Waste heat recovery

Sankey Diagram

Describe the basic construction of a transformer with a neat sketch.

What is power factor? How it could be improved?

Explain in brief Energy efficiency versus Energy conservation. Write step wise procedure to calculate Boiler efficiency.

What is combustion? Explain various types of combustion. How efficient combustion could improve the efficiency?

Describe the process of material and energy balance with the help of suitable example.

Explain the ESCO contract in brief. Discuss the Drawback and role of ESCO.

Discuss the various Schemes of BEE under the Energy Conservation Act-2001.

Explain the methods of Energy Audit with suitable examples.

Describe the energy conservation opportunities for residential and commercial application.

 In two dimension flow = 3xy. Prove that the flow is irrotational. Also determine the corresponding velocity potential.

Derive an expression for velocity distribution for laminar flow through a circular pipe. Show that the friction coefficient is equal to 16/Re where Re is the Reynolds number.

Neutral equilibrium

Unstable equilibrium and

Stable equilibrium

Find the volume of the water displaced and position of centre of buoyancy for a wooden block of width 3 m and depth 2 m, when it floats horizontally in water. The density of wooden block is 700 kg/ms³ and its length 7 m.

Prove that the vertical component of the resultant force on submerged curved surface is equal to the weight of the liquid supported by the curved surface.

A rectangular plane surface is 1.5 m wide and 4 m deep. It lies vertically in water. Determine the total pressure and position of the centre of pressure on the plane surface when upper edge is horizontal and (a) coincides with free water surface (b) 3 m below the free water surface.

What are the different types of mechanical pressure gauges? With the help of a neat sketch explain the working of a Bourdon's gauge.