Q1. What is Zener diode and how does it regulate the voltage? What happens to the series current, load current and Zener current when the d.c input voltage of a Zener regulator increases? Draw a neat diagram of Zener regulator and explain. (16)
Q4. With the aid of suitable line diagrams, sketch and describe a suitable (MGPS) Marine growth protection system installed on vessels to prevent fouling of internal sea water system mention the important precautions, if any while handling the system. (16)
Q7. (a) As per Annex II of MARPOL. Describe categories in which substances are divided. (8)
(b) Give conditions under which they can be discharged outside special areas? (8)
Q8. With reference to “ISM code” write short notes on. (16)
a) Management Review
b) Advantage of drills and procedure
c) Master overriding authority.
d) Advantage of internal audit.
Q9. a) Sketch and describe a total flooding CO2 gas system suitable for the protection of machinery spaces. (6)
b) State, with reasons, which valve should be operated first in the system shown in (a) (4)
c) State the periodic maintenance required on the system. (6)
Username or email address *Required
Password *Required
Note: Entering wrong username in the login form will ban your IP address immediately. Entering wrong password multiple times will also ban your IP address temporarily.
Log in
Lost your password? Remember me
No account yet?
