اختبارات كهربائية ب

Contents:

1-Series DC motors
2-Shunt DC motors
1-Compound DC motors
2-DC Generators

INSTRUCTIONS TO THE STUDENTS
GENERAL INSTRUCTIONS
 Maintain separate observation copy for each laboratory.
 Observations or readings should be taken only in the observation copy.
 Get the readings counter signed by the faculty after the completion of the
experiment.
 Maintain Index column in the observation copy and get the signature of the
faculty before leaving the lab.
BEFORE ENTERING THE LAB
 The previous experiment should have been written in the practical file, without
which the students will not be allowed to enter the lab.
 The students should have written the experiment in the observation copy that
they are supposed to perform in the lab.
 The experiment written in the observation copy should have aim, apparatus
required, circuit diagram/algorithm, blank observation table (if any), formula
(if any), programme (if any), model graph (if any) and space for result.
WHEN WORKING IN THE LAB
 Necessary equipments/apparatus should be taken only from the lab assistant by making an issuing slip, which would contain name of the experiment, names of batch members and apparatus or components required.
 Never switch on the power supply before getting the permission from the
faculty.
BEFORE LEAVING THE LAB
 The equipments/components should be returned back to the lab assistant in
good condition after the completion of the experiment.
 The students should get the signature from the faculty in the observation
copy.
They should also check whether their file is checked and counter signed in the index