ALLIGATION OR MIXTURE PROBLEMS QUIZ

The desirable rate of change of cant deficiency in case of Metre Gauge is

20 mm/sec

65 mm/sec

55 mm/sec

35 mm/sec

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following types of sleepers is preferred on joints ?

CST-9 sleeper

steel trough sleeper

concrete sleeper

wooden sleeper

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following factors govern the choice of the gauge ?<br/>i) volume and nature of traffic<br/>ii) speed of train<br/>iii) physical features of the country<br/>The correct answer is

both (ii) and (iii)

only (i)

(i), (ii) and (iii)

both (i) and (ii)

TRUE ANSWER : ?
YOUR ANSWER : ?

Staggered joints are generally provided

On curves

When two different rail sections are required to be joined

None of these

On straight track

TRUE ANSWER : ?
YOUR ANSWER : ?

Normally the limiting value of cant is (where G is the gauge.)

G/10

G/8

G/15

G/12

TRUE ANSWER : ?
YOUR ANSWER : ?

The correct relation between curve lead (CL), switch lead (SL) and lead of cros¬sing (L) is given by

L = (CL+SL)/2

SL = L + CL

L =CL-SL

CL = L – SL

TRUE ANSWER : ?
YOUR ANSWER : ?

60 R rails are mostly used in

Metre Gauge

Broad Gauge

Narrow Gauge

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

The reception signal is i) outer signal ii) home signal iii) starter iv) advanced starter The correct answer is

(iii) and (iv)

(i)and(iv)

(i) and (ii)

(ii) and (iii)

TRUE ANSWER : ?
YOUR ANSWER : ?

The limiting value of cant gradient for all gauges is

1 in 720

1 in 1200

1 in 360

1 in 1000

TRUE ANSWER : ?
YOUR ANSWER : ?

Flat mild steel bearing plates are used

For points and crossings in the lead portion

On all the above

On all joints and curves

With wooden sleepers at locations where creep is likely to be developed

TRUE ANSWER : ?
YOUR ANSWER : ?

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