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INSPECTOR OF FACTORIES AND BOILERS GR II - FACTORIES AND BOILERS.pdf (Size: 1.47 MB / Downloads: 2)
053/2016
Maximum : 100 marks
Time : 1 hour and 15 minutes
1.A steel bar 10 mm x 10 mm cross section is subjected to an axial
tensile load of 20 kN. If the length of bar is 1 m and E = 200
GPa, then elongation of the bar is ?
(A)1 mm (B)0.5 mm
(C )0.75 mm (D)1.5 mm
2.The modulus of rigidity and poisson’s ratio of a material are
80GPa and 0.3 respectively, Its youngs modulus will be ?
(A)160 GPa (B)208 GPa
(C )120 GPa (D)104 GPa
3.The equivalent torque on a shaft, when it is subjected to
bending moment M and torque T is?
(A)M + T (B)(m2 +T2)1/2
(C ) 0.5 (M2 + T2)3/2 (D) 0.5[M-(M2 + T3]6/2]
4.If the value of poisson’s ratio is zero, then it means that:
(A)the lateral strain is high?
(B)the material isperfectly plastic
(C )there is no linear strain in the material
(D)none of these
5.The outside diameter of a hollow shaft is twice its inside
diameter. The ratio of its torque carrying capacity to that of
solid shaft of same material and same outside diameter is ?
(A)3/4 (B)1/2
(C )15/16 (D)1/16
6.Two shafts are made of the same material: The diameter of first
is twice that of second. The ratio of power which can be
transmitted by first shaft and second is ?
(A)1/2 (B)1/4
(C )1/8 (D)1/16
7.A solid shaft is subjected to a bending moment and twisting
moment of 3 kNm and 4 kNm respectively. The equivalent bending
moment is ?
(A)4 kNm (B) 3 kNm
(C )3.5 kNm (D)4.5 kNm
8.The buckling load is maximum for a column if?
(A)one end of the column is fixed and the other end is free
(B) both ends of the column are hinged
(C )both ends of the column are fixed
(D)one end of the column is hinged and other end is free
9.The buckling load for a column hinged at both ends is 15 kN. If
the ends are fixed, the buckling load changes to ?
(A)60 kN (B)30 kN
(C )45 kN (D)3.75 kN
10.The Euler’s load for a column is 1 MN and crushing load is 1.5
MN. The Rankine load is ?
(A)1 MN .(B)0.6 MN
(C )1.5 MN(D)2.5 MN
11.The shape of bending moment diagram for a uniform cantilever
beam carrying uniformly distributed load over its length is
(A)a hyperbola (B) a straight line
(C )an ellipse (D)a parabola
12.Steady flow occurs when :
(A)velocity does not change
(B)pressure does not change
(C )conditions change gradually with time
(D)conditions do not change with time at any point
13.The depth of centre of pressure in rectangular lamina of 3m
deep fully immersed in a liquid having one side in line with free
surface is ?
(A)lm (B)1.5m
(C ) 2m (D) 2.5m
14.The pressure in metres of oil (specific gravity 0.85)
equivalent to 85 metres of water is :
(A)100 m (B)85 m
(C )8.5 m (D)none of the above
15.Pressure in Pascal at a depth of 1 m below the free surface of
water will be ?
(A) 1 pa (B) 9810 Pa
(C ) 98.1 Pa (D) 981 Pa
16.Rain drops are spherical because of?
(A)viscosity (C ) surface tension
17. In a multiple disc clutch, if and n,2 are number of discs on
driving and driven shafts respectively, then number of pairs of
contact surface will be :
(A)n1+ nt 1 (B)n1+ n2 +1
(C ) n1 + n2 (D) (n1+ n2)/2
18. A Flywheel of moment of inertia 9.0 kgm2 fluctuates by 30 rpm
for a fluctuation in energy of 1936 joules. the mean speed of the
flywheel is:
(A)900 rpm (B) 600 rpm
(C ) 936 rpm (D) 1200 rpm
19.The stud bolt is:
(A) thread on both ends
(B)thread on one end without head
(C ) thread on one end with head
(D) none of the above
20.The product of moment of inertia and angular velocity is known
as?
(A)angular torque (B)kinetic energy
(C )angular momentum (D)none of theabove
21.In the case of flat pivot bearing the rubbing velocity is :
(A)maximum at the centre of the contact area
(B)zero at the centre and maximum at the outer radius
(C )uniform throughout the contact area
(D)zero at the outer radius
(B) air resistance
(D) atmospheric pressure
•
22.The frictional torque transmitted in the case of flat pivot
bearing for uniform pressure i
(A)µWR
(B)1/3µ WR
(C )2/3/µ
(D)1/2/µWR
23.Which of the following is an example of friction clutch?
(A) disc (B) cone
(C ) plate (D) all of the above
24.The module is defined as the ratio of?
(A)number of teeth to the pitch circle diameter
(B)pitch circle diameter to number of teeth
(C )circumference of the pitch circle to number of teeth
(D)none of the above
25.The product of module and diametral pitch is equal to ?
(A)x (B)x/2
(C )1.0. (D)2/r
26.The locus of a point on the circumference of a circle, which
rolls without slipping on a fixed straight line is known as ?
(A)cycloid (B)involute
(C )epicycloid (D)hypocycloid
27.When the axes of the first and last wheels of a compound gear
train are co axial, then the train is known as ?
(A)non reverted gear train (C ) reverted gear train
(B) epicyclic gear train (D) none of the above
28.The follower of a cam has?
(A)uniform acceleration and retardation
(B) cycloidal motion
(C ) simple harmonic motion
(D) any one of the above
29.Which one the following is a spring loaded governor?
(A)Proell governorn*
(C ) Watt governor
(B) Porter governor
(D) Hartnell governor
30.If the rotating mass of a rim type flywheel is distributed on
another rim type flywheel whose mean radius is half mean radius of
the former, the energy stored in the latter at the same speed will
be :
(A)4 times the first
(B) same as the first
(C )one-fourth of the first
(D) half of the first.
31.What is the tearing strength of a plate of a riveted joint
whose pitch is 50 mm and rivet diameter is 20 mm? The plate
thickness .is 10 mm and permissible tensile stress is 120 N/mm2?
(A)36 kN (B)24 kN
(C )12 kN (D)none of the above
32.For a single v but weld joint the effective throat thickness is
10 mm and length of weld is 100 mm. If the safe stress is 120
N/mm2, the permissible load is equal to ?
(A)100kN
(B)120 kN
(C )60 kN
(D)none of the above
33.The tendency of knocking in Cl Engines is reduced by?
(A)high self- ignition temperature of fuel
(B)injection of fuel just, before TDO
(C )decrease in injection pressure
(D)decrease in cooling water temperature
34.Pelton wheel is used in those places where?
(A)high head and low discharge are available
(B)low head and high discharge are available
(C )high head and high discharge are available
(D)none of the above
33. Francis turbine is a ?
(A)radial flow turbine
(B) axial flow turbine
(C ) mixed flow turbine
(D) inward flow radial turbine
36.Diesel cycle consists of?
(A)two adiabatic and two constant volume processes
(B)two adiabatic and two constant pressure processes
(C )two adiabatic, one constant volume and one constant pressure
processes
(D)two isothermal, one constant pressure and one constant volume
processes
37.One ton refrigeration is equal to ?
(A) 210 kJ/min
(B)110 kJ/min
(C ) 50kJ/min
(D) none of the above
38.In sensible cooling process the relative humidity?
(A) decreases
(B) increases
(C ) remains constant
(D) none of the
39.In psychrometric chart, dew point temperature lines are?
(A)horizontal
(B)vertical
(C ) curved
(D)straight lines slopping downwards to the right
40.The basic law of heat conduction is ?
(A) Fourier’s law
(C )Stefan' law
(B)Newton’s law .
(D)First lawT of thermodynamics
41.If a bodyreflects allradiations incident, on it, then it is
known as ?
(A)black body (B)grey body
(C ) white body. (D) opaque body
42.A steel ball of mass 1 kg and specific heat 0.4 KJ/kg is at a
temperature of 60° C. It is dropped into 1 kg of water at 20° C.
The final steady state temperature of water is ?
(A)23.50C (B)350 C
(C )32.5° (D)40°C
43.The ratio of actual mass water vapour in a unit mass of dry air
to the mass of water vapour in the same mass of dry air when it is
saturated at the same temperature and pressure is called?
(A) humidity ratio (B) relative humidity
(C ) absolute humidity (D) degree of saturation
44.In psychrometric chart, specific humidity lines are ?
(A)Vertical (B)Horizontal
(C )Inclined (D)Curved lines
45.The octane number of petrol generally available is?
(A)20 to 40 (B)40 to 60
(C )80 to 100 (D)100 to 120
46.The specific fuel consumption is defined as ?
(A)fuel consumption per brake power
(B)fuel consumption per hour
(C )fuel consumption per hour per brake power
(D)fuel consumption per indicated power
47.For a four cylinder in line internal combustion engine, the
moat popular firing order is ?
(A)1-4-3-2 (B)1-2-3-4
(C )1-2-4-3 (D)1 -3-4-2
48.The brake power of an IC Engine having speed 1200 rpm with
torque 15 Nm is ?
(A)300 n watts (B)450 /r watts
(C )150 x watts (D)600 n watts
49.Property of materials due to which they can be drawn into wires
is called?
(A) elasticity (B) plasticity
(C ) ductility (D) stiffness
50.Property of cast iron is ?
(A) good wear resistance
(B)good casting characteristic
(C ) good maclii natality
(D)all of these
51.Iron carbon equilibrium diagram ?
(A)indicates the phase changes occurring during heating and
cooling
(B)correlates the microstructure and properties of steel and cast
iron
(C )is made by plotting carbon percentage and temperature
(D)all of these
52.A space lattice found in a - iron is called ?
(A)body centered cubic space lattice
(B)face centered cubic space lattice.
(C )close packed hexagonal space lattice
(D)none of these
53.In a unit cell of face centered cubic space lattice the total
number of atoms ?
(A)9
(C )6
(B)14
(D)24
54.Draft on pattern for casting is ?
(A)shrinkage allowance
(B)identification number
(C )for machining allowance
(D)taper to facilitate its removal from mould
55.Cores are used to ?
(A) make desired recess in castings
(C ) support loose pieces
56.The purpose of chaplets is to ?
(A) induce directional solidification
(B) strengthen moulding sand
(C ) provide bending
(D) remove pattern easily
(B) compensate shrinkage (D) support the core .
57.Seam welding is a ?
(A)arc welding process
(B) Multi spot welding process
(C )continuous spot welding process
(D process used for joining round bars
58. The consumable electrode is used in?
(A) carbon arc welding
(B) MIG welding
(C )TIG welding
(D) thermit welding
59. The algebraic difference between the maximum limit and basic
size is called ?
(A) upper devintion (B) lower deviation
(C ) actual deviation (D) mean deviation
60.Phosphor bronze has?
(A)high resistance to corrosion
(B)good wearing qualities and high elasticity
(C )valuable cold working property
(D)all the above
61.The drawing down is a process of?
(A)increasing the cross section of a bar
(B)reducing the cross section of a bar
(C )joining the two surfaces of metal under pressure after heating
(D)bending of a bar
62.In orthogonal cutting system the ?
(A)cutting tool prepares a surface parallel to the work face
(B)chip flows over the tool face and direction of the chip flow
velocity is normal to the cutting edge
(C )maximum chip thickness occurs at the middle
(D)all of these
63. Continuous chips are formed during machinig of?
(A)cast iron (B) aluminium
(C )mild steel . (D)none of these
64.The surface finish is improved by the increase in?
(A)cutting speed (B) nose radius
(C ) true rake angle (D) all of these
65. In break even analysis, total cost consists of?
(A) fixed cost + sales revenue
(B) variable cost + sales revenue
(C ) fixed cost + variable cost.
(D)variable cost + sales revenue fixed cost+ variable cost +
profit
66. PERT stands for ?
(A)Programme Estimation and Reporting Techniques
(B) Process Estimation and Review Technique
(C )Programme Evaluation and Review Technique
(D)Planning Estimation and Resulting Techniqu
67. The simplex method is the basic method for ?
(A)queing theory
(B) linear progremminglinear programming
(C ) net work annlysisnet work analysis
(D) none of the abovenone of the above
68. EOQ stands for?
(A)Economic Order Quantity
(B) Elimination of Quality ControlElimination of Quality
Inspection
(C )Elements of Quality Control
(D) End of Quality End of Quality Inspection Change
69.The system of working known as functional organisation was
introduced by?
(A)Newton (B) F.W. Taylor
(C )Glilberth (D) None of the above
70.Line organisation is also known as ?
(A)functional organisation
(B) military organisationmilitary organisation
(C ) staff and functional organisationstaff and functional
organisation
(D) none of the above
71.For civil engineering construction, the followingtype of
organisation is preferred ?
(A)line organisation
(B)functional organisation
(C )line and staff organisation
(D) none of the above
72.Slack represents the difference between the?
(A)normal expected time and earliest completion time
(B)latest allowable time and normal expected time
(C ) latest allowable time and earliest expected time
(D) earliest completion time and normal expected time
73.In the network diagram ?
(A)an activity and an event are represented by a circle
(B)an activity and an event are represented by an arrow
(C )an activity is represented by a circle and event by an arrow
(D)an activity is represented by an arrow and event by a circle
74.ABC analysis ?
(A)is meant for relative inventory control
(B)is a basic technique of materials management
(C )does not depend upon the unit cost of the item but on its
annual consumption
(D)all of the above
75.Product layout is suited for ?
(A) mass production
(B)job production
(C ) batch production
(D)none of the above
76.Gantt chart is used for ?
(A) inventory control (B)production schedule
(C ) material handling (D) all the above
77.The main objective of work measurement is to ?
(A)plan and schedule of production
(B)estimate the selling prices and delivery dates
(C )formulate a proper incentive scheme
(D)all of the above
78.The time taken for the job from its arrival to the system until
its departure is?
(A) completion time (B) flow time
(C )due date (D) processing time
79.In ABC analysis, the C items are those which represents?
(A)small percentage of the total annual consumption value
(B)high percentage of the total annual consumption value
(C )small percentage of closing inventory value
(D)high percentage of closing inventory value
80.If EOQ is within the range of the lowest discounted rate
offered, then?
(A)accept the discount offer and order for the minimum in the
range
(B)consider the total costs of the ranges of discount before
taking the decision
(C )reject the discount offer
(D)accept the discount offer and order at EOQ level
81.The Ninth schedule was added to Constitution of India in?
(A) 1951 (B) 1959
(C ) 1975 (D) 1976
82. Who led the committee appointed by congress party which
proposed the 42nd Amendment of Indian Constitution?
(A) K.C. Pant (B) Y.B. Chavan
(C ) Sardar Swaran Singh (D) P.B. Gsjendra Gadkar
83.First Indian state to launch Mid day meal programmesince
independence?
(A) Kerala (B)Tamilnadu
(C ) Punjab (D)Gujarat .
84.Kerala Gramin Bank is sponsored by?
(A) State Bank of Travancore
(B) State Bank of IndiaState Bank of India
(C ) Punjab National Bank
(D) Canara BankCanara Bank
85.City challenge competition is a criterion for the programme
namely?
(A) Smart City (B)Amrut city
(C ) JNNURM (D) PMSRY
86.First nation to make corporate social responsibility mandatory?
(A) USA(B) UAEUAE
(C ) Venezuela(D) IndiaIndia
87. Who founded the daily "Al Ameen"? Who founded the daily “A1
Ameen”?
(A) Vakkom Moulavi (B) Mohammed abdur Rahiman
(C ) Vaikom Muhammad Basheer (D)E Moidu Moulavi
88.Founder of “Saiva Prakasha Sabha" ?
(A) Thaikat Ayyavu (B)Ananda Theerthan
(C ) Chattanbi Swami (D)Vaikunda Swami
89.Social reformer who advocated “Aananda Matham” :
(A) Vagbhatanandan (B)Karunakara Guru
(C ) Brahmananda Siva Yogi (D)Nataraja Guru
90.Author of “Mariamma" Natakam ?
(A)Paremmakkal Thomma Kathanar
(B)St. Kuriakose Elias Chavara
(C )Puthankavu mathan Tharakan
(D)Polachirackal Kocheepan Tharakan
91.Chastity Trial of Nambuthiri women that prevailed up to the
beginning of 20th century?
(A) Anyonynm (B)Hiranya Garbham
(C ) Bhrasht (D)Smarth Vicharam
92. Guruvayur temple thrown open to the depressed sections of
Hindus in :
(A)1932 (B) 1936
(C )1946 . (D) 1947
93.The historical fiction of Uroob :
(A)Mindappennu (B)Sundarikalum
(C )Ummachhu (D)Aniyara
94.“Puthiya lanushyan Puthiya Lokam” is a collection of essays by?
(A)M. Govindan (B)Kuttippuzha Krishna Pillai
(C )Sukumar Azheekode (D)M.N. Vijayan
95.Head quarters of Basel Mission in South India :
(A)Madras (B) MangaloreMangalore
(C )Kozhikode (D) MysoreMysore
96.Who directed the film PK?
(A)Vidhu Vinod Chopra (B) Sanjay Gadhvi
(C )Rajkumar Hirani (D)Bejoy Nambiar
97.The VYAPAM Scam struck in news from the state of?
(A)Maharashtra (B) Madhya PradeshMadhya Pradesh
(C )Haryana (D) RajasthanRajasthan
98.Sundar Pichai from Tamilnadu was designated recently as the CKO
of?
(A)Samsung (B) Microsoft
(C )Motorola (D) Google
?
(A)5 September (B) 15 October15 October
(C )17 November (D) 10 December10 December
100.Who among the following won four Grand slams in a calendar
year?
(A)Rafael Nadal (B) Novak Djokovc
(C )Roger Federer (D) Pete Sampras