# Category - Solved Sample Problems

## Calculation of overall heat transfer coefficient

Problem Statement
Determine the overall heat transfer coefficient 'U' for heat transfer occurring from superheated steam in a steel pipe to atmosphere, with...

## Sample Problem – Gas liquid separator sizing with demsiter pad

Problem Statement
Perform separator sizing calculations for a vertical gas-liquid separator used for separation of fuel gas bubbles entrained in water...

## Sample Problem – Vertical Knock Out Drum Sizing Calculations

Sample Problem Statement
Design a vertical gas-liquid separator or a Knock Out Drum for separation of liquid droplets entrained in fuel gas flow. The liquid in...

## Air Compressibility Factor Calculation – Sample Problem

Problem Statement
Calculate the compressibility factor (Z factor) for air at the following temperature and pressure condition -
P = 15 barg
T =...

## Sample Problem – Insulation thickness calculation for a pipe

Sample Problem Statement
Calculate insulation thickness (minimum value) required for a pipe carrying steam at 1800C. The pipe size is 8" and the maximum...

## Sample Problem – Heat transfer by conduction across a furnace wall

Sample Problem Statement
Determine the rate of heat transfer by conduction per unit area, by means of conduction for a furnace wall made of fire clay. Furnace...

## Problem solving – Heat exchanger shellside pressure drop calculation

Problem Statement -
Calculate the shell side pressure drop for the following heat exchanger specification,
Process fluid = water
Inlet pressure = 4 barg
Inlet...

## Problem solving – Heat exchanger tube side pressure drop calculation

Problem Statement -
Calculate the tube side pressure drop for the following heat exchanger specification,
Process fluid = water
Inlet pressure = 4 barg
Inlet...

## Sample Problem – Pump power calculations

Problem Statement
Estimate the shaft power and motor power requirement to pump 200,000 kg/hr of water available at 250C and  atmospheric pressure from a...

## Sample Problem – NPSHA calculation for pumps

Sample Problem Statement
Estimate the NPSHA (Net Positive Suction Head Available) for a pumping system which is designed to pump 200,000 kg/hr of water. The...

## Sample Problem – Logarithmic Mean Temperature Difference (LMTD) calculation

Sample Problem Statement
Calculate log mean temperature difference for the following shell and tube heat exchanger for two possible arrangements (i)...

## Sample problem – pump NPSH calculation

Sample Problem Statement
Calculate the Net Positive Suction Head for a pump handling 100,000 kg/hr flow of water coming from an atmospheric storage tank. The...