JOIN ADRE 2.0 Telegram Group

Marine Engineers Quiz | Marine Engineers MCQs with Answers

Questions
101 Vacuum priming pumps which work on the principle of fixed vane pumps require _____________for___________ clearance between vane tips and casing.
A Lube oil, lubricating
B Lube oil, sealing
C Water, sealing
D Gland packing, sealing

Answer: Water, sealing
102 The flow rate through a F.O. transfer pump will not be affected by which of the following factors?
A Low F.O. temperature
B Low sounding in F.O. tank
C Internal leakage within the pump
D Leaking discharge valve

Answer: Leaking discharge valve
Advertisement
Article and Schedule Quiz Start Test!

DOWNLOAD CURRENT AFFAIRS PDF FROM APP

103 Which of the following can be done to reduce the cold corrosion of Main Engine cylinder liners using high sulphur fuel oil :-
A Increasing cylinder oil feed rate
B Using high TBN cylinder oil
C Increasing scavenge air temperature
D Decreasing cylinder oil feed rate

Answer: Using high TBN cylinder oil
104 When pressure inside a system falls below that of the vapour pressure of the liquid Cavities r formed, cavities travelling to high pressure region collapses releasing Considerable energy damage the metal surface which is known as
A Cavitation
B Erosion
C Impingment Corrosion
D Cavitation Erosion

Answer: Cavitation Erosion
105 Copper tubing is used in refrigerant system because
A It has less internal resistance
B It is cheaper compared to other materials.
C It is easier to check leaks in copper based system
D None of the above

Answer: It has less internal resistance
106 Which of the following V/V cannot be overhauled in place without removing piping?
A BallValve
B Diaphragm valve
C Globe valve
D Butterfly valve

Answer: Butterfly valve
107 After maintaining correct discharge pressure , soon ceases to discharge water what are possible cause?
A Pressure gauge wrong
B Pump sucking air
C Discharge valve throttled
D Casing wear ring is worn

Answer: Pump sucking air
108 Which of the following is a correct point for sampling of system lube oil for on board or shore analysis?
A Standpipes
B Purifier outlets
C Inlet or outlet of L. O. coolers
D Tank drains

Answer: Inlet or outlet of L. O. coolers
109 Increasing the rotational speed of a cargo pump the pump flow rate will:
A Increase in direct proportion to the increase in speed
B Decrease in direct proportion to the increase in speed
C Flow rate doesn???t depend upon speed
D Flow

Answer: Increase in direct proportion to the increase in speed
110 Surface preparation of steel surfaces , prior carrying out painting is important because (choose the best alternative) :
A Any rust and contaminant inclusions may cause local paint film breakdown
B Too much paint will be consumed if surface preparation is not carried out
C Surface will be very rough if proper surface preparation is not carried out
D Surface preparation deposits a chemical onto steel surface which reacts with paint film and causes strong bonding

Answer: Too much paint will be consumed if surface preparation is not carried out

ADRE 2.0 FULL LENGTH MOCK TEST

Take Mock Tests

Missiles Mock Test Start Test!
SSC MTS Mock Test Start Test
IBPS CLERK MOCK TEST Start Test
SSC MTS 2022 JULY 26 Shift 1 (ENGLISH) Start Test!
SSC GD Previous Year Paper 2021 Nov 17 Shift - I (Hindi) Start Test!
SSC CGL Tier - 1 PYP 2022 April 21 Shift- 1 (ENGLISH) Start Test!
MPSC PAPER I MOCK TEST 1 (ENGLISH) Start Test!
IB Security Assistant Mock test 1 (english) Start Test!
UP POLICE CONSTABLE MOCK TEST 1 Start Test!
DELHI POLICE CONSTABLE MOCK TEST 1 (HINDI) Start Test!
Advertisement
Assam Direct Recruitment Test Series