# 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

4

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

4

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

4

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

4

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

4

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

4

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

4

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

4