According to the Gay-Lussac law for a perfect gas, the absolute pressure of given mass varies directly as
SSC JE Mechanical Engineering 4th March 2017 Shift-1
For the following questions answer them individually
Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits.
Temperature of a gas is produced due to
The pressure of a gas in terms of its mean kinetic energy per unit volume E is equal to
According to Boyle's law for a perfect gas
Boyle's law i.e. pV= constant is applicable to gases under
According to which law, all perfect gases change in volume by $$\frac{1}{273}th$$ of their original volume at $$0^\circ C$$ for every $$1^\circ C$$ change in temperature when pressure remains constant
In the figure given below, curve A will be applicable when thermal conductivity of the material.
In order that a cycle be reversible, following must be satisfied
Which of the following parameters remains constant during ideal throttling process
Maximum work by an expansion of a gas in a closed system is possible when process takes place at constant
In an isothermal process, the internal energy
Which of the following represents the perpetual motion of the first kind
The door of a running refrigerator inside a room was left open. Which of the following statement is correct?
A perfect gas at $$27^\circ C$$ was heated until its volume was doubled. The temperature of the gas will now be
For same compression ratio and for same heat added
The efficiency of Diesel cycle with decrease in cut off
The ideal efficiency of an Ericsson cycle with perfect regeneration and operating between two given temperature limits is
A steam nozzle converts______.
Which is the wrong assumption for calculation of air standard efficiency?
Calculate the enthalpy of 3 kg of fluid that occupies a volume of 1.5 m3, if the internal energy is 3.5 M Joules/kg and the pressure is 0.3 MN/m$$^2$$
When a process undergoes a complete cycle then the change of entropy will be
Following relationship defines the Gibb's free energy G
During a process on the closed system its internal energy increases by twice the units than the heat added to it. It is possible due to
Fusion curve on p-t diagram for all substances possesses the following slope
When heat is transferred from one particle of hot body to another by actual motion of the heated particles, it is referred to as heat transfer by:
Which of the following is a case of steady state heat transfer?
The time constant of a thermocouple is
Which of the following is expected to have highest thermal conductivity
The rate of energy emission from unit surface area through unit solid angle, along a normal to the surface, is known as
Dynamic viscosity of most of the gases with rise in temperature
The resultant of all normal pressures acts
A body floats in stable equilibrium
Metacentre is the point of intersection of
The two important forces for a floating body are
The normal stress is same in all directions at a point in a fluid
An ideal flow of any fluid must satisfy
The flow in which the velocity vector is identical in magnitude and direction at every point, for any given instant, is known as
Two dimensional flow occurs when
The upper surface of a weir over which water flows is known as
The fluid forces considered in the Navier strokes equation are
Bernoulli equation deals with the law of conservation of
Specific weight of sea water is more than that of pure water because it contains ______.
Darcy-Weisabach equation for loss of head in pipe is: -
Where f = friction factor, L = length, V = velocity m = A/P = area/wetted perimeter
A mouthpiece can't be used under very large head because of
For very high discharge at low pressure such as for flood control and irrigation applications, which of the following types of pump is preferred?
Time required to empty uniform rectangular tank is proportional to its
The hydraulic radius in the case of an open channel with great width is equal to
Runaway speed of a hydraulic turbine is
The cipoletti weir functions as if it were a following notch without end contractions
The velocity distribution in the turbulent boundary layer follows
When a liquid rotates at constant angular velocity about a vertical axis as a right body, the pressure
The magnitude of water hammer depends on
Power transmitted through a pipe is maximum when the loss of head due to friction is
To replace a pipe of diameter D by n parallel pipes of diameter d, the formula used is
The total frictional resistance to fluid flow is independent of
Which of the following represents unsteady non-uniform flow
Discharge through a totally submerged orifice is directly proportional to
In turbulent flow
The shear stress in a fluid flowing in a round pipe
The property of a material which enables it to resist fracture due to high impact loads is known as
Resilience of a material is important, when it is subjected to
Which of the following is not the correct procedure to increase the fatigue limit
The river head for boiler applications shown in the figure given below is:-
The drawing representation shown in the figure given below for welding is used to represent.
A key made from a cylindrical disc having segmental cross-section, is known as
A bench vice has following type of threads
The function of cutting oil when threading a pipe is to
Aircraft body is usually fabricated by
Which is a correct statement about flexibility and endurance of ropes?
In arc welding, eyes need to be protected against:-
The main criterion for selection of electrode diameter in arc welding is:-
Open circuit voltage for arc welding is of the order of:-
Which of the following is not a casting defect?
The chief advantage of die casting is:-
For mounting several patterns at a time, which of the following type of pattern is used?
Casting process is preferred for parts having ______.
Holes in parts which have been hardened by heat treatment can be finished to accurate size only by:-
A grinding wheel gets glazed due to:-
Which of the following is the not a natural abrasive?
Hooke's law holds good upto:-
Deformation per unit length in the direction of force is known as:-
A thin mild steel wire is loaded by adding loads in equal increments till it breaks. The extensions noted with increasing loads will behave as under:-
Tensile strength of a material is obtained by dividing the maximum load during the test by the:-
Percentage reduction of area in performing tensile test on cast iron may be of the order of:-
For steel, the ultimate strength in shear as compared to in tension is nearly:-
In a tensile test on mild steel specimen, the breaking stress as compared to ultimate tensile stress is:-
If a part is constrained to move and heated, it will develop
The materials which exhibit the same elastic properties in all directions are called:-
Poisson's ratio is defined as the ratio of ______.
The interface or undercutting in involute gears can be avoided by:-
In reciprocating engines, primary forces _______.
The forces which meet at one point and have their lines of action in different planes are called _____.
Swaying couple results due to:-
In order to balance the reciprocating masses:-
If a body is transmitting torque T N-m at N rpm, then horsepower (Watts) transmitted will be:-
A barge is pulled by two tugboats as shown in the figure below. The resultant of forces exerted by the tugboats is 1000 kg force. What will be the value of $$\theta$$ so that tension in rope 2 is minimum?
An elevator weighing 1000 kg attains an upward velocity of 4 m/sec in two seconds with uniform acceleration. The tension in the supporting cables will be:-
A 13 m ladder is placed against a smooth vertical wall with its lower end 5 m from the wall. What should be the coefficient of friction between the ladder and floor so that it remains in equilibrium?
A particle while sliding down a smooth plane of $$19.86 \surd2$$ m length acquires a velocity of 19.86 m/sec. The inclination of plane is:-
Select the related word/letters/number from the given alternatives.
Cause : effect :: Crime : ?
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Act : Action :: Clear : ?
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Sitting : Duck :: ?
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MJOL : QNSP :: NKPM : ?
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Male : Lamella :: Dare : ?
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Globes : Bestow :: Dared : ?
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91 : 8 :: 82 : ?
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123 : 134 :: 100 : ?
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715 : 198 :: 431 : ?
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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.
AFtredA, BsRgthB, SvbTbnS, TwseFaT, ?
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Raindrop, Operate, Teakwood, Odometer, ?
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kid, gnaw, cited, sphinx, ?
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V, T, Q, M, ?
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lij, mjk, nkl, olm, ?
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XXOOXXX, XOXOXXX, XOOXXXX, OXOXXXX, ?
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-9, -2, ?, 15, 25
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$$3, \frac{5}{3}, \frac{1}{3}, ?, \frac{-7}{3}$$
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31, ?, 41, 43, 47
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For the following questions answer them individually
If e < f, i > e and f < g, which of the following must be true?
I. f < i
II. g > e
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The weights of five boxes are 30, 40, 40, 70 & 90 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 D, V, E, A, I & T 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 DEMIGODS is coded as GHPLJRGV, then how will RUN be coded as?
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In a certain code language, 315 means 'play is fun', 324 means 'game is nice', 614 means 'fun and nice'. 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.
$$0.025 + 200 - 345 \times 15 = ?$$
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If A % B means A is father of B, A & B means A is brother of B and A $ B means A is son of B, then what does I $ G % H & K mean, if K is male?
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If 84%42 = 6, 71%51 = 10 then find the value of 83%41 = ?
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Which of the following words follows the trend of the given list?
Ulcer, Lunar, Cough, Casual, Avenue, ?
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wing terms follows the trend of the given list?
VNN, VNNV, VNNVV, ?
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A wolf is chasing a deer. The wolf runs 5 km East, then turns South and runs 9 km, then turns West and runs 5 km, then it turns to its right and runs 3 km. Where is it now with reference to its starting position?
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Two A and B girls start from the same point. A walks 9 m North, then turns to her right and walks 5 m. At the same time, B Walks 11 m East, the turns to his left and walks 9 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 : No wood is bamboo.
Statement 2 : No bamboo is strong.
Conclusion I : No wood is strong.
Conclusion II : All strong things are wood.
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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 b argument.
Statement : Should high tax rates be imposed on businesses?
Argument I : No, High taxes discourage investments, thus reducing jobs and development.
Argument II : Yes, Some businesses use clever accounting to save tax, so higher taxes will be a good counter measure.
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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 Men, Indians and Writers ?
In the following figure, square represents directors, triangle represents actors, circle represents singers and rectangle represents producers. Which set of letters represents producers who are also directors and singers who are not actors?
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-Il are numbered from 5 to 9. A Setter from these matrices can be represented first by its row and next by its column, for example 'X' can be represented by 30, 41 etc and 'G' can be represented by SS. 87 etc. Similarly, you have to identify the set for the word 'RUGBY.
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The Victoria Memorial in Kolkata is constructed with which of the following materials?
Who among the following was a classical Indian violin player?
Who among the following was a person of Indian origin and also was a recipient of the Nobel Prize for Physics?
The bile is released into which part of the alimentary canal?
Which of the following is true?
Which of the following is a macronutrient for a plant?
If the external solution balances the osmotic pressure of the cytoplasm, it is said to be ____________.
Consider the following pairs:
Name : Formula
1] Butan-1-ol : $$CH_3OC_2H_5$$
2] Chloroethene : $$CH_2 = CHCl$$
3] 1-Fluoropropane : $$CH_3CH_2CH_2F$$
4] Ethoxyethane : $$CH_3 - CH_2 - CH - CH - OH$$
Which of the above pairs are correctly matched?
Which of the following formulas is correct?
Finely divided ___________ is used as catalyst in Haber's process in manufacture of ammonia.
The general electronic configuration ns2np2 belongs to which group elements of the periodic table?
The _____________ tags along with its associated tags and attributes is used in two ways; to separate different blocks of content and to present content in the form of tables.
Which of the following is included in Paragraph Formatting in a word processor?
Which festival is celebrated on the full moon of the Phalgun month?
On 5th April 2016, which Indian state imposed ban on the sale and consumption of liquor?
Who formulated the classical theory of electromagnetic radiation?
Which of the following is true?
Which of the following is true?
If price of an article increases from Rs 200 to Rs 240, when quantity demanded decreases from 1,000 units to 800 units. Find point elasticity of demand?
Gross fiscal deficit (from the financing side) is equal to
Gross National Product is equal to
Earth’s surface re-emits heat in the form of _________.
Chlorofluorocarbons which degrade ozone layer are used as which of the following?
Which of the following statements regarding Atmospheric Circulation and Weather Systems is false?
What percent of carbon is found dissolved in oceans?
Which of the following is the founder/co-founder of "Snapdeal"?
With reference to the interior of the earth consider the following statements.
1] The earth's core is made up of very heavy material.
2] The mantle extends from Moho's discontinuity to a depth of 2,900 km.
3] The material in the upper mantle portion is called magma.
Which of the statements given above is / are correct?
_____________ is also known as soil moisture drought. Low soil moisture results in crop failures.
Granite is what type of rock?
________ consists of silica.
Which of the following crops is suitable for wetland farming?
With reference to India's freedom struggle consider the following statements:
1] In March 1940, the Muslim League passed a resolution committing itself to the creation of a separate nation called "Pakistan".
2] The "Salt Satyagraha" campaign began in August 1942.
3] Jayaprakash Narayan was a socialist member of the Congress and was active in the underground resistance during Quit India Movement.
Which of the statements given above is / are correct?
The French commercial companies set up their base in India at ______________ in 1673.
Which of the following persons was associated with the American War of Independence?
The traveller al-Biruni who visited India in the tenth and eleventh centuries was from which country?
Name the Chinese pilgrim to India who came in search of Buddhists texts?
Bifocal Lens was invented by which scientist?
Consider the following pairs:
Object : Mass (in Kg)
1] Proton : 10-27
2] Rain Drop : 10-6
3] Automobile : 107
4] Sun : 1030
Which of the above pairs are correctly matched?
Which scientist pioneered the investigation of Ultra short radio waves?
Which of the following electromagnetic waves can be detected using thermopiles?
Which of the following relation between capacitance C, charge Q and potential V is true?
The Power of Judicial Review and independence of the judiciary principle of the Indian Constitution is borrowed from the ______________ constitution.
To ensure a fair trial in courts the Indian Constitution has provided 3 rights. Which of the following is not one of those 3 rights?
All of the following are powers of the Rajya Sabha, except one. Select the wrong option.
All of the following subjects are part of the State List, except
A dispute between two states comes to the Supreme Court under which jurisdiction?
Which of the following is an Indian professional Tennis player?
Who wrote the novel "The Serpent and the Rope"?
Which of the following is true about chordates?
In an earthworm the 14-16 segments are covered by a prominent dark band of glandular tissue called ___________.
