MCQ - USFD

1➤ The technique of working used in ultrasonic testing for the design of equipment on the Indian Railway is................

Resonance techniquePulse echo system Transmission systemAcoustic range

2➤ SSE/P-way (In-charge ) shall check the work of SSE/P-way/USFD at least once in ............... round of testing or as specified by higher authority.

32Each1

3➤ USFD test check by ADEN once in ............... minimum .............. hours during regular trolley inspection.

6 months, 24 months, 3a month, 23months, 2

4➤ Initial course duration of JE/SSE/USFD is ............

3 weeks4 weeks1 week2 weeks

5➤ Refreasher course duration of JE/SSE/USFD is............... weeks.

1423

6➤ Material defects originating during the manufacturing process of Rails...........

Guide marksHydrogen flakesNonmetallic InclusionAll of the above

7➤ Defect associated with faulty welding............

Lack of fusion Corrosion Denting Scoring

8➤ In AT welds due to improper welding may introduce a variety of defects on the joints as well as in the heat affected zone (HAZ) ..............

Lack of fusion Slag inclusion Porosity All of the above

9➤ In codification of Rail defects or failure code 211 stands for.............

Internal flaw in head, horizontal crackInternal flaw in head, transverse breakageInternal flaw in head, vertical longitudinal spliTransverse breakage without apparent origin

10➤ In codification of Rail defects or failure code 212 stands for............

Internal flaw in head, horizontal crackInternal flaw in head , transverse breakageInternal flaw in head, vertical longitudinal splitTransverse breakage without apparent origin

11➤ I condition of rail defects or failure code 421 stands for ..........

Welding Thermit joint Horizontal joint crack Welding Thermit joint Transverse joint CrackWelding oxyacetylene joint Transverse joint CrackWelding Flash butt joint Transverse joint Crack

12➤ Marking of USFD defects done with............ Color paint.

RedWhiteYellowGreen

13➤ Marking of Rail defects/flaws with red paint in USFD testing for OBS/OBSW...........

++++++0

14➤ Marking of Rail defects/flaws with red paint in USFD testing for IMR/IMRW

++++++0

15➤ After marking USFD flaw as IMR/IMRW, who will impose SR30 kmph immediately?

Sectional JESectional SSEADENUSFD JE/SSE

16➤ OBS/OBSW, USFD marks to be watched during daily patrolling till it is joggled fish plated by whom?

KeymanPatrolmanWatchmanMate

17➤ The assessed service life pf T-12, 52 kg, 72 UTS Rail in terms of GMT is..................

250350525550

18➤ The assessed service life of T-12, 52 kg, 90 UTS Rails in terms of GMT is................

350250525550

19➤ The probes used in USFD testing of welds are..............

04570All the above

20➤ USFD testing is a .............. type of testing

Destructive VisualNon-destructiveX-Rays

21➤ In USFD testing ............ rail tester is capable of testing only one of the rails at a time.

DoublePortableSingleNone of the above

22➤ In USFD testing of Rails the defects are classified as.........

OBS/OBSWMR/IMRWBoth A & BNone of the above

23➤ Every new SKV weld should be tested............. after welding

One yearImmediate6 monthsNone of the above

24➤ SFD SPURT car tests both the rails with the speed of........

50 kmph40 kmph30 kmph20 kmph

25➤ Symbol for marking of USFD defect "DFWR" With red paint

++++++0

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