Mechanical Engineers Recruitment Exam Questions with Answer Part 2

Total 100 Mechanical Engineers Recruitment Exam Questions with Answer Published here, Part 1 is available here
Question26:-As per regulation 15 of Annex I of MARPOL, what is the maximum
amount of oil content of the effluent without dilution that can be discharged into
the sea ?
A:-10 parts per million
B:-15 parts per million
C:-5 parts per million
D:-20 parts per million
Correct Answer:- Option-B
Question27:-Which of the following statements are true with respect to the relief
valve fitted on the hydraulic system of steering gear ?
i) A relief valve need not be fitted if the system is pressure tested
ii) The setting of the relief valves shall not exceed the design pressure
iii) The size of the valves must be so as to avoid an undue rise in pressure above
design pressure
iv) The setting of the relief valves shall not exceed 1.5 times the design pressure
A:-Only i
B:-Only ii
C:-Only (ii and iii)
D:-Only (iii and iv)
Correct Answer:- Option-C
Question28:-What is the validity period of an International Air Pollution Prevention
Certificate issued to a ship ?
A:-5 years
B:-10 years
C:-15 years
D:-20 years
Correct Answer:- Option-A

Other Mechanical Engineering Questions
Question29:-Which among the below Codes/Conventions deals with hours of work
and hours of rest of seafarers onboard a ship ?
A:-STCW 2010
B:-MLC 2006
C:-ISM Code
D:-SOLAS
Correct Answer:- Option-B

Question30:-As per ISM Code, who is responsible to establish procedures to identify,
describe and respond to potential emergency shipboard situations ?
A:-Master of the ship
B:-Chief Engineer of the ship
C:-Company
D:-Safety Officer
Correct Answer:- Option-C
Question31:-Which among the below is the lubricating oil additive that neutralizes
acidity formed in the oil?
A:-Depressant
B:-Anti-oxidant
C:-Corrosion Inhibitor
D:-Dispersant
Correct Answer:- Option-C
Question32:-The energy absorber unit provided on vibratory systems to offer
resistance to oscillations is known as
A:-Absorber
B:-Balancer
C:-Resonator
D:-Damper
Correct Answer:- Option-D
Question33:-Which among the below statements is not true with regard to
emergency bilge pump ?
A:-Its motor is enclosed in an air bell
B:-It is a multi-stage gear pump
C:-It is capable of working when completely submerged
D:-It is designed to operate for long periods without attention
Correct Answer:- Option-B
Question34:-In a centrifugal pump with the ring of guide passages around the
impeller, the kinetic energy of the liquid is converted into pressure energy by
A:-Impeller
B:-Diffuser Passage
C:-Energiser
D:-Casing Ring
Correct Answer:- Option-B
Question35:-Which among the below are the functions of a viscotherm installed in a
fuel oil system onboard a ship ?
i) Measure the viscosity of fuel oil
ii) Cut-off fuel supply to stop the engine
iii) Provide a signal to control the heating of fuel oil
iv) Bypass the fuel oil into a homogenizer
A:-Only (i and iv)
B:-Only ( i and iii)
C:-Only (i and ii)
D:-Only (i, ii and iii)
Correct Answer:- Option-B
Question36:-Which among the below is not a reason for higher maximum pressure
of ignition in a diesel engine ?
A:-Early injection
B:-Fault in the injector
C:-Use of fuel of higher ignition quality
D:-Late injection
Correct Answer:- Option-D
Question37:-Which among the below are the functions of volute casing of a
centrifugal pump ?
i) It converts velocity energy into pressure energy
ii) It converts pressure energy into velocity energy
iii) It accommodates the gradual increase in quantity of fluid that builds at
discharge from the circumference of the impeller
iv) It increase the velocity of flow
A:-Only (i and iii)
B:-Only (ii and iii)
C:-Only (iii and iv)
D:-Only (ii and iv)
Correct Answer:- Option-A
Question38:-Which among the given options is not recorded by a Voyage Data
Recorder ?
A:-Engine speed
B:-Rudder angle
C:-Bridge conversation
D:-Engine room conversation
Correct Answer:- Option-D
Question39:-Which among the below are the functions of a thrust block ?
i) It transfers forward or astern propeller thrust to the hull
ii) It dampens vibration of the hull
iii) It limits axial movement of the shaft
A:-Only i
B:-Only (ii and iii)
C:-Only (i and iii)
D:-All of the above (i, ii and iii)
Correct Answer:- Option-C
Question40:-Which among the following statements are correct with regard to
propeller shafting with reduction gears ?
i) The arrangement permits engines and propellers to run at their best speeds
ii) The arrangement requires higher starting air capacity as compared to directly
coupled propeller arrangement
iii) The arrangement permits use of more than one engine to be coupled to the
same propeller
A:-Only (i and iii)
B:-Only (ii)
C:-Only (iii)
D:-All of the above (i, ii and iii)
Correct Answer:- Option-A
Question41:-A ________ is fitted along the bilge radius either side of the ship to
damp any tendency the ship has to roll.
A:-Bilge plate
B:-Anti-roll plate
C:-Bilge Keel
D:-Keel plate
Correct Answer:- Option-C
Question42:-The tonnage value obtained by deducting the total value of the
‘deducted spaces’ from the gross tonnage is called
A:-Deducted tonnage
B:-Net tonnage
C:-Profit tonnage
D:-British tonnage
Correct Answer:- Option-B
Question43:-Which among the below is the purpose of a clench pin ?
A:-Pin used to engage the clutch of windlass
B:-Pin used to engage the brake of the windlass
C:-Pin used to hold the anchor cable in place while the ship is riding at anchor
or the anchor is fully housed
D:-Pin used to secure the final link of the anchor cable to the ship’s structure
Correct Answer:- Option-D
Question44:-The uppermost continuous deck exposed to the weather and the seas
which has permanent means for the watertight closure of all exposed openings on
the deck and in the side shell below is called
A:-Exposed deck
B:-Freeboard deck
C:-Open deck
D:-Water deck
Correct Answer:- Option-B
Question45:-Which among the below is the reason for keeping troughs on
corrugated longitudinal watertight bulkheads in horizontal direction ?
A:-To facilitate welding
B:-To reduce the weight of the bulkhead
C:-To prevent any accumulation of liquid cargo
D:-To add to the longitudinal strength of the ship
Correct Answer:- Option-D
Question46:-As per the Fire Safety Systems Code, what must be the capacity of
self-contained breathing apparatus used as part of fire fighter’s outfit ?
A:-Capable of functioning for at least 15 mins
B:-Volume of air contained in the cylinders shall be at least 600 litres
C:-Capable of functioning for at least 30 mins
D:-Volume of air contained in the cylinder shall be at least 1000 litres
Correct Answer:- Option-C
Question47:-With respect to fire detectors used in fixed fire detection and fire alarm
systems onboard, which among the following statements are true ?
i) Flame detectors shall only be used in addition to smoke or heat detectors
ii) Smoke detectors shall only be used in addition to flame or heat detectors
iii) Smoke detectors within accommodation spaces shall be certified to operate in
the range of 2 to 12.5% obscuration per metre
iv) Heat detectors shall only be used in addition to flame or smoke detectors
A:-Only i
B:-Only (iii and iv)
C:-Only (i and iii)
D:-Only (ii and iii)
Correct Answer:- Option-C
Question48:-The front wheel alignment is adjusted by changing the
A:-Length of Track Arm
B:-Angle of Track Arm
C:-Position of Drag Link
D:-Distance between King Pins
Correct Answer:- Option-A
Question49:-Which among the below statements are true with respect to a
hydrostatic release unit (HRU) used in the float-free arrangements ?
i) HRU must automatically release the life raft at a depth of not more than 8 m
ii) HRU must be permanently marked on its exterior with its type and serial number
iii) HRU must automatically release the life raft at a depth of not more than 4 m
iv) HRU must be permanently marked on its exterior with the ship’s name
A:-Only (i and ii)
B:-Only (ii and iii)
C:-Only (i and iv)
D:-Only (iii and iv)
Correct Answer:- Option-B
Question50:-What is the requirement regarding capability of lifeboat launching
appliance as per LSA Code ?
A:-The launching appliance shall be capable of recovering the lifeboat without
its crew
B:-The launching appliance shall be capable of recovering the lifeboat with
50% of its crew
C:-The launching appliance shall be capable of recovering the lifeboat with
100% of its crew
D:-The launching appliance shall only be capable of launching the lifeboat
Correct Answer:- Option-C

Mechanical Engineers Recruitment Exam Questions with Answer Part 1
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