OBJECTIVE –QUESTIONS ON TRD (PART - 4)
152.Which one is reference for ADT?
a) 35ºC
b) 27 ºC
c) 20 ºC
d) 30 ºC
153. During POH of ATD it is good to reverse the ends of SS rope.(True/False)
154. TI/MI0028 states about maintenance of ---------------------------------
155. In case of Insulated Overlap the clearance between both the OHE is -------------------
156. Implantation of obligatory structures --------------------------------------------------------
157. In case of Un- Insulated Overlap the clearance between both the OHE is ---------------
158. Identify from the given that does not indicate the type of a Turn- Out.
1) PTFE type
2) Regulated type
3) Semi-Regulated type
4) Cross- type
a) 4, 2 b) 3, 4 c) 1, 2, 3 d) 1, 4
159. Crossing span should not be more than --------- mts in case of Overlap type Tyrnout.
160. In general the Encumbrance is maintained at --------- mts.
161. Steady Clearance with Drop Bracket Clamp is ---------------mm.
162.Distance between Mast Top and Bottom fitting of a Bracket Assembly?
163.Size of Bracket tube for Platform location Bracket Assembly?
164.At support the axial distance between Catenary and contact wire is called as?
165.How much is minimum Encumbrance?
166.Size of BFB Steady Arm?
167.Distance of G jumper from support?
168.Duration of replacement of PG clamp?
169.How many PG clamps are required for a G jumper?
170.Size of Structure Bond?
171.Z bond is provided nearby to track circuit.(True/False)
172.Distance between two Cross Bonds on main line?
173.The minimum permissible size of Bond is?
174.PTFE neutral section is provided in SSP overlap.(True/False)
175.What is the length of short PTFE type Neutral Section?
176.What is wrong in connection with Neutral Section?
a)It isolates supply of two different phases.
b)AC engines pass this section by their momentum.
c)It is located corresponding to SP switching station.
d)It improves power factor.
e)Non of the above.
177.Which one do not requires earth pit?
a) Isolator
b) PTFE neutral section
c) Over line structure
d) Over Lap type N/S
178. Stagger of PTFE type Neutral Section?
a) 0
b) +100
c) -100
d) +/- 200
179.Stagger of Neutral OHE in Over Lap type Neutral Section is?
180.No. of Caution Boards applicable to each Neutral Section is?
181. The stagger of section insulator should be ------------------
182 Encumbrance at Section Insulator should not be less than -----------------mm
183. Clearance between trailing side runner of section insulator and Contact wire is --------
184. Size of Section Insulator Runner is ----- X -------.
185. For all conditions of section insulator a speed restriction of 80KMPH shall be applicable.(True/false)
186. Generally the Tension length of regulated OHE is ----------------------------
187.Anchoring height of Regulated OHE ------------------------------------
188. Cross Sectional area of Catenary Wire is -------------------------------
189.What we find in current collection test?
190.What is current rating of 25 KV AC OHE in Simple catenary system?
191. Anchoring height of Un- Regulated OHE ------------------------------------
192. Minimum Height of OHE in Loco Shed? ----------------
193. The distance between two consecutive C jumpers in regulated OHE? ------------.
194. Maximum tension length of Regulated OHE ------------------------------------------
195. The minimum clearance of 25KV OHE and Over line Structure?------------------
196. Bridle Wire is used for ------------------------------- type OHE.
197.Rigid dropper can be used on main line.(True/False)
198.Periodicity of Current Collection test is 3 months.(True/False)
199. Tolerance in OHE height is ---------------------- mm
200. Is the tolerance applicable for minimum height and implantation?(YES/NO)
ANSWER
152.a
153.True
154.Turn Outs, Cross- Over
155.500 mm
156.3.00 mts
157.200 mm
158.c
159.54
160.1.40
161.300
162.1.90 / 2.00 mts
163.40/49 mm
164.Encumbrance
165.30cm
166.32x31 mm
167.5.6 mts
168.4 years
169.8
170.40 x 6 mm
171.True
172.350 mts
173.200 sqmm
174.False
175.3.74 mts, 9.40 mts
176.d
177.d
178.a
179.-50mm
180.4
181.Zero
182.450
183.220mm
184.40 x 8 mm
185.False
186.1500 mts
187.6.75 mts
188.65 sqmm
189.Spark Locations 190.600 Amps 191.6.95 mts
192.5.80 mts 193.350 mts 194.1600 mts
195.250mm 196.Tram-Way 197.False
198.True 199.20 mm 200.NO
