Exam Details

Subject marine engineering and control systems – i
Paper
Exam / Course b.sc.nautical science
Department
Organization alagappa university
Position
Exam Date November, 2017
City, State tamil nadu, karaikudi


Question Paper

B.Sc. DEGREE EXAMINATION, NOVEMBER 2017
Nautical Science
MARINE ENGINEERING AND CONTROL SYSTEMS I
(Upto 2015 batch)
Time 3 Hours Maximum 75 Marks
Answer all questions. x 15 75)
1. Write down Newton's three laws of motion.
Communication satellites orbit the earth at a height
of 36,000 km. How far is this from the centre of the
earth? Is such a satellite has a mass of 250 kG,
what is the force of attraction on it from the earth.
Or
Explain what is shear force and bending moments.
Define
Hardness
Ductility
Malleability.
Explain
Composition of force
Shear force.
Sub. Code
35
CP-8006
2
Wk 11
2. Write down the gas law and its equation.
Explain
Joules law
Dryness fraction.
An electric heater having resistance of 50 ohms is
connected to electric source. If it produces 180 joules
of heat in one second, find the potential difference
across the electrical heater.
Or
Define
Sensible heat
Latent heat.
Explain boiling point and effect of pressure on it.
3. Explain
Kinetic energy
Potential energy.
A 14300 kG aeroplane is flying at an altitude of 497
m at a speed of 214 km/H. Determine the
aeroplanes total mechanical energy.
Or
Write down the first and second law of
thermodynamics.
Define
Boyles law
Charles law.
State and prove conservation law of energy.
CP-8006
3
Wk 11
4. Explain
Electric current
Voltage
EMF.
A circuit consists of two resistors with resistances
R1 6.00 ohms and R2 1.50 ohms; A variable
resistor, the resistance Rvar which can be adjusted,
a resistor of unknown value Ru, and 9.0 volt battery
connected as shown in the figure. When Rvar is
adjusted to 12 ohms, there is zero current through
the ammeter what is the unknown resistance Ru?
Or
Define
Direct current
Alternation and current.
Explain
Ohms law
Kirchoff's law.
Explain
Electrostatics
Electro-magnetism
Electricity.
CP-8006
4
Wk 11
5. What is a centrifuge and what is it used for?
Explain how electricity is produced and distributed
in a ship.
What are the safety precautions to be taken during
bunkering (fuelling) of a ship?
Or
Explain how fresh water is produced from sea water
in a ship.
Why is the oily bilge water such an important item
in a ships engine room?
What are the various fire fighting fixed and portable
equipment available in a ship?



Other Question Papers

Subjects

  • computer programming and utilities
  • conventions and regulations
  • english and communication skills
  • environmental studies
  • marine engineering and control systems – i
  • marine engineering and control systems – iii
  • marine engineering and control systems — ii
  • marine management and commerce
  • maritime law
  • meteorology and oceanography - i
  • nautical mathematics — ii
  • nautical physics and electronics— i
  • nautical physics and electronics—ii
  • naval architecture – i
  • naval architecture – ii
  • navigation – i
  • navigation – ii
  • navigation – iv
  • navigation – vi
  • navigation — iii
  • navigation — v
  • oceanography and meteorology – ii
  • oceanography and meteorology – iii
  • ship masters business
  • ship operation technology – i
  • ship operation technology – ii
  • ship operation technology – iv
  • ship operation technology — iii
  • vayage planning, collision prevention and marine communication – ii
  • voyage planning and collision prevention and marine communication – i
  • voyage planning and collision prevention and marine communication – iv
  • voyage planning and collision prevention and marine communication – v
  • voyage planning and collision prevention and marine communication– i
  • voyage planning collision prevention and marine communication – iii