One time estimate is

The lead time consumption is 600 units. The annual consumption is 8000 units. The company has a policy of EOQ ordering and maintenance of 200 units as safety stock. The Reorder Point (ROP) is

In the simplex method, the existence of more than one optimum solution is indicated, when

The machining proces in which the metal of work piece is dissolved is

When the work piece is connected to the negative terminal and the electrode holder to the positive terminal, the welding set up is said to have

Gear finishing operation is

Draft on pattern for casting is

Ferrites are

An open cycle constant pressure gas turbine uses a fuel of calorific value 40000 kJ/kg with air fuel ratio of 80 : 1 and develops a net output of 80 kJ/kg of air. The thermal efficiency of the cycle is

Consider a vapour absorption system as shown:

Ideal COP of this system is

Draft tube is fitted with the following purpose

There is shown a T-S diagram for a two-phase mixture. Some points are located and some data are given as-

Now, determine the condition or position of this mixture in given diagram on the basis of following questions.
If P = 2.0 bar and h = 2675.4 kJ/kg.

An electric motor of 1 kW rating is used for driving heat pump which supplies heat to a building for maintaining at 26⁰C. Heat loss from building to the surrounding due to temperature difference is 6 MJ/h when the surroundings temperature is 3 ⁰C, then select the false statement.

At the inlet to a certain nozzle, the enthalpy of the fluid passing is 3000 kJ/kg and the velocity is 60 m/s. At the discharge end, the enthalpy is 2762 kJ/kg. The nozzle is horizontal and there is negligible heat loss from it
If the inlet area is 0.1 m² and the specific volume at inlet is 0.187 m³/kg, find the mass flow rate

In a counter flow heat exchanger, the product of specific heat and mass flow rate is same for the hot and cold fluids. If NTU is equal to 0.5, then the effectiveness of the heat exchanger is

Sun's surface at 5800 K emits radiation at a wavelength of 0.5 μ, A furnace at 300°C will emit through a small opening, radiation at a wavelength of nearly

The average Nusselt number in laminar natural convection from a vertical wall at 180^oC with still air at 20 ° C is found to be 48. If the wall temperature becomes 30^oC, all other
parameters remaining same, the average Nusselt number will be

One end of a rectangular fin (L = 20 cm) is at constant base temperature of T₀= 127°C, it is kept in surrounding having temperature  T_{\(\infty \)} = 25°C. If K_fin = 200 W/m-K and h = 80 W/m²-K and temperature at any point of fin varies as T = T₀ (a - bx²).
If cross-section is perfectly insulated, then heat transfer rate from this is

One end of a rectangular fin (L = 20 cm) is at constant base temperature of T₀= 127°C, it is kept in surrounding having temperature  T_{\(\infty \)} = 25°C. If K_fin = 200 W/m-K and h = 80 W/m²-K and temperature at any point of fin varies as T = T₀ (a - bx²).
If cross-section is perfectly insulated, then heat transfer rate from this is

A composite hollow sphere with steady internal heating is made of 2 layers of materials of equal thicknesses with thermal conductivities in the ratio of 1 : 2 for inner to outer layers. Ratio of inside to outside diameters is 0.8. What is the ratio of temperature drop across the inner and outer layers?

A fluid flowing through pipe has flow rate 3.5 L/s. Fluid has viscosity 0.1 N-s/m² and relative density 0.9. If diameter of pipe is 50 mm and length 300 m then,shear stress at pipe wall is

A 80 mm long journal bearing supports 2800 N load on a 50 mm diameter shaft. The diametral clearance is 0.1 mm and shaft speed is 2000 rpm. If viscosity of oil is 0.021 kg/m-s then, the value of friction coefficient is

In above question value of factor of safety according to Goodman theory is

If the mass of the rod is m, then the natural angular frequency of the system will be

In a simple gear train, if the number of idle gears is odd, then the motion of driven gear will

A spherical vessel of steel (d_i = 600 mm, t = 10 mm) is fill with water under pressure of 6 MPa. 446 x 10³ mm³ volume of water is let out to reduce the pressure. If k = 2 GPa for water, E_Steel = 200 GPa, then Poisson's ratio is

A cantilever 2.5 m long carries a UDL of 20 kN/m run. The breadth of the section remains constant and is equal to 100 mm. Determine the depth of the section at the middle of the length of the cantilever if stress remains the same throughout and equal to 120 MN/m².

A beam of length 6 m carries a point load 120 kN at its centre. The beam is fixed at both ends. The fixing moment at the ends is

In the given figure,

Maximum shear stress is

An ejector mechanism consists of a helical compression spring having a spring constant ofk= 981 x 10³ N/m.lt is pre-compressed by 100 mm from its free state. If it is used to eject a mass of 100 kg held on it, the mass will move up through a distance of

The sum of the series
1² + 2² + 3² + ...+r² is

Let (S,\(\le \)) be a partial order with two minimal elements  and a and b and a, c maximum element. Let P : S \(\Rightarrow\){True, False} be a predicate defined on S. Suppose that P(a) = True, P(b) = False and P(x) \(\Rightarrow\) P(y), \(​​\forall \)x, y\(\epsilon \)S satisfying x \(\le \)y, where \(\Rightarrow\) stands for logical implication .Which of the following statement cannot be true?

Let G be a non-planar graph with the minimum possible number of edges. Then, G has

Equation \({ e }^{ x }-1=0\)  is required to be solved using Newton's method with an initial guess \({ X }_{ o }=-1\) . Then after one step of Newton;s method, estimate x₁ of the solution will be given by

A has one share in a lottery in which there is 1 prize and 2 blanks.B has three shares in a lottery in which there are 3 prizes and 6 blanks compare the probability of A's success of that of B's success is

The Taylor series expansion of \(\frac { sin\quad x }{ x-\pi } at\quad x=\pi \quad \)is given by

Biotransformation of an organic compound having concentration x can be modeled using an ordinary differential equation \(\frac { dx }{ dt } +k{ x }^{ 2 }=0\), where k is the reaction rate constant. If x = a at t = 0, the solution of the equation is

The value of \(l=\int _{ 0 }^{ a }{ \int _{ \frac { { x }^{ 2 } }{ a } }^{ 2a-z }{ xy\quad dx\quad dy } } \)is

Eigen values of a matrix S = \(\begin{bmatrix} 3 & 2 \\ 2 & 3 \end{bmatrix}\)  are 5 and 1.Wht are the eigen values of the m,atrix S² = SS?

A man has to pay Rs.2000 in yearly instalments, each instalment being less than the earlier one by Rs.10. The amount of first instalment is Rs.200. In what time the entire amount will be paid?

The value \(\frac { 1 }{ 1+{ log }_{ x }(YZ) } +\frac { 1 }{ 1+{ log }_{ y }(XY) } +\frac { 1 }{ 1+{ log }_{ z }(XY) } is\)

A train X leaves P at 6 am and reaches Q at 10 am. Another train Y leaves Q at 8 am reaches P at 11.30 am. At what time do the two trains cross each other?

A man, a woman and boy can together complete a piece of work in 5 days. If a man alone can do it in 12 days and a boy alone in 15 days, how long will a woman take to complete the work?

Simple interest on Rs.1680 for 4 yr at 7\(\frac{1}{2}\) % per annum is equal to the simple interest  on Rs.1200 at 7% per annum for a certain period of time. The period of time is

The average of three numbers is 52. The first is half of second is twice the third. The difference between the second and first number is

A shopkeeper marks his goods at 25% above the cost price. He sells \frac { 3 }{ 5 }th of his goods at marked price and remaining at 20% discount. Find his gain or loss per cent in the transaction.

The price of oil is reduced by 5%. How many litres of oil can now be bought for the money which was sufficient to buy 38 L of oil earlier?

Find the unit digit in the expansion of \({ 42 }^{ 23 }\)

A question  a main statement is followed by four statement: A,B,C and  D. Choose the ordered pair of statement
A.  A and B are selected.
B.  X and Y are not selected in that order.
C. Y and X are selected in that order.
D. A and B are not selected.

Read the data given below and answer the questions that follow.
A building has six floors, referred to as 1-6 from lowest to highest. Six Companies L, M, O, P and Q occupy the six floors, not necessarily in that order, with necessarily in that order, with one company on one floor.
(i) N is the same number of floors from M as M is from L.
(ii) P and Q are not adjacent floors.
(iii) Q is on higher floor than O.
(iv) L is on floor 5.
Which of the following is(are) true?
1. M must be on either floor 3 or floor 4.
2. O must be on either floor 1 or floor 2.
3. Q must be on either floor 4 or floor 5.

Read the following information carefully and answer the questions.
Five dramas A,B,C,D and E have to be staged in 6 h where 1 h needs to be given per drama.
(1) A break of 1 has to be taken in the third or fourth hour.
(2) Drama show cannot be started with A and has to end in C.
(3) D has to follow B immediately with no break in between.
(4) A cannot be done immediately after D.
(5) A has to precede E immediately with no break in between.
Which drama is staged immediately after E?

A, B, C, D and E play a game of cards. A says to B, "IF you give me 3 cards, you will have as many as I have at this moment while if D takes 5 cards from you, he will have as many as E has", A and C together have twice as many cards as E has B and D together also have the same number of cards as A and C have taken together. If all together they have 150 cards, how many cards has C got?

Select the pair of Words, Which exhibits the same relationship between each other as the given pair of words.
Factitious : genuine ::

Choose the most appropriate option to fill in the blank.
The law prohibits a person from felling a sandalwood tree even if it grows on one's own land, without prior permission from the government. As poor people cannot deal with the Governent, this legal provision leads to a rip-roaring business for ....... who care neither for the ........ nor for the trees.

Guess the meaning of the underlined words in the context and choose the antonym for the same.
Innate: All good qualities are not innate in man, but he has to cultivate most of them with effort.

At a cashier counter, 8 customers arrive on an average every 5 min. While cashier can serve 10 customers in 5 min. Select correct option
Expected time, a customer spend in the queue

The fixed per cost of land is Rs. 50000. The variable cost is Rs.10 per unit production. If selling price is Rs.20 per unit and production is 6000 units then, margin of safety is

Dual of dual is

Welding process, in which electrode is not consumed is

A device which holds and locates a workpiece during an inspection or for a manufacturing operation, is called

In piercing operation, clearance is given in

In order to facilitate withdrawal of pattern

Pearlite consists of

Air standard efficiency of an IC engine depends on

Heat is absorbed from cold chamber to produce refrigerating effect from

In a Francis reaction turbine, discharge from the runner is radial at outlet . Blade speed at inlet is 10 m/s and whirl velocity at inlet is 12 m/s. If power developed is 100 kW then discharge is

Two vessels A and B, each of volume 3 m³ may be connected together by a tube. Vessel A contains air at 7 bar and 95°C while B contains air at 3.5 bar, 205°C. The change of entropy when A is connected to B. Assume the mixing to be complete and adiabatic.

The latent heat of fusion of water at O°C is 335 kJ/kg. How much does the entropy of 1 kg of ice change as it melts into water, if heat is supplied reversibly to a mixture of ice and water at 0^OC?

At the inlet to a certain nozzle, the enthalpy of the fluid passing is 3000 kJ/kg and the velocity is 60 m/s. At the discharge end, the enthalpy is 2762 kJ/kg. The nozzle is horizontal and there is negligible heat loss from it
The velocity at exists from the nozzle

For a given counter flow heat exchanger, given m₁ = m₂ = 1 kg/s.

T_h1 = 420^oC, T_C1 = 20^oC, C₁ = 1 kJ/kg-K, C₂ = 4 kJ/kg-K
If effectiveness of heat exchanger is 75%, then heat transfer rate is (in kJ)

The shape factor of a hemispherical body placed on a flat surface with respect to itself is

The temperature distribution within the thermal boundary layer over a heated isothermal flat plate is given by
\(\cfrac { T-{ T }_{ w } }{ { T }_{ \infty }-{ T }_{ w } } =\cfrac { 3 }{ 2 } \left( \cfrac { y }{ { \delta }_{ t } } \right) -\cfrac { 1 }{ 2 } { \left( \cfrac { y }{ { \delta }_{ t } } \right) }^{ 3 }\)
where, T_w and  \({ T }_{ \infty }\) are the temperature of plate and free stream respectively and y is the normal distance measured from the plate. The local Nusselt number based on the thermal boundary layer thickness \({ \delta }_{ t }\) is given by

The cylindrical rod is being used as a fin. Given, T_o = 500 °C, T_{\(\infty \)} = 30°C, h = 40 W/m²-K, K = 300 WIm-K and d_o = 0.5 cm.

Temperature of rod at point P, if distance from wall is 20 cm, is

A wire is kept in a hollow tube having radius 8 cm and thermal conductivity 0.2 W/m-K. (L = 1m). Diameter of wire is 1 cm and electric current flows through it I₀ = 0.5 A, V, = 10 V, V2 = 4 V. Heat transfer across the cylinder (radial) is

How is the difference of pressure head h measured by a mercury-oil differential manometer expressed?

In given figure, a shaft can transmit 16 N-m and its middlepoint  has a pulley of weight 6 N. If tensile stress for shaft material  is 280 MPa, what is diameter of the shaft according to maximum shear stress theory?

In above question value of factor of safety according to Goodman theory is

Consider a cam follower in which cam is rotating with uniform angular velocity \(\omega \) rad/s and follower moves in SHM. If displacement of follower is given as
\(y=\frac { s }{ 2 } \left( 1-cos\frac { \pi }{ \theta _{ 0 } } \theta \right) \)
where, \(\theta\)  is angle turned by cam in time T, then
Maximum acceleration of follower is

The connecting rod of an engine has length 300 mm between its centres. If mass of rod is 70 kg and mass moment of inertia is 7000 kq-rnrn". Centre of gravity is at 100 mm from big end.
For dynamical equivalent system, if one mass is placed at small end then other mass will be placed at

In case of a column

A hollow shaft is subjected to a bending moment 30 kN-m and a torque of 40 kN-m. If t_max = 80 MN/m² and d₀ = 2d_i, then

Bending moment at point B is

For a two dimensional stress system, the coordinates of the centre of Mohr's circle are

The centre of awheel rolling on a plane surface moves with a speed v_o. A particle on the rim of the wheel at the same level as the centre will be moving at speed

The generating function for the sequence 0, 1, 2, 4, 8, ...... is

Consider the set H of all 3\(\times\)3 matrices of the type
\(\left[ \begin{matrix} a & f & e \\ 0 & b & d \\ 0 & 0 & c \end{matrix} \right] \)
where, a,b,c,d,e, and f are real number and abc\(\neq \)0.Under the matrix multiplication operation the set S is  

Consider the set H of all 3\(\times\)3 matrices of the type
\(\left[ \begin{matrix} a & f & e \\ 0 & b & d \\ 0 & 0 & c \end{matrix} \right] \)
where, a,b,c,d,e, and f are real number and abc\(\neq \)0.Under the matrix multiplication operation the set S is  

Which one of the following is true for any simple connected undirected graph with more than 2 vertices?

Match the following and choose the correct combination.

A class of first year B.tech students is composed of four batches A, B, C and D, each consisting of 30 students. It is found that the sessional marks of students in Engineering drawing in batch C have a mean of 6.6 and standard deviation of 2.3. The mean and standard deviation of the marks for the entire class are 5.5 and 4.2 respectively. It is decided by the course instructer to normalize the mark o9f the students of all batches to have the same mean and standard deviation as that of the entire class. Due to this, the mark of a student in batch C are changed from 8.5 to

Consider likely applicability of Cauchy's integral theorem to evaluate the following integral counter clockwise around the unit circle C.
\(1=\oint { _{ c } } sec\quad z\quad dz,z\) being a complex variable. The value of I will be

Which of the following is a solution to the differential equation \(\frac { dx(t) }{ dt } +3x(t)=0?\)

\(\underset { x->\infty }{ lim } \left( \sqrt { { x }^{ 2 }+1 } -\sqrt { x+1 } \right) \)equals

The eigen values of a skew - symmetric matrix are 

A display of canned soup in a supermarket is such that the top layer contains one can and each lower layer has one more can than the layer above. If there are 12 layers, the total number of cans will be

If\(log=\frac { X }{ Y } =log\frac { Y }{ X } =log(X+Y),\quad then\)

A boat covers  25km upstream and 24 km downstream in 16 h while it covers 20 km upstream and 30 km downstream in \(15\frac { 1 }{ 2 } h\) . The speed of the current is 

A and B workng together can finish a job in T days. If A works alone and completes the job he will take (T+5) days. If B works alone and completes the same job, he will take (T+45) days. Find T.

A certain sum  becomes \( \frac{10}{9}\) times itself in one year. Find the rate of simple interest .

Seats of Physics, Chemistry and Mathematics in a school are in the ratio of 3 : 4 : 6. There is a proposal to increase these seats by 10% , 20% and 50% respectively. What will be the ratio of increased seats?

If cash discount is 10%, a book bought for Rs.9 is valued at

If p is a% more than Q and Q is b% less than p, then

Find the numbers of prime factors contained in the product of \({ 23 }^{ 11 }\times { 7 }^{ 4 }\times { 3 }^{ 5 }\)

A question consists of five statements followed by options  consisting of three statement put together  in a specific order. Choose the option which indicates a valid argument, that is where the third statement is a conclusion drawn from the preceding two statements.Either the orangutan is not angry, or he frowns upon the world.
A. The orangutan frowns upon the world.
B. The orangutan is not angry.
C. The orangutan does not frown upon the world.
D The orangutan  is angry.

Read the data given below and answer the questions that follow.
A building has six floors, referred to as 1-6 from lowest to highest. Six Companies L, M, O, P and Q occupy the six floors, not necessarily in that order, with necessarily in that order, with one company on one floor.
(i) N is the same number of floors from M as M is from L.
(ii) P and Q are not adjacent floors.
(iii) Q is on higher floor than O.
(iv) L is on floor 5.
If O and Q are not on adjacent floors, which of the following is true?

Five men and one woman, named Pratibha including a Geologist, were recently invited as experts to an Internation conference held at Dubai on the state of Global Warming. Read the following statements carefully to answer the question.
(1) Kamal debated Lala and the Meteorologist at the beginning of the conference.
(2) Pratibha is not the Physicist.
(3) Manav is not an Urban planner.
(4) Jay is neither the Metrologist.
(5) At the end of the conference, the six experts had a general discussion around a table. The debaters were the Physicist, Kamal, Jay, the zoologist, the male urban planner and Prakash.
What is the profession of the only female member in the group?

A number of friends decided to go on a picnic and planned to spend Rs.96 on eatables. Four of them, however, did not turn up. As a result, the remaining ones had to contrbute Rs.4 each extra. The number of those who attended the picnic was

Select the pair of words, which exhibits the same relationship between each other as the given Capitalized pair of words.
BLURRED : CONFUSED :

Choose the option that completes the sentence most meaningfully and appropriately.
The new induction in the team was just a .......... Therefore, the organization decided not to give him responsibility for some time.

Guess the meaning of the underlined words in the context and choose the antonym for the same.
Fickle: He remained fickle about choosing a career and kept dropping one for the other.