose-Elias Chavara

C.C.Krishnan

D.A.K.Pillai

Ans:A

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

A.Odisha

B.Jammu and Kashmir*

C.Himachal Pradesh

D.Madhya Pradesh

Ans:B

100.Where is the headquarters of the Zoological Survey of India(ZSI)?

A.Delhi

B.Madras

C.Mumbai

D.Kolkata*

Ans:D