## Determination of friction factor of a given pipe with circular cross section

Objective: Objective of the experiment is to determine (i) Darcy’s friction factor (f) of the given circular pipe (ii) Plot Darcy’s friction factor with Re (x-axis).  Theory: Make a discussion on your observation. Take a picture of the test setup during experiment & paste that with the report sheet. Safety: Reading is to be taken … Read more

## Reynolds Experiment

Objective: Objective of the experiment is to determine the type of flow & critical Reynolds number range at the transition from laminar to turbulent, in pipe flow.  Theory: Apparatus used: Reynolds experiment setup. Stop watch & collecting tank. Colored dye(Potassium Permagnet) Procedure: Observation :  Make a discussion on your observation. Take a picture of the … Read more

## Verification of Bernoulli’s Equation

Objective: Objective of the experiment is to verify Bernoulli’s equation along a stream line. Theory: Bernoulli’s equation is a very powerful tool in fluid mechanics. For steady, inviscid & incompressible flow  Apparatus used: Bernoulli’s equation test setup. Stop watch & collecting tank. Procedure: Open the measuring tank valve fully, to keep the tank empty. Close … Read more

## Determination of Coefficient of Discharge of a Rectangular & Triangular sharp crested weir

Objective: Objective of the experiment is to determine the (i) Coefficient of discharge of a triangular & a rectangular sharp crested weir. (ii) Calibration curve of height of upstream free surface above the crest of the weir & actual flow rate & (iii) Variation of coefficient of discharge with height of upstream free surface above … Read more

## Determination of Coefficient of Discharge of a Rectangular & Triangular sharp crested weir

Objective: Objective of the experiment is to determine the (i) Coefficient of discharge of a Venturi meter (ii) Calibration curve of meter between manometric head difference & actual flow rate & (iii) Variation of Cd with Reynolds number.  Introduction: Flow meters are used in the industry to measure the volumetric flow rate of fluids. Differential … Read more

## Speed control of DC Shunt Motor.

Objective: To study the speed control of a DC shunt motor by the following methods: Armature voltage control: Variations of speed with armature voltage control at constant field current. Field Control: Variation of speed with variation of field current at constant voltage. Theory:  Fundamental Relationship:                                               DC motor voltage equation is given by- V=IaRa+Eb         …………………(1) … Read more

## Calibration of DC Ammeter and DC Voltmeter

Objectives: To compare the readings of a given ammeter and voltmeter with the corresponding calculated values of current and voltage from the observations of a dc potentiometer. To calculate the percentage error for different observed values of current and voltage. Theory: Instrument calibration is one of the primary processes used to maintain instrument accuracy. Calibration … Read more

## Determination of the magnetization characteristics (O.C.C) of a DC shunt Generator

Objectives: To perform no load test on a dc shunt generator. To obtain the magnetization characteristics at rated speed under separate excitation. To obtain the Critical Field Resistance. Theory: A dc shunt generator is a machine which converts mechanical energy to electrical energy. This conversion of energy is based on the principle of the production … Read more

## Open circuit and short circuit test of a single phase transformer

Objective: To find the equivalent circuit parameters and different losses of a single phase transformer. OPEN CIRCUIT TEST OR NO LOAD TEST: Theory: This test is used to determine the core (or iron or excitation) loss, Pi, and no-load current I0, and the shunt branch parameters R0 and X0 of the equivalent circuit. In this … Read more

## Starting and Reversing speed of a DC shunt motor

Objectives: To become familiar with the starting and reversing the speed of a D.C. shunt motor. To become familiar with the starting of a D.C. shunt motor using 3-point starter. Theory: Circuit Diagram: Apparatus Used:  Procedure: The circuit is connected as shown in the circuit diagram. The DC supply is switched on with minimum resistance … Read more

error: Content is protected !!