JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Overview

Section A: Mechanical Engineering Laboratory:

Course Objective

To impart practical exposure on the performance evaluation methods of various

mechanical components like, I. C. Engine, Hydraulic turbine, hydraulic pump, Air compressor etc. and also understand the various processes that can be performed on a lathe machine.

Course Outcome

The student will be able to predict the performance of several mechanical

components and operate a lathe machine to produce the required job work.

List of Experiments

• 1. Draw the valve timing diagram of a 4-stroke diesel engine and port timing diagram of a 2-stroke petrol engine.
• 2. Perform load test on a 4-stroke I.C .Engine and draw the performance curves.
• 3. Pattern design and making – for one casting drawing.
• 4. Taper turning and thread cutting on a Lathe machine.
• 5. Performance on an Impulse/Reaction Hydraulic Turbine.
• 6. Performance of Centrifugal/Reciprocating Pump.
• 7. Find the volumetric efficiency, isothermal efficiency of an Air compressor. Section B: Electrical Engineering Laboratory

Course Objectives

This course imparts knowledge to the students to:

• Learn the estimation of efficiency of a DC machine as motor & generator.
• Learn the estimation of efficiency of transformer at different load conditions & power factors.
• Study the performance of a 3-Phase induction motor by conducting direct test.
• Pre-determine the regulation of an alternator by Synchronous impedance method.
• Understand the speed control of a DC shunts motor.
• Study the performance of a DC shunts motor by conducting direct test.

Course Outcomes

After successful completion of the course, the students will be able to:

• Estimate the efficiency of a DC machine as motor & generator.
• Estimate the efficiency of transformer at different load conditions & power factors.
• Understand the performance of a 3-Phase induction motor by conducting direct test.
• Pre-determine the regulation of an alternator by Synchronous impedance method.
• Control the speed of a DC shunt motor by Field flux control method & Armature Voltage control method.
• Understand the performance characteristics of a DC shunt motor by conducting direct test.

List of Experiments:

• 1. Swinburne’s test on D.C. Shunt machine. (Predetermination of efficiency of a given D.C. Shunt machine working as motor and generator).
• 2. OC and SC tests on single phase transformer (Predetermination of efficiency and regulation at given power factors)
• 3. Brake test on 3-phase Induction motor (Determination of performance characteristics)
• 4. Regulation of alternator by Synchronous impedance method.
• 5. Speed control of D.C. Shunt motor by
• a) Armature Voltage control b) Field flux control method
• 6. Brake test on D.C Shunt Motor R18 B.TECH PETROLEUM ENGG.