Provision of fins on a given heat transfer surface will be more if there are _____.
SSC JE Mechanical Engineering 3rd March 2017 Shift-2
For the following questions answer them individually
Which of the following would lead to a reduction in thermal resistance?
Inspite of large heat transfer coefficients in boiling liquids, fins are used advantageously when the entire surface is exposed to _____.
The parameter(s) responsible for loss of heat from a hot pipe surface in a room without fans would include _____.
The figure given below shows the variation of temperature across the thickness of materials with different thermal conductivities under steady states. Curve C will be the applicable when thermal conductivity of the material ____
On a summer day, a scooter rider feels more comfortable while on the move than while at a stop light because _____.
In radiative heat transfer, a gray surface is one _____.
The property of a working substance, which increases or decreases according to the heat supplied or removed in a reversible manner, is called _____.
Triple point _____.
Non quasistatic process is _____.
Isentropic flow is _____.
In all reversible process, entropy of the system _____.
In isothermal expansion, work done by gas depends upon _____.
The difference between two specific heats, Cp and Cv for a gas represents _____.
The universal gas constant of a gas is the product of molecular weight of the gas and _____.
The temperature of a gas is a measure of _____.
A perpetual motion machine of the first kind i.e. a machine which produces power without consuming any energy is _____.
A system consisting of more than one phase is called _____.
Thermal equilibrium between two or more bodies exists, when they are brought together, there is no change in _____.
Control volume refers to a _______.
In regenerator type heat exchanger, heat transfer takes place by
Film coefficient is the ratio of _____.
Highest thermal diffusivity is of _____.
Highest thermal conductivity is of _____.
The ratio of work done per cycle to the swept volume in case of compressor is called
The indicator diagram shown in the figure below obtained on a compressor shows that _______.
Metals are good heat conductors because _____.
Heat is transferred from an insulated pipe to the surrounding still air by _____.
Heat is transferred by conduction, convection and radiation in _____.
In optical pyrometers absorption filter is used _____.
The flow of water in a pipe of diameter 3000 mm can be measured by _____.
Buoyant force is _____.
In equilibrium condition, fluids are not able to sustain _____.
A large Reynold number is indication of _____.
The fluid forces considered in the Navier Stokes equation are _____.
Tranquil flow must always occur _____.
A vertical sluice gate 3m wide and 2.5m deep contains water on both of its sides. On the upstream side. the water is 5m deep and on the downstream side it is 2m deep from the bottom of the sluice. What is the resultant pressure on the gate?
The coefficient of discharge (Cd) of an orifice varies with _____.
Head loss in turbulent flow in a pipe _____.
A type of flow in which the fluid particles while moving in the direction of flow rotate about their mass centre, is called _____.
For a flow to be rotational, velocity normal to the plane of area should be equal to the _____.
A fluid in which resistance to deformation is independent of the shear stress, is called _____.
The rate of change of linear momentum is equals to _____.
The force buoyancy is dependent on _____.
The vapour pressure over the concave surface is _____.
Bernoulli's equation cannot be applied when the flow is _____.
When a body floating in a liquid is displaced slightly, it oscillates about _____.
Heaviest fluid is _____.
A hydrometer is used to determine _____.
A model of torpedo is tested in a towing tank at a velocity of 25 m/sec. The prototype is expected to attain a velocity of 5 m/sec. What model scale has been used?
For the water is flowing through a 20 cm diameter pipe with friction factor, f = 0.04. The flow will be _____.
Crude oil of kinematic viscosity 2.25 stokes flows through a 20 cm diameter pipe, The rate of flow being 1.5 litres/sec. The flow will be _____.
The maximum continuous power available from a hydroelectric plant under the most adverse hydraulic conditions is known as _____.
A plot between power generated in MW and time is known as _____.
The ratio of 'Average generation in KWH per year' to 'the product of Installed capacity in KW and hrs per year' is known as _____.
A. Plant factor
B. Capacity factor
C. Use factor
Portion of the installed reserve kept in operable condition but not placed in service to supply the peak load is known as _____.
Capacity of hydroelectric plant in service in excess of the peak load is known as _____.
An impulse turbine is used for _____.
In a reaction turbine, the draft tube is used _____.
In an inward flow reaction of turbine _____.
Castor and camber are terms associated with which of the following parts of an automobile?
In reciprocating engines primary forces _____.
A friction circle is a circle drawn when the journal rotates in a bearing. Its radius depends on the coefficient of friction and _____.
The gear train usually employed in clocks is a _____.
Critical damping is a function of _____.
Rotating shafts tend to of vibrate violently at whirling speeds because _____.
Critical or whirling speed is the speed at which the shaft tends to vibrate violently in _____.
When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than _____.
Stress concentration in static loading is more serious in _____.
Which of the following key transmits power through frictional resistance only?
The key will fail in which of the following manner?
In hydrostatic bearing the starting friction is _____.
Feather keys are generally _____.
The uniform pressure theory as compared to the uniform wear theory gives _____.
Tapered roller bearings can take _____.
Two shafts A and B are made of the same material. The diameter of shaft B is twice that of shaft A. The ratio of power which can be transmitted by shaft A to that of shaft B is _____.
For the two shafts connected in parallel, find which statement is true?
The buckling load will be maximum for a column if _____.
The number of strain readings (using strain gauges) needed on a plane surface to determine the principal strains and their directions are _____.
If the value of Poisson's ratio is zero, then it means that _____.
Which of the following is applied to brittle materials?
Design of shafts made of brittle materials is based on _____.
The moment of inertia of a hollow circular section whose external diameter is 8 cm and internal diameter is 6 cm about centroidal axis is _____ cm4.
The maximum frictional force which comes into play when a body just begins to slide over the surface of another body is known as _____.
A square sheet of metal has a square of one quarter of the original area cut from one corner as shown in the figure. Which of the following statements is true about the position of the centre of gravity of the remaining portion of the sheet?
A steel bar 20 mm in diameter simply supported at its ends over a total span of 40 cm, carries a load at its center. If the maximum stress included in the bar is limited to 480/π N/mm2 then the bending strain energy stored in the bar is _____.
The Charpy test is conducted to measure _____.
The stress produced by a suddenly applied load as compared to that produced by the same load when applied gradually is _____ times.
The bending moment for a certain portion of the beam is constant. For that section, shear force would be _____.
An increase in load at the free end of a cantilever is likely to cause failure _____.
In the electro-discharge machining process, the work-piece and the electrode are submerged in _____.
Swaging is an operation of _____.
In arc welding operations the current value is decided by _____.
Two sheets of same material but different thickness can be butt welded by _____.
Pick up the incorrect statement about MIG welding.
First product of the blast furnace in the process of converting iron ore into useful metal by reduction is called _____.
Raw material for all iron and steel product is _____.
Grey cast iron has _____.
Chilled cast iron is _____.
If carbon present in cast iron is partly free and partly in combined state, it is called _____.
Select the related word/letters/number from the given alternatives.
Branch : Plant :: Limb : ?
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Select the related word/letters/number from the given alternatives.
Cactus : Thorns :: Sheep : ?
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Select the related word/letters/number from the given alternatives.
Dawn : Dusk :: ?
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Select the related word/letters/number from the given alternatives.
YB : DW :: CX : ?
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Select the related word/letters/number from the given alternatives.
Thin : Ninth :: Hole : ?
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Select the related word/letters/number from the given alternatives.
Care : Area :: Amine : ?
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Select the related word/letters/number from the given alternatives.
1000 : 3 :: 100000 : ?
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Select the related word/letters/number from the given alternatives.
111 : 222 :: 444 : ?
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Select the related word/letters/number from the given alternatives.
453 : 99 :: 642 : ?
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Select the odd word/letters/number/word pair/number pair from the given alternatives.
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Select the odd word/letters/number/word pair/number pair from the given alternatives.
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Select the odd word/letters/number/word pair/number pair from the given alternatives.
Solution
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Select the odd word/letters/number/word pair/number pair from the given alternatives.
Solution
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Select the odd word/letters/number/word pair/number pair from the given alternatives.
Solution
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Select the odd word/letters/number/word pair/number pair from the given alternatives.
Solution
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Select the odd word/letters/number/word pair/number pair from the givenalternatives.
Solution
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Select the odd word/letters/number/word pair/number pair from the given alternatives.
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Select the odd word/letters/number/word pair/number pair from the given alternatives.
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In the given series one word/one term/one number is missing. Select the correct alternative from the given ones that will complete the series.
Buzzwords, Preacher, Bonanza, Credit, ?
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In the given series one word/one term/one number is missing. Select the correct alternative from the given ones that will complete the series.
Crazy, Zygote, Teapot, Other, ?
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In the given series one word/one term/one number is missing. Select the correct alternative from the given ones that will complete the series.
pal, jowl, spine, griped, ?
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In the given series one word/one term/one number is missing. Select the correct alternative from the given ones that will complete the series.
G, I, K, M, ?
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In the given series one word/one term/one number is missing. Select the correct alternative from the given ones that will complete the series.
beh, cfi, dgj, ehk, ?
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In the given series one word/one term/one number is missing. Select the correct alternative from the given ones that will complete the series.
XOXOXXX, XXOOXXX, XXOOXXX, XXOXOXX, ?
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In the given series one word/one term/one number is missing. Select thecorrect alternative from the given ones that will complete the series.
13, 11, 8, ?, -1
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In the given series one word/one term/one number is missing. Select the correct alternative from the given ones that will complete the series.
-11/4, -2, -5/4, ?, 1/4
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In the given series one word/one term/one number is missing. Select the correct alternative from the given ones that will complete the series.
19, ?, 29, 31, 37
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If v < y, x < y, w < z and z > y, which of the following is true?
I. z > v
II. w > v
III. x < z
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The weights of five boxes are 10, 30, 50, 70 & 80 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes?
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If the letters I, N, A, T, E & C are numbered 1, 2, 3, 4, 5 & 6 respectively. Select that combination of numbers so that letters arranged accordingly, form a meaningful word.
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If CONFUSED is coded as XLMUFHVW, then similarly how will BAT be coded?
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In a certain code language, 462 means 'lion is wild', 543 means 'cat is hungry', 165 means 'wild and hungry'. Find the code for 'and'.
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In a certain code language, '+' represents $$'\times'$$, '-' represents '+', $$'\times'$$ represents $$'\div'$$ and $$'\div'$$ represents '-'. Find out the answer to the following question.
$$ 0.25 + 240: 300 \times 5 = $$ ?
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If A @ B means A is mother of B, A # B means A is sister of B and A ! B means A is granddaughter of B, then what does P # Q ! R @ S mean, if R has only one child?
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If $$ 67 \times 25 = 6, 24 \times 12 = 3,$$ then find the value of $$ 90 \times 44 $$ = ?
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Which of the following words follow the trend of the given list?
Vertex, Affix, Unix, Waxy, Extra, ?
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Which of the following terms follow the trend of the given list?
IVII, IIVII, IIIVII, __________.
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A fishing boat sails 5 km South in still waters, then turns East and sails 8 km, then turns North and sails 5 km, then turns to its right and sails 10 km. Where is the boat now with reference to its starting position?
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Two people A and B start walking from the same point. A walks 15 m East, then turns south and walks 5 m. At the same time, B walks 5 m South, then he turns to his left and walks 25 m. Where is B now with respect to the position of A?
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In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.
Statement 1: All babies are toys.
Statement 2: All children are toys.
Conclusion I: Some Children are babies.
Conclusion II: No Child is a baby.
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In the question a statement is given, followed by two arguments, I and II. You have to consider the statement to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given arguments, if any, is a strong argument.
Statement : Should prison term of those criminals who have shown good behaviour be reduced?
Argument I : No, if they are freed they will again commit crimes.
Argument II : Yes, this will incentivise others to show good behaviour.
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Which of the following cube in the answer figure cannot be made based on the unfolded cube in the question figure?
Which of the following answer figure patterns can be combined to make the question figure?
Which of the following diagrams represent the relationship between hockey players, football players and those who have won medals in both hockey and football?
In the following figure, square represents boys, triangle represents girls, circle represents cricket players and rectangle represents hockey players. Which set of letters represents girls who do not play hockey and boys who do not play cricket?
Which answer figure will complete the pattern in the question figure?
From the given answer figures, select the one 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.
If a mirror is placed on the line MN, then which of the answer figures is the right image of the given figure?
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 shown in the given two matrices. The columns and rows of Matrix-I are numbered from 0 to 4 and that of Matrix-II are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, for example 'T' can be represented by 10, 32 etc and 'A' can be represented by 65, 56 etc. Similarly, you have to identify the set for the word 'WOVEN'.
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The ratio of molars to pre-molars in adult humans is _____.
Which type of Red Blood Cells secrete histamine, serotonin, heparin, etc., and are involved in inflammatory reactions?
In some plants such as Rhizophora growing in swampy areas, many roots come out of the ground and grow vertically upwards. Such roots are called ______.
What is the process by which terrestrial plants take up huge amount of water daily but most of it is lost to the air through evaporation from the leaves?
Consider the following pairs
Name : Formula
1] Ethanamine : CH2 = CHCH2Br
2] 3-Bromopropene : CH3 = CH2-NH2
3] 2-Bromo-2-methylpropane : (CHc:3CBr
4] 2-Methoxypropanal : CH3CH(OCHc:CH
Which of the above pairs are correctly matched?
What is the IUPAC name of Vinyl chloride?
Formula for styrene is _______.
The general electronic configuration ns2np3 fits which of the following elements?
Which tag is used to insert a horizontal line on the web page?
Which of the following is a browser?
Which of the following is the founder/co-founder of "Paytm"?
______ made announcement of Demonetization on 8th November, 2016.
Who is regarded as the father of microbiology? He is also known for the discovery of bacteria.
______ is a locus of all points representing bundles among which the consumer is indifferent.
Which of the following is true with respect to LRAC (Long run average cost) and LRMC (Long run marginal cost) ?
If demand curve for Kanjeevaram sarees is D = 73000: 17P and supply curve is S = 28000 + 8P, find the equilibrium Price (in Rupees)?
Any current account deficit is of necessity financed by a _____.
Personal Income - Personal tax payments - Non-tax payments =
The electrostatic precipitator has electrode wires that are maintained at several thousand volts, it produces which of the following to release electrons?
Which type of water plants scientifically named as Eichhornia crassipes, have become the world’s most problematic aquatic weed?
By percentage, which of the following gases is greater than the rest in the earth's atmosphere?
Which of the following is not a green house gas?
In parts of South India, Lord Vishnu is also known as Lord _____ .
With reference to the interior of the earth consider the following statements.
1] The earth’s radius is 6,370 km.
2] The deepest drill at Kola, in Arctic Ocean, has so far reached a depth of 12 km.
3] Rocks along a fault tend to move in the same direction.
Which of the statements given above is / are correct?
According to The Continental Drift Theory, all the continents formed a single continental mass named ________.
Which of the planets has no satellites?
Which element makes up 46.6% of the mass of the Earth's Crust?
The Kharif cropping season is from ______.
With reference to the 1857 revolt consider the following statements.
1] In major towns like Lucknow, Kanpur and Bareilly, moneylenders and the rich also became the objects of rebel wrath.
2] The 7th Awadh Irregular Cavalry had refused to accept the new cartridges in early May.
3] Captain Hearsey of the Awadh Military Police was hanged by his Indian subordinates during the mutiny.
Which of the statements given above is / are correct?
In the middle of the first century BC, under _______, a high-born military commander, the ‘Roman Empire’ was extended to present-day Britain and Germany.
Which of the following Kings does not belong to the Magadha empire?
Al-Biruni from Uzbekistan, travelled to India in which century?
All of the following are the principal deities of the Vedic pantheon, except _______.
Who is universally credited with inventing the barometer in 1643?
Consider the following pairs.
Size of Object or distance : Length ( in m)
1] Size of hydrogen atom : 10-10
2] Height of mount Everest above sea level :10 8
3] Distance of moon from Earth : 1012
4] Distance to Andromeda galaxy : 1022
Which of the above pairs are correctly matched?
What is the correct relationship between frequency (f) and time period (T) of a wave?
Which of the following electromagnetic waves can be detected using Geiger tubes?
An object is placed at 10 cm in front of a concave mirror of radius of curvature 12 cm. How far is the image formed from the mirror?
The Principles of Liberty, Equality and Fraternity of the Indian Constitution are borrowed from the _________ constitution.
All of the following are the characteristics of a Proportional Representation system, except _________ .
Which of the following is false with reference to Parliamentary type of executive?
Judges can hold office till _____.
Which European country was not one of the signatories of the Treaties of Rome establishing the European Economic Community in 1957?
Which of the following is an Indian professional player of English billiards and former professional snooker player?
Who wrote the novel "Devdas"?
_____ is the largest phylum of Animalia which includes insects.
On the basis of structural modification of the cells, simple epithelium isdivided into all of the following types, except _____.
"Lake Palace" built by Maharana Jagat Singh II is in which city?
Which of the following was an eminent Indian painter, sometimes known as India's Frida Kahlo?
Which of the following is a recipient of the "Gandhi Peace Prize"?
