99.  Pick up the correct statement from the following :
A. An extra width of 7.5 cm ballast is provided on outside a curve if track is laid with short welded rails
B. An extra width of 7.5 cm ballast is provided on outside a curve sharper than 3? on B.G. and M.G. tracks
C. An extra width of 15 cm ballast is provided on each shoulder if the track is laid with welded rails
D. All the above.

---

100. The standard width of ballast for B.G. track in Indian Railways, is kept
A. 3.35 m
B. 3.53 m
C. 2.35 m
D. 2.53 m

---

101. The standard width of ballast for M.G. track in Indian Railways, is kept
A. 3.35 m
B. 3.53 m
C. 2.30 m
D. 2.50 m

---

102. The quantity of stone ballast required per metre tangent length, is
A. 1.15 m3
B. 1.14 m3
C. 1.13 M3
D. 1.11 m3.

---

103.  Pick up the incorrect statement from the following :
A. Fish plates fit the underside of the rail head
B. Fish plates fit the top of the rail foot
C. Fish plates fit the web of the rail section
D. Cross sectional area offish plates, is normally the same as that of the rail section.

---

104. The spike commonly used to fix rails to wooden sleepers in Indian railways, is
A. dog spike
B. screw spike
C. round spike
D. all the above.

---

105.  Overall depth of a dog spike, is
A. 120.6 mm
B. 155 90 mm
C. 135 mm
D. 150 mm

---