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SECL MINING SIRDAR EXAM-2017 PAPER

SECL MINING SIRDAR EXAM-2017 PAPER
1. FLP stands for
a)    Fire light and pressures
b)    Fire and lower pressure
c)    Flame proof
d)    Flame light and pressure
2. Manhole to be provided in haulage roadway at an interval of ……..
a)    25 m
b)    10 m
c)    20 m
d)    5 m
3. To appear in mining sirdar examination minimum educational qualification as per CMR 1957 is
a)    10th Pass
b)    12th Pass 
c)    Graduate
d)    Post Graduate
4. Notice of occurrence of mine accident is given in –
a)    Form IV A
b)    Form IV B
c)    Form IV C
d)    Form IV D


5. Cap Lamp is –
a)    Intrinsically safe
b)    Flame proof
c)    Both A & B
d)    None of these
6. Delay Detonators are to be used with which of the following types of explosives?
a)    P-1
b)    P-2
c)    P-5
d)    None of these
7. Gassy seam of the degree-III means a coal seam in which the rate of emission of inflammable gas per tonne of coal produced is more than –
a)    1 Cu.M
b)    10 Cu.M
c)    5 Cu.M
d)    None of these
8. Which type of extinguishers shall not be used for fighting electrical fires?
a)    Soda Acid type
b)    Foam type
c)    Water
d)    All of these

9. ABS stands for –
a)    Air blasting shelter
b)    Area blast station
c)    Air blast station
d)    None
10. Which type of stopping is used to block off ventilation between main intake and return?
a)    Fire stoppings
b)    Isolation stoppings
c)    Explosion proof stoppings
d)    Ventilation stoppings
11. RMR stands for – full form of R.M.R. is :-
a)    Rock mechanical rating
b)    Rock mass ratio
c)    Rock mass rating
d)    Rock mineral rating
12. Goaf is a place where –
a)    Coal has to be taken out
b)    Support withdrawal to be done
c)    Coal has been taken out
d)    Both coal and support have been
13. Pneumoconiosis disease is caused due to following
a)    Water
b)    Noise
c)    Dust
d)    Temperature
14. Maximum height of development workings in underground shall not exceed……. Meters as per CMR-1957.
a)    4.5
b)    2.5
c)    5.5
d)    3.0
15. Maximum width of development galleries in underground workings shall not exceed …. Meters as per CMR – 1957
a)    4.2
b)    4.5
c)    4.8
d)    5.2
16. Which is the operation related to depillaring?
a)    Splitting
b)    Gallery formation
c)    Air crossing
d)    Joining gallery
17. As per CMR- 1957, length of lid used over a prop shall not be less than –
a)    36 cm
b)    60 cm
c)    50 cm
d)    100 cm

18. As per CMR 1957, restriction of underground working in the vicinity of railways is mtrs.
a)    30
b)    45
c)    60
d)    120
19. The velocity of air current may be measured by –
a)    Vibrometer
b)    Methanometer
c)    Anemometer
d)    Taximeter
20. Mining sirdar’s charge hand over/take over in underground mines shall be done?
a)    In working district below ground
b)    At the MTK office
c)    At manager’s office
d)    In every month
21. Purpoes of wire gauge in safety lamp is –
a)    To prevent the passage of flame from the inside to the outside
b)    To have good gas detecting qualities
c)    To increase mechanical strength and robrstness
d)    To give high illumination

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