OBJECTIVE –QUESTIONS ON TRD (PART - 2 )
OBJECTIVE –QUESTIONS ON TRD (PART - 2 )
52. Implantation (min.) of opposite gantry mast is ------------------------
53. Clear span of N type portal is ----------------------------
54. Clear span of O type portal is ----------------------------
55. Clear span of R type portal is ----------------------------
56. State the size of BFB 6x6 in mm ------------------------
57. Normally the length of drop arm is ---------------------
58. The boom of TTC mast is available in ----------------------------- mts. Lengths
59. Implantation of obligatory mast is -------------------------- mts.
60. Maximum standard span is ------------------ mts.
61. Minimum implantation at Platform is -------------- mts.
62.Clear span of TTC mast?
63.Leaning mast is painted with ____________ colour strap as identification mark.
64.Mast supporting OHE of different elementary sections should be painted with ------- colour strap as identification mark.
65.Implantation is also known as setting distance. (True/False)
66. A mast inclined instead of being normal to the ground level is called as ---------- mast.
67. What is used to declare a mast as leaning mast?
a) Measuring tape/Plumb bob
b) Plumb bob/Binocular
c) Binocular/Measuring tape
d) Sprit level.
68. Mast leaning more than -------- cm is not permissible.
69. The term Reverse Deflection is associated with ----------------
70. Reverse Deflection applicable is ---- to ------- cm.
71. Minimum implantation is ----------- mts
72. Normal implantation as per new standards is ---------------------- mts.
73. Minimum span length is ---------------------- mts.
74. The difference of two consecutive span lengths should not be more than-----mts.
75. Tolerance applicable in mast implantation is ---------------------mm.
76. Spans that are multiples of ------ mts. Are known as standard spans.
77. Spans that are not multiple of ------mts. Are known as Non standard span.
78. 54 mts span length is a non-standard span. (True/False)
79. N type portal is suitable for OHE of maximum ------- No. tracks.
80. O type portal is suitable for OHE of maximum -------- No. tracks.
81. R type portal is suitable for OHE of maximum -------- No. tracks.
82. P type portal may be used in place of –
a) N portal
b) O portal
c) R portal
d) BFB portal.
83. G type portal may be used in place of –
a) N portal
b) O portal
c) R portal
d) BFB portal.
84. Size of up-right for N type portal is –
a) 450x450
b) 550x550
c) 600x600
d)400x400
85. Size of up-right for O type portal is –
a) 450x450
b) 550x550
c) 600x600
d)400x400
86. Size of up-right for R type portal is –
a) 450x450
b) 550x550
c) 600x600
d)400x400
87. Size of up-right for P type portal is –
a) 450x450
b) 550x550
c) 600x600
d)300x300
88. Size of up-right for G type portal is –
a) 450x450
b) 550x550
c) 600x600
d)250x400
89. Standard BFB mast size ----------------------------
90. RSJ mast size -----------------------------------------
91.What are the different sizes of B series mast ?(any three)
92.What is the size of B-150 mast?
93. Normally OHE masts are ------------ mts. Long.
94. ------------ mm portion of OHE mast must be embedded in foundation block.
95.In case of fabricated mast channel width should be parallel to track.(True/False)
96.Welded surface of fabricated mast shall remain perpendicular to track. (True/False)
97.In case of BFB/RSJ mast either of the surfaces can be set parallel or perpendicular to the track.(True/False)
98.PSC mast means mast made up of Concrete. (True/False)
99. Minimum permissible implantation on Outside curve is ------------- mts.
100. Minimum permissible implantation on Inside curve is ------------- mts.
ANSWER
51.Implantation. 52. 4.30 mts 53.10-20 mts. 54.20-30 mts
55.30-40 mts 56.152 X 152 57.3 mts. 58.5 & 8 mts.
59.3.00 mts. 60.72 61.4.75
62.Clear span term is not used for TCC mast. 63.Yellow 64.Red
65.True 66.Leaning mast. 67.a 68.15 cm
69.Mast Erection 70. 5 to 8 cm 71.2.36 mts 72.2.80 mts.
73.27 mts 74.18 75.30 76.4.5
77.4.5 78.False. 79.4 80.6 81.8
82.a 83.b 84.a 85.b 86.c
87.d 88.d 89.6” x 6” 90.6” x 8” 91.B125, B150 , B175
92.150X300 mm 93.9.3 , 9.5 mts. 94.1350 mm 95.True. 96.True
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