In the Marshall method of mix design, the coarse aggregates, fine aggregates, filler and bitumen, having respective specific gravities of 2.62, 2.72, 2.70 and 1.02, are mixed in the ratio of 55,34.6,4.8 and 5.6 percent, respectively. The theoretical specific gravity of the mix would be

1. 2.36

2. 2.40

3. 2.44

4. 2.50

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Correct Answer :

2.44

Explanation :
No Explanation available for this question

The plate load test conducted with a 75 cm diameter plate on soil subgrade yielded a deflection of 2.5 mm under a stress of 800 N/cm2. The modulus of elasticity of the subgrade soil, in kN/cm2, is

1. 141.6

2. 154.6

3. 160.0

4. 185.4

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Correct Answer :

141.6

Explanation :
No Explanation available for this question

Column I below gives a list of physical properties of aggregates which should be determined to judge their suitability in road construction.Column II gives a list of laboratory tests which are conducted to determine these properties. Column-I Column-II P.Hardness 1) water adsorption Q.Porosity 2) Impact test R.Toughness 3).Soundness test S.Durability 4).Abrasion test P Q R S

1. 1 2 3 4

2. 4 1 2 3

3. 3 4 1 2

4. 2 3 4 1

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Correct Answer :

4 1 2 3

Explanation :
No Explanation available for this question

During the passage of the loads, the maximum and the minimum reactions at support R, in kN, are respectively

1. 300 and -30

2. 300 and -25

3. 225 and -30

4. 225 and -25

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Correct Answer :

300 and -30

Explanation :
No Explanation available for this question

At what distance from this section the flow depth will be 0.9 m (Use the direct step method employing a single step)

1. 65 m downstream

2. 50 m downstream

3. 50 m downstream

4. 65 m downstream

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Correct Answer :

50 m downstream

Explanation :
No Explanation available for this question

The equation sin (z) = 10 has

1. no real or complex solution

2. exactly two distinct complex solutions

3. a unique solution

4. an infinite number of complex solutions

View Answer

Correct Answer :

no real or complex solution

Explanation :
No Explanation available for this question

Noise pollution is measured in

1. Decibels

2. Amperes

3. Fathoms

4. Ohm

View Answer

Correct Answer :

Decibels

Explanation :
No Explanation available for this question

A metallic tape is made up of

1. Steel

2. Invar

3. Linen

4. Cloth and wires

View Answer

Correct Answer :

Cloth and wires

Explanation :
No Explanation available for this question

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