function 4&6
1) common rail fuel injection and spcv 2)pilot injection duel fuel engine why? 3) thrust pad generates hydrodynamic film how? 4) reducing valve(plz explain him simple one with feedback) 5)valve lift max d/4 why? 6) identify broken tie rod in 8cyl engine. 7)how to increase purifier starting time? 8) postion of air compressor and dg piston rings why so. 9) what is Api, astm , bis , ps? 10) How to record main bearing wear down? |
GUYS FUN 4 IT WAS
1)What are the latest development in rtflex and me engine. 2)different parts of economiser and where steam is generated. 3)what is dead band in governor and how to minimise it. 4)what is oros piston and latest development in combustion chamber. 5)explain lubrication of sleeve type of bearing in turbocharger.how axial thrust is taken.. |
satety func3
1. what is ESP?if a bulk carrier is 5 yrs old ,is there any requirement of esp or not during its first dry dock. 2. what is the basic difference between hypermist and sprinkler system? 3. what is R.O.?&its function 4. what is the regulation of steering gear for an oil tanker and detail about its safematic system? 5.what all instruction to ur newly join junior enggineer? ........ 1.what is factor of sub division and which part of ship should have longest floodabl length? 2. 2 yrs maintainance of fixed Co2 system? Result pass |
Fn 4
1. name and explain the properties of lubricant of a trunk piston engine 2. VIT and various cross questions 3. cascade control 4. off-on control and example 5. JCW temperature control in your last ship 6. tie rods and various cross questions Fn 6 1. M/E main bearing removal and survey 2. key less propeller fitment and tightening procedures 3. thrust bearing lubrication and thrust bearing position and reason 4. name 4 most important drawings required for dry dock and why 5. what is docking plan 6. stern tube bearing clearance |
Questions
1-How you coment about gm of the vassesl looking from jetty. 2-asked about new development in hull structure to improve efficiency. 3- according to your ship what are annexes apply and what are arrangements are provided. 4-how air compressor is startedd in unloaded conditions. 5-after piston is removed how will you carry out liner inspection. 6-dol starter diagram 7-types of rotors in ac motors and construction of squirrel cage rotors 8-speed regulation in ac motors 9- if your company has asked to check batteries if they are not good then order new. Emergency batteries 10-which type of defrosting system is used on your ship if automation of electrical defrost sys is failed then how you operate it. 11- if aux engine is taking very less load and if load is increased then exhaust high temp alarm is coming the tell the least expensive problem in dg. 12-if junior has takec deflections in dg and all tge unit readings are correct except one unit then what will hour action |
all fns
Q1- Wt is margin line? Significance of it. Q2- Wt is hull plate material? Wt are test carried out on it? Q3- wt is PSC recognised co-orperation? Q4-Wt is crankshaft torsional vibration? Wt arrangements are provided to dampen dis vibration ?Wt check will u carried on vibration damper? Q5- How will u decide capacity of sludge tank? Q6- cross section of gear pump? And flow through gear pump? Q7- Wt is d purpose of tie rod? Wt are all load on tie rods? Q8-Sketch the diagram to show how bottom holding bolts are connected? Q9-ISPS- code? Q10-How alternator windings are connected? Why dey are connected like dis? Q11- overchrging of batterries? Q12- Wt is HRC? Q13- How will u control the speed of three phase induction motor ? Q14- How will u measure insulation resistance? Wt should be the reading instrument show? Q15- Wt is case hardening? Why it is carried out? |
Func.4
1.Bottom end bearing removal all checks.key points want to hear that guide shoes should be locked but this is not there in manual. 2.what is P+I+D controller and explain with reference to electronic governor. 3.How does Man b&w hydraulic governor functions want to know hw goveener is arranged so that it senses jcw or piston cooling water high temp. and gives the slow down request. 4.what is cascade and split control system. Fun6. 1.When you are pushing the propeller how you can be assured that it is correct push up. 2.what is cold hardening. 3.what is light spring diagram have u taken this diagram &what all information it provides. 4.how you get the information that chain is slack not by opening the c/case and calculating chain length but wanted to hear abt. Sm engine parameters... 5.how you grind the exhaust valve and seat hw u check whether it can be used or discarded , hw u check it and why it has to be discarded or reconditioned after the limit is reached.why can't we continue with the same |
Fn 4 and fn 6
Fn.4 1 . significance of overlap 2. Designer's development to reduce NOx 3.ignition delay ant its causes. 4.axial thrust in multistage centrifugal pump 5.why rudder is not turned above 35 degg. 6.why rudder torque is less when ship is moving ahead and more when moving astern. FN .6 1.how to find pitch of d propeller in dd 2.why we carry out t.alkalinty test after carrying out p alkalinity. 3.toughness test 4.bottomhalf of main bearing damaged no spare what to do. 5.oil traces on aft of d engine temporary repair 6 .designing aspect of taking d cantaliver load of propeller |
fun 3 and 5
fun 3 1. fire detection system in pump room of an oil tnkr. 2. heaving speed of windlass. 3. wat is nox, wat all machinery produces nox,regulation,scr 4. panting and ponding. fun 5 1. how to start synchronous motor(other than pony motor). 2. for brushless excitation, value of voltage and current. 3. single phasing protection(other than bimetallic strip and thermistor) 4. generator capacity cannot be expressed in KW. why |
Fnc 4
1. What is derivative control in electronic governor pid control. 2. Super vit in fuel pump. Why used. What is the range. 3. Steering gear 2 ram system regulation. If one ram fails how to proceed to port. 4. Air compressor intermediate pressure for good efficiency. 5. In m/e how is the crank pin made. What is special about this crank pin. He wants metallurgy and 5 properties. Fnc 6 1. Foundation bolt drawing. Why a sleeve. Why longer length of bolt. 2. Boiler high lift safety valve and imp high lift safety valve. Difference 3. Boiler feed water multistage pump how axial thrust is taken care of. 4. 0.1% proof stress. 5. How will u remove bottom brg shell of an aux engine |
Fn 4&6
1. Turbocharger hauling, causes and remedies 2. locking of T/C 3. AE bottom end bearing bolt, which part takes maximum load and design aspects. 4. Draw card, exhaust line showing high, reason 5. how to improve COP of Reefer. 6. How to test Toughness of a material ? 7. Safety valve checks after installation and before pr. testing. 8. ME main bearing black spot, reason. 9. What takes the radial thrust in centrifugal pump. 10. Rotary vane steering. What if 2 vane rotary gear used in place of 3 |