Railway perparation for engineering student must check MCQ question

                           

RRB EXAMS

                    RAILWAY ENGINEERING
Self  preparation of Rilway and engineering other examination
                           (RRB Group-D, SSC ENGINEER,DELHI METRO)


SURVEY
surveying in railway project is very important.The important types of surveys are--
(1) traffice survey
(2) Reconnaissanace survey
(3)Preliminary or initial location survey
PERMANENT WAY
   The combination of rails fitted on sleepers and resting on ballast and sub-grade is called a permanent way. The clear distance between inner face of the rails is known as the gauge.Now-a-day following gauges are used in our country.

Railway MCQ question...........

   

1.

Mr. W. Simms, the consulting Engineer to the Government of India recommended the gauge for Indian railways

A. 1.435 m as adopted in England B. 1.800 m as per Indian conditions C. 1.676 m as a compromise gauge D. 1.000 m as a standard gauge Answer: Option C How? In India broad gauge will be used then B.G = 1.676m. 2.  If absolute levels of rails at the consecutive axles A, B, and C separated by 1.8 metres are 100.505 m, 100.530 m, and 100.525 m respectively, the unevenness of rails, is A. 0.065 m B. 0.055 m C. 0.045 m D. 0.035 m Answer: Option A HOW? Find mean of all, you ll get 100.520 Unevenness = |100.505 - 100.520| + |100.530 - 100.520| + |100.525 - 100.520| divided by 1.8 = 0.063888. 3.  A CST-9 sleeper consists of A. two inverted triangular pots on either side of rail seat B. a central plate with a projected key and box on the top of plate C. a tie bar and 4 cotters to connect two cast iron plates D. a single two way key provided on the gauge side to hold the rail to sleeper E. all the above. Answer: Option E HOW? 4.  Charles Vignoles invented the flat footed rails in A. 1814 B. 1836 C. 1846 D. 1856 E. 1873 Answer: Option B HOW? The experience led to larger projects, including new railways in Ireland, which then was wholly part of the United Kingdom. This included Ireland's first, the Dublin and Kingstown (the latter town and ferry port is now called Dun Laoghaire) (1832-34) , initially built to the standard English gauge of 4 ft 8 1/2. The later extension, the Kingstown and Dalkey railway, was built as an atmospheric railway. Between 1836 and 1838, Vignoles was engineer to the royal commission on railways in Ireland. He had possibly been associated with Stephenson in initial work for a proposed Sheffield and Manchester Railway, but by the time the prospectus was issued in 1830, they had parted company. In the event, the scheme foundered because of the severity of the proposed route via Whaley Bridge and over Rushop Edge into the Hope Valley. He designed "Vignoles Bridge" in Coventry (which originally spanned the Oxford Canal) in 1835. He was retained in 1835 to survey the scheme which followed it, the Sheffield, Ashton-Under-Lyne and Manchester Railway (later: Manchester, Sheffield and Lincolnshire Railway) , including the original Woodhead Tunnel. For this he experimented with a steam boring machine. However there were difficulties with his relationship with the directors and contract, and his remuneration, so he resigned in 1839 before work was started. Meanwhile he surveyed the Midland Counties Railway linking Nottingham, Derby and Leicester with Rugby, opened in 1839. 5.  6.  To design a cross-over between parallel tracks, the required components are : A. two switch, points, two acute angle crossings and two check rails B. two switch points, two acute angle crossings and four check rails C. two switch points, two acute angle crossings and six check rails D. none of these. Answer: Option B HOW? The first Indian railway was laid in A. 1775 B. 1804 C. 1825 D. 1853 E. 1876 Answer: Option D HOW? Railways were introduced to India in 1853 from Mumbai to Thane, and by the time of India's independence in 1947 they had grown to forty-two rail systems. In 1951 the systems were nationalised as one unit "Indian Railways" to form one of the largest networks in the world. The broad gauge is the majority and original standard gauge in India; more recent networks of metre and narrow gauge are being replaced by broad gauge under Project Unigauge. The steam locomotives have been replaced over the years with diesel and electric locomotives. 7.  The weight of the rails depends upon A. gauge of the tracks B. speed of trains C. spacing of sleepers D. nature of traffic E. all the above. Answer: Option E HOW? 8.  Pick up the correct statement from the following : A. Rails are directly laid over hard wooden sleepers and fixed with spikes B. Adzing is done on hard wooden sleepers C. Bearing plates are used on soft wooden sleepers D. Chairs are used for bull headed rails E. All the above. Answer: Option E 9.  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 of fish plates, is normally the same as that of the rail section. Answer: Option C 10.  Minimum depth of ballast prescribed of B.G. trunk lines of Indian Railways, is A. 20 cm B. 15 cm C. 25 cm D. 30 cm E. 35 cm Answer: Option C HOW? But foe BG depth of ballast is 20 cm.

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