How many white cubes are there in the given structure?
SSC JE Mechanical Engineering 2012
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In the following Venn diagram, identify the number which denotes Doctors who know both Swimming and Dancing.
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Which one of the following diagramsbest depicts the relationship among College Graduates, Professional Athletes and Great Scientists?
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Two statements are given followed by two conclusions I and II. You have to consider the statements to be true even if they seem to be at variance from commonly knownfacts. You
are to decide which of the given conclusions, if any, follow from the given statments.
Statements:
Mind is a stream of thoughts.
Mind is working all the time.
Conclusions:
I: If there is no thought, there is no mind.
II: Thoughtless people will not succeed.
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Statements:
Teachers should have empathy.
Students need empathetic approach from their teachers.
Conclusions:
I: Persons without empathy cannot become good teachers.
II: Good teachers understand the problems of their students.
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Which answer figure will complete the pattern in the question figure?
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Select the answer figure in which the question figure is hidden/embedded.
A piece of paper is folded and punched as shown below in the question figures. From the given answer figures, indicate how it will appear when opened?
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Which of the answer figure is exactly the mirror image of the given figure, when the mirror is held on the line AB?
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A word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in two matrices given below. The columns and rows of matrix I and II are numbered from 0 to 4.A letter from these matrices can be represented first by its row and next by its column,e.g., ‘A’ can be represented by 24, 31 etc. and ‘P’ can be represented by 11, 32, etc. Identify the set for the letters AELO.
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Select the related word/letter /number/figure from the given alternatives.
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? : JHKI :: TRUS : OMPN
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AEJO : ZVQL :: DINS : ?
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IRTH : HQSG :: ? : RQPO
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16 : 64 :: 25 : ?
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5 : 15 :: 40 : ?
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Select the one which is different from the other three responses.
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Arrange the given words in the order in which they occur in the dictionary and find the last but one word:
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Arrange the following wordsin the orderin which they occur in the dictionary. Which will appear fourth in the dictionary ?
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Arrange the following words in the orderin which they occurin the Dictionary :
1. Interview
2. Inventory
3. Invention
4. Interval
5. Investment
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Choose the correct alternative from the given responses that will complete the series:
xy, wy, xy, ut, xy, ?
PQR, HIJ, DEF, ?
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NDB, LED, JGG, ?
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18, 54, 162, 486, 1458, ?
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20, 30, 42,56, 72, ?
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Find the wrong number in the given series:
7, 15, 32, 65, 138
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A party consisted of a man, his wife, his three sons and their wives and three children in each son’s family. How many werethere in the party ?
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₹ 6,500 were divided equally among a certain number of persons. Had there been 15 more persons, each would have got ₹ 30 less. Find the original numberof persons.
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From the following alternatives, select the word which cannot be formed using the letters of the given word :
UNIVERSITY
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In a certain code MEN is written as MIN and WOMEN is written as WUMIN,then how will CHILD be written in the same code?
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If Y = 2, PEN = 11 - 22 - 13, then 10 - 6 - 18 - 24 - 16 = ?
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Find out the number which belongsto the given group of number from thefour alternatives.
5, 25, 90, 35, 60
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If $$+$$ stands for division
$$-$$ stands for equai to
$$\times$$ stands for addition
$$\div$$ stands for greater than
$$=$$ standsfor less than
$$>$$ stands for multiplication
$$<$$ stands for subtraction
then of the given alternatives which one is correct?
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Select the missing number from the given responses.
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Going 60 metresto the South of his house, Kiran turns left and goes another 20 metres then turning to the North, he goes 40 metres and then starts walking to his house. In which direction is his house. In which direction is his house from there ?
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Ram started walking towards East. After 1 km, he turned South and walked 5 km. Again he turned East and walked 2 km. Finally, he turns to the North and walked 9 km. How faris he from the starting point ?
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Four positions of a cube are shown below. If symbol Sun is at the top, what symbol will be at the bottom ?
'Liver rot' is caused by
"Proconvertin" is an example of
If the filament current of a coolidgetube is increased, X-rays emitted from it will be ofgreater
The ideaofstationary orbit of electrons in an atom was first introduced by
Which of the following pairs of particles have equal and opposite charge ?
In 'Isobaric process', which parameter remains constant ?
A prototype of a system is
An example of a mathematical function in Structured Query Language (SQL) is
Theintensity of sound is measured in dB-scale and the threshold of hearing is
PAN is pollutantof air. The full name of PAN is
Repeated exposure to small concen-trations of a toxic agent results in accu-mulation of toxic substance over a period of time. This is known as
Which one of these element is NOT considered an essential trace element for the biosphere ?
The term epicenture is associated with
How many countries participated in the first Twenty-20 World Cup in South Africa ?
Which one amongthefollowing is the National Fruit ?
Which language is spoken by maximum number of people in the world?
Name the dome shaped monumentused-to keep Buddhist relics.
‘KIMONO’ is a dressstyle of
Which one of the following famous mon-uments was built to honour the visit of King George V and Queen Mary to India ?
Tulsidas wasthe author of
The study of coins is called
Which amongthe following is not a classical Indian dance ?
The colour of potassium flame through double blue glass is
Precipitation takes place when product of concentration of ions
Dry ice is
Poisoning of drinking water is caused due to presence of
Which institute is known as apex body for development of agriculture ?
The duration for which a patent rightis valid is known as
The concept of supply curve as it is used in economic theory is relevant only for the case of
When the prices of two goods tend to vary inversely, they are said to be
Purchase of cycle by a Household is treated as
Ina Unitary Government, the States derive their powers from
The theory of naturalrights was first enunciated by
Individualism is also known as
Parliamentary Government is called
Fundamental Duties were laid down by
Simon Commission was boycotted because
The Nayanars belonged to the
Name the Sufi Saint with whom Akbar, the Mughal Emperor, is associated:
The Vaisheshika School of Physics propounded the atomic theory during the period of
Who set up aseparate department called the Diwan-i-Khairat?
Birmingham is an Industrial Centre of
Acrescent shaped sand dune is known as
Whichis an ore of dolomite?
Stalactites and stalagmites are found mainly in
Which one of the following is the oldest and deepest fresh waterlake in the world?
Which one of the following plants shows vivipary?
The kind of inflorescence in sunflower is
Moulting in insects is mainlys controlled by
Silver fish is included in the phylum
The strain energy stored in a cantilever beam loaded as shown, will be
The torque producing a unit twist in a shaft of unit length is
Mass per unit of the belt of an open belt drive is 1.5 $$\frac{kg}{m}$$. if the linear velocity of the belt is 10m/s and radius of driving pulley 0.5m, centrifugal tension in the belt is
For a Helical spring, spring index is
Rankine formula (for a column) takes into account which of the following ?
A circular shaft of length L and diameter D is fixed in one end. The other end of the shaft is subjected to a twisting moment T. the angle of rotation of the free end with respect to the fixed end is $$\theta$$. What will be the angle of rotation of the free end if length is doubled and diameter is reduced to $$\frac{D}{2}$$?
Two simply supported beam A and B has the same length L and subjected to equal bending moment M. the stress induced in the beam A and B are $$\sigma_{A} and \sigma_{B}$$
respectively. If the cross section of beam A is b x b/2 and that of beam B is $$\frac{b}{2} \times b$$, then correct relation between $$\sigma_{A} and \sigma_{B} $$is
In a tensile test of a specimen, the ratio of maximum load to the original cross-section area of the test piece is called
Which one of the following assumptions in the theory of pure torsion is false ?
If a beam supported on more than two supports, is called a
If a beam of constant section is subjected throughout its length to a uniform bending moment, it will bend to
Fusible plug for a steam boiler is an alloy consisting of bismuth, lead out
The maximum efficiency that a heat engine operating
between $$327^\circ C and 27^\circC $$ can be
Which of the following gases has the highest value of characteristic gas constant (R)?
The Molecular kinetic energy of a gas is proportional to
Which aspect does not pertain to a free expansion process?
The isentropic expansion of initially superheated steam through the nozzle may approximately be given by the equation
When neither mass nor energy is allowed to cross the boundary of a system, it is then called
Which of the following entities is not a thermodynamic property?
Of the following “path function” quantity is
Relation ds=$$\frac{\delta}{T}$$ good in case of
During throtting which thermodynamic property does not change?
The internal energy of a perfect gas depends on
During an adiabatic process, the pressure P of a fixed mass of an ideal gas changes by ΔP and its volume V changes by ΔV. The value of $$\frac{V}{V}$$ is given by
The ratio of air required for complete combustion of carbon dioxide and that to carbon monoxide is
In case of Boyle’s law, if pressure increases by 1% the percentage decrease in volume is
Critical pressure is the pressure of steam at
A compression ignition engine is a
In diesel engine, the ignition takes place
The petrol engine works on
Process in thermodynamic cycles are
I : Isentropic II : Constant Volume
III: Constant pressure IV : Isothermal
Which process of is/are not involved in an air standard dual combustion cycle?
Morse test is conducted on multi cylinder engine to find the engine’s
A nozzle is said to be choked when
In a water-tube boiler, the flue gas flows through the following accessories :
1. Super heater 2. ID fan
3. Air heater 4. Economizer
Which of the following gives, the correct sequences of the flue gas through these accessories:
Lean air fuel mixture is required for
What material is used for the insulating body of a spark plug?
Which element regulates the pressure strokes in the fuel injection pump of a diesel engine?
For complete specification of super heated vapour, one needs
Safety valve used with locomotive boilers is operated by
Behaviour of which of the following steam quantities is closest to that of a gas?
A carnot engine uses nitrogen as the working fluid. The heat supplied is 53 kJ and adiabatic expansion ratio is 16 : 1 The receiver temperature is 295 K. The heat rejected is kJ is
In a centrifugal pump, the liquids enters the pump
for a fluid at rest
A pelton wheel is
One torr pressure is equivalent to
Which one of the following is the Bulk Modulus K of fluid?
Centrifugal pump is started with its delivery valve is
In flow through a pipe, the transition from Laminar to turbulent does not depends on
Pick up the wrong statement about Centrifugal Pump
A pipe flow is said to be laminar, if
The Kinetic energy associated with a jet through a cross sectional area ‘a’ having density $$\rho$$ and velocity ‘v’ is
Which shear stress distribution is the correct one corresponding to the flow through a pipe of circular cross-section with parabolic velocity profile?
Flow through a supersonic nozzle is an example of
Loss of energy due to sudden enlargement of pipe cross-section in meters of water is given by
For maximum power transmission through a pipe line, the friction head loss equals
What should be the ratio of jet speed to blade speed for maximum efficiency of a pelton wheel?
Pressure of 80 kPa is equivalent to a head in meter of carbon tetrachloride of relative density 1.59 of the value
Two pipe systems are said to be equivalent when in two systems
Flow between an two stream lines
Pseudo-plastic substances are non-Newtonian fluids for which
For helical gears, the helix angle generally ranges from
Which of the following is not a foundry tool?
Filler metal is used in
Hot working of metal is carried out
The vertical passage for bringing molten metal to mould cavity is called
In arc welding, the arc length should be approximately equal to
The forging of the steel specimen is normally done at a temperature of
Which part of the cutting tool is prone to crater wear?
The size of a Shaper is specified by
The process of pouring molten metal in the cavity of a metallic mould by gravity is known as
The Soldering Iron is heated in a gas flame until
Cupola is best suited for melting
Railway rails are generally made of
In case of slotting machine, cutting action takes place in
In a drill operation
Lathe bed is made of
While using High speed steel tools on lathe, the speed of chuck will be lowest while machinin
When turning Mild steel, if the area of cross-section of the cut remain constant, the cutting force will be minimum if depth of cut is
In which type of welding molten metal is poured for joining the metals?
In a single V-butt welds the angle between edges is kept about
Permeability of a foundry sand is
The crank radius of a slider crank mechanism is 10mc. If the crank radius is increased to 12cm. the stroke length will increase by
Assertion (A) :A clutch is the best means to connect a driving shaft with a driven shaft for regular power transmission
Reason (R):
A clutch can be frequently engaged and disengaged at operators will
A spur gear with pitch circle diameter D has number of teeth T. The module m is defined as
A ball and socket joint forms a
BCD is a four-bar mechanism in which AB = 30 cm and CD = 45 cm. At an instant, both AB and CD are perpendicular to fixed link AD. If velocity of B at this condition is V, then velocity of C is
The inner and outer radius of friction surface of a plate clutch are 50 mm and 100 mm respectively. What is the ratio of maximum intensity of pressure on clutch plate if magnitude of axial force is 4 KN? Assume uniform wear theory
The thickness of a boiler plate is 16mm, the diameter of rivet used in the boiler joint is
Lewis equation in spur gear design is applied to
Degree of freedom of a slider crank mechanism is
Match the List-I with list-II and select the correct match using the codes below
The reaction between number of lower pair(P) and number of links (L) in a four link kinematic chain is given by
The stiffness of the spring in a hartnell governor is equal to $$S_{1}$$ = Spring force exerted on the slleve at maximum radius of rotation $$S_{2}$$= Spring force exerted on the slleve at minimum radius of rotation
The differential gear in the automobiles is used to
Which of the following gear system have minimum axial thrust?
A sliding bearing which can support steady loads without any relative motion between the journal and the bearing is called
Form the Lewis equation Fb = f.p.y.b, the strength factor of the gear is given by the product
A simply supported beam is subjected to a point load P at the middle of the beam. The correct normal stress distribution across its cross-section is given by which figure?
The shear strength, tensile strength and, compressive strength of rivet joint are 100N, 120N and 150N respectively. If strength of the unriveted plate is 200N, the efficiency of rivet joint is
a simply supported beam carries a uniformly distributed load of w kgf per unit length over the whole span (l) the shear force at the center is
