Wednesday

April 23, 2014

April 23, 2014

Total # Posts: 36

**trig**

prove that :cosA-sinA+1/cosA+sinA-1=cosecA+cotA

**Management**

The price P per unit at which a company can sell all that it produces is given by the, function P(x) = 300 — 4x. The cost function is c(x) = 500 + 28x where x is the number, of units produced. Find x so that the profit is maximum., Question:, 1) Find the value of x. 2) In...

**Management**

The bulbs manufactured by a company gave a mean life of 3000 hours with standard deviation of 400 hours. If a bulb is selected at random, what is the probability it will have a mean life less than 2000 hours? Question: 1) Calculate the probability. 2) In what situation does on...

**Control Syatem**

Give an example of a physical system whose transfer function model has a pole in the right.

**Dynamics**

The coefficients of friction depends up on ________ a)Nature of the surface b)Shape of the surface c)Area of the contact surface d)Weight of the body

**Dynamics**

Constant of area velocity for a central force motion of a particle does not imply that_________ a)Equal areas were are swept by the radius vector in equal times. b)The tangential velocity varies inversely as the length of the radius vectors c)The angular momentus is conserved ...

**Dynamics**

Which one of the following statement is correct Multiple choice question a)Energy and work are scalars b)Force and work are vectors c)Energy, momentum and velocity are vectors d)Force, momentus and velocity are scalars

**Dynamics**

For a perfectly plastic central impact ______ Multiple choice question a)The entire kinematic energy of two bodies must be lost b)The two bodies must be move stuck together only if the impact is direct.

**Dynamics**

Multiple choice question The coefficient if restitution is defined on basis of ________ a)Velocity compound along the line of impact only b)Velocity compound normal to the line of impact c)Velocity vectors before and after collision d)Energies of bodies before and after the im...

**Dynamics**

The direction of coriolis aceeleration is a common example of _______

**Dynamics**

The conditions of non slipping is _________

**Dynamics**

The power developed by force is ________ and that of couple is _______

**Society & Environment Engineering**

Making best use of the sources available is known as____________ (Don't have any optional answers.pls help someone to get the answer)

**Society & Environment Engineering**

The concept of appropriate technology appeared first in mind____________ Don't have any option. please help someone to get the answer.

**Society & Environment Engineering**

Gravin communication system is followed in _____________ a) Formal Organisation b)Informal Orgamosation c)Both a & b d)None of this

**Society & Environment Engineering**

The art of getting work done from the people for the predefined goal is called a)Management b)Administration c)Both a & b d)None of these

**Society & Environment Engineering**

___________is the scientific study of human society and social interaction

**Society @ Environment Engineering**

Capitalism believe in___________from the government

**Dynamics**

A stone is thrown vertically upward from the top of a 30m high building with a velocity of 15m/s. Taking the acceleration of stone as 9.81 m/s2. And taking that as constant, determine a) the velocity v and elevations sy of stone above the ground at any time t b) the maximum al...

**HEAT TRANSFER**

Please help. its very urgentW

**HEAT TRANSFER**

Please help. its very urgentW

**Heat Transfer**

Please help. its very urgentW

**Dynamics**

Please help me to elaborate the answer as i tried but couldn't

**Dynamics**

State the principle of impulse and momentum. And clearly difference between impulse and impact

**Dynamics**

True or false (Each question carries 1 marks) (i) A rigid body is an idealization of the behavior of a body. (ii) A Geo-stationary satellite follows a circular orbit at a unique and has a time period of 24h. (iii) Constancy of areal velocity for a central force motion of a par...

**Dynamics**

Two moving balls collide together. Determine the magnitude of their common final velocity. The first ball of mass o.5 kg and a velocity va = 3i+5j m/s. The second ball B has a mass of 1 kg and a velocity vb = 1.2i-j+1.8k m/s

**Dynamics**

KE=PE+W(fr) m•v²/2 =m•g•h+F(fr) •s, F(fr) =m(v²/2•s – g/ siná)

**Dynamics**

A flywheel has an angular speed of 1200 rev/min when its motor is turned off. The wheel attains constant decelerations of 1.5 rad/s2 due to friction in its bearing. Determine the time required for the wheel to come to rest and the number of revolutions the wheel makes before i...

**Dynamics**

Please help me to elaborate the answer as i tried but couldn't

**Dynamics**

A ball of mass 8 kg is thrown vertically upward from the ground , with an initially velocity of 25 m/s. Determine the maximum height to which it will travel if atmospheric resistance is neglected.

**Dynamics**

A stone is thrown vertically upward from the top of a 30m high building with a velocity of 15m/s. Taking the acceleration of stone as 9.81 m/s2. And taking that as constant, determine a) the velocity v and elevations sy of stone above the ground at any time t b) the maximum al...

**Dynamics**

Please help me to elaborate the answer as i tried but couldn't

**geometry**

the hypotenuse of a triangle is 17cm long. if one of the remaining two sides is of leanth 8 cm find the length of the third side

**MANAGERIAL ECONOMICS**

EXPLAIN THE ROLE AND RESPONSIBILITY OF MANAGERIAL ECONOMICS.

**managerial economics**

EXPLAIN 5 FUNCTIONS OF MANAGERIAL ECONOMICS WITH SUITABLE EXAMPLE.

**MANAGERIAL ECONOMICS**

SIGNIFICANCE OF MANAGERIAL ECONOMICS?

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