but centrifugal brake is fitted to restrict the speed of descent to 36 m/min.
which is a safety feature incorporated to prevents the operator from lowering the life boat too quickly.
Search found 8 matches
- Thu Sep 12, 2013 6:30 am
- Forum: Training Room
- Topic: Life Boat
- Replies: 12
- Views: 16904
- Wed Sep 11, 2013 9:25 am
- Forum: Training Room
- Topic: Life Boat
- Replies: 12
- Views: 16904
Life Boat
Please explain how the life boat is protected from falling back into the water
if the power fails when hoisting the lifeboat.
Thanks.
if the power fails when hoisting the lifeboat.
Thanks.
- Thu Sep 05, 2013 10:54 pm
- Forum: Training Room
- Topic: Diode & Rectifier
- Replies: 1
- Views: 3246
Diode & Rectifier
4 marks Question.
With Reference To A.C generator please Give an explanation for DIODE and RECTIFIER.
Thanks.
With Reference To A.C generator please Give an explanation for DIODE and RECTIFIER.
Thanks.
- Thu Jun 27, 2013 4:51 am
- Forum: Training Room
- Topic: Induction Motor
- Replies: 0
- Views: 2897
Induction Motor
With reference to the rotor of an induction motor please explain how rotor leakage flux takes place
and its effect on motor operation ?
Special thanks to Big Pete and D Winsor for answering my previous questions.
Thanks
and its effect on motor operation ?
Special thanks to Big Pete and D Winsor for answering my previous questions.
Thanks
- Wed Apr 24, 2013 6:39 am
- Forum: Training Room
- Topic: Induction Motor
- Replies: 2
- Views: 4541
Induction Motor
with reference to the constructional details of a squirrel cage rotor as fitted in an induction motor
please explain why some rotors have a DOUBLE CAGE.
Thanks
please explain why some rotors have a DOUBLE CAGE.
Thanks
- Sat Feb 16, 2013 4:52 am
- Forum: Training Room
- Topic: Braking of a.c. induction motor
- Replies: 1
- Views: 3514
Braking of a.c. induction motor
with reference to braking of a.c. induction motors please explain why electrical braking ( Plugging or Dynamic ) is preferable to mechanical braking.
Thanks.
Thanks.
- Wed Feb 13, 2013 7:09 am
- Forum: Training Room
- Topic: Regarding A.C generator
- Replies: 1
- Views: 3514
Regarding A.C generator
Please explain why the usual arrangement is to have stationary A.C windings and rotating poles ? ( for reasons other than high maintenance of slip ring and lower power to weight ratio )
Thanks.
Thanks.
- Mon Feb 11, 2013 2:01 am
- Forum: Training Room
- Topic: Scuppers and Bulwarks
- Replies: 0
- Views: 3578
Scuppers and Bulwarks
* why scuppers are located in close proximity to superstructure where as freeing ports are generally located at open areas of the weather deck. * why oil tankers have ship's side guard rails abreast of cargo tanks for reasons other than the safety of personnel. *what is the difference between open b...