MCQs

Civil Engineering MCQs with Explanations

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2531Civil EngineeringMedium

The resultant of two forces P and Q is R. If Q is doubled, the new resultant is perpendicular to P. Then________?

AQ = R

BP = R

CP = Q

DNone of the above is correct

Correct answer

A. Q = R

Explanation

The correct answer is Q = R.

2532Civil EngineeringMedium

The minimum diameter of turning besin, where ships turn by going ahead and without tug assistance should be________?

A4.0 L

C1.5 L

D2.0 L

Correct answer

A. 4.0 L

Explanation

The correct answer is 4.0 L.

2533Civil EngineeringMedium

The quantity of liquid waste which flows in sewers during the period of rainfall, is known________?

AIndustrial waste

BSanitary sewage

CStorm sewage

DNone of these

Correct answer

C. Storm sewage

Explanation

The correct answer is Storm sewage.

2534Civil EngineeringMedium

A shell of mass 100 kg travelling with a velocity of 10 m/sec breaks into two equal pieces during an explosion which provides an extra kinetic energy of 20000 Joules. If the pieces continue to move in the same direction as before, then the speed of the faster one must be________?

A40 m/sec

B20 m/sec

C30 m/sec

D50 m/sec

Correct answer

C. 30 m/sec

Explanation

The correct answer is 30 m/sec.

2535Civil EngineeringMedium

A heavy string attached at two ends at same horizontal level and when central dip is very small approaches the following curve________?

Aparabola

Bcatenary

Ccircular arc

Delliptical

Ehyperbola

Correct answer

A. parabola

Explanation

The correct answer is parabola.

2536Civil EngineeringMedium

The specific weight of water is 1000 kg/m” ________?

Anone of the above.

Bat 4°C temperature

Call the above

Dat mean sea level

Eat norma] pressure of 760 mm

Correct answer

C. all the above

Explanation

The correct answer is all the above.

2537Civil EngineeringMedium

Dimensions of a beam need be changed if the shear stress is more than________?

A15 kg/cm2

B25 kg/cm2

C20 kg/cm2

D10 kg/cm2

Correct answer

C. 20 kg/cm2

Explanation

The correct answer is 20 kg/cm2.

2538Civil EngineeringMedium

The formation width for a double line Broad Gauge track in cutting (excluding drains) as adopted on Indian Railways is________?

A10.21m

B8.84 m

C6.10 m

D10.82 m

Correct answer

A. 10.21m

Explanation

The correct answer is 10.21m.

2539Civil EngineeringMedium

The minimum cover in a slab should neither be less than the diameter of bar nor less than________?

A25 mm

B15 mm

C10 mm

D13 mm

Correct answer

B. 15 mm

Explanation

The correct answer is 15 mm.

2540Civil EngineeringMedium

Specific weight of water in S.I. units is equal to________?

A1000 N/m3

B10000 N/m3

C9.81 xlO6N/m3

D9.81 N/m3

E9.81 xlO3 N/m3

Correct answer

E. 9.81 xlO3 N/m3

Explanation

The correct answer is 9.81 xlO3 N/m3.

2531Civil EngineeringMedium

The resultant of two forces P and Q is R. If Q is doubled, the new resultant is perpendicular to P. Then________?

AQ = R

BP = R

CP = Q

DNone of the above is correct

Correct answer

A. Q = R

Explanation

The correct answer is Q = R.

2532Civil EngineeringMedium

The minimum diameter of turning besin, where ships turn by going ahead and without tug assistance should be________?

A4.0 L

C1.5 L

D2.0 L

Correct answer

A. 4.0 L

Explanation

The correct answer is 4.0 L.

2533Civil EngineeringMedium

The quantity of liquid waste which flows in sewers during the period of rainfall, is known________?

AIndustrial waste

BSanitary sewage

CStorm sewage

DNone of these

Correct answer

C. Storm sewage

Explanation

The correct answer is Storm sewage.

2534Civil EngineeringMedium

A shell of mass 100 kg travelling with a velocity of 10 m/sec breaks into two equal pieces during an explosion which provides an extra kinetic energy of 20000 Joules. If the pieces continue to move in the same direction as before, then the speed of the faster one must be________?

A40 m/sec

B20 m/sec

C30 m/sec

D50 m/sec

Correct answer

C. 30 m/sec

Explanation

The correct answer is 30 m/sec.

2535Civil EngineeringMedium

A heavy string attached at two ends at same horizontal level and when central dip is very small approaches the following curve________?

Aparabola

Bcatenary

Ccircular arc

Delliptical

Ehyperbola

Correct answer

A. parabola

Explanation

The correct answer is parabola.

2536Civil EngineeringMedium

The specific weight of water is 1000 kg/m” ________?

Anone of the above.

Bat 4°C temperature

Call the above

Dat mean sea level

Eat norma] pressure of 760 mm

Correct answer

C. all the above

Explanation

The correct answer is all the above.

2537Civil EngineeringMedium

Dimensions of a beam need be changed if the shear stress is more than________?

A15 kg/cm2

B25 kg/cm2

C20 kg/cm2

D10 kg/cm2

Correct answer

C. 20 kg/cm2

Explanation

The correct answer is 20 kg/cm2.

2538Civil EngineeringMedium

The formation width for a double line Broad Gauge track in cutting (excluding drains) as adopted on Indian Railways is________?

A10.21m

B8.84 m

C6.10 m

D10.82 m

Correct answer

A. 10.21m

Explanation

The correct answer is 10.21m.

2539Civil EngineeringMedium

The minimum cover in a slab should neither be less than the diameter of bar nor less than________?

A25 mm

B15 mm

C10 mm

D13 mm

Correct answer

B. 15 mm

Explanation

The correct answer is 15 mm.

2540Civil EngineeringMedium

Specific weight of water in S.I. units is equal to________?

A1000 N/m3

B10000 N/m3

C9.81 xlO6N/m3

D9.81 N/m3

E9.81 xlO3 N/m3

Correct answer

E. 9.81 xlO3 N/m3

Explanation

The correct answer is 9.81 xlO3 N/m3.