10 Technical & 5 Non Tech

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For a sand deposit, the void ratio was determined at the loosest, densest, and natural states as 0.7, 0.3, and 0.5 respectively. The relative density of the sand deposit is: [COAL India : 2020]

1 point

25%

75%

60%

50%

Clear selection

The standard penetration test (SPT) conducted on fine sand below the water tablegave the average blow count as 33. What is the corrected SPT value? [COAL India : 2020]

1 point

21.5

26.5

Clear selection

In which of the following, kerosene oil is used for its preparation ?

1 point

Slow curing cutback

Rapid curing cutback

Emulsion

Medium curing cutback

Clear selection

In the design of purlins, depth of angle section should not be less than:

1 point

No relationship

L/ 60

L/ 50

L/ 45

Clear selection

In a CBR test, If the CBR value at 5 mm is greater than that at 2.5 mm:

1 point

The higher value should be chosen

Average value of the two should be used

None of these

The test should be repeated

Clear selection

If levelling staff is held inclined at a staff station, the reduced level calculated from observation would be:

1 point

Equal to R. L. of Bench mark

Less than true R. L.

True R.L.

More than true R. L.

Clear selection

Which IS code is used for classification of timber for seasoning purposes ? [ESE : 2014, JPPSC : 2019]

1 point

IS : 1141-1958

IS : 1708-1969

IS : 399-1963

IS : 4970-1973

Clear selection

In which pollution zone of the river, the dissolved oxygen reduced to zero ?

1 point

Zone of degradation

Zone of active decomposition

Zone of recovery

Zone of clean water

Clear selection

The optimistic, most likely and pessimistic estimates of time for an activity are 4 days, 11 days and 12 days respectively. The expected completion time of this activity is

1 point

9 days

10 days

11 days

5 days

Clear selection

A welded steel plate girder consisting of two flange plates of 350 mm x 16 mm and web plate of 1000 mm x 6 mm requires

1 point

vertical stiffeners

no stiffeners

immediate vertical stiffeners

vertical and horizontal stiffeners

Clear selection

In a high flying aeroplane, the ink of the fountain pen leaks out because:

1 point

Atmospheric temperature reduces

Atmospheric temperature increases

Atmospheric pressure reduces

Atmospheric pressure increases

Clear selection

The capital of world youngest nation South Sudan is:

1 point

Malakal

Rumbek

Juba

Wau

Clear selection

In a code ‘Mumbai’ is written as ‘Sostpk’ and ‘Chennai’ is written as ‘dcfmmpk’, then “bench” will be written as:

1 point

t m f d c

t f m d c

m f m d c

t f d m c

Clear selection

How many triangles are there in the following figure?

1 point

Clear selection

A hall 50 m long and 45 m broad is to be paved with square tiles. Find the largest tile as well as its number in the given options so that the tiles exactly fit in the hall?

1 point

36 sq m and 90 tiles

36 sq m and 80 tiles

16 sq m and 80 tiles

25 sq m and 90 tiles

Clear selection

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