Basic Civil Engineering Quiz | Practice Test #mcq.CETJOB - Multiple choice questions and Objectives

# Basic Civil Engineering Quiz | Practice Test #mcq.CETJOB

### Multiple Choice Questions on Civil Engineering | Objective Questions | Civil Engineering Quiz | MCQ

1 >>Pick up the correct statement from the following: ?
• (A) CPM analysis is activity oriented
• (B) PERT analysis is event oriented
• (C) In CPM, the time is related to cost
• (D) All the above
2 >>A pitot tube is used to measure ?
• (A) pressure
• (B) difference in pressure
• (C) velocity of flow
• (D) none of these

#### 3 >>The thickness of a sharp crested weir is kept less than ?

• (A) Onethird of the height of water on the sill
• (B) onehalf of the height of water on the sill
• (C) onefourth of the height of water on the sill
• (D) twothird of the height of water on the sill
4 >>The maximum vacuum created at the summit of a syphon is ?
• (A) 2.7 m of water
• (B) 7.4 m of water
• (C) 5.5 m of water
• (D) none.

5 >>If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.1 kg/cm2, the pressure at a depth of 2.5 m, is ?
• (A) 1 metre of water
• (B) 2 metres of water
• (C) 3 metres of water
• (D) 3.5 metres of water
6 >>The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at its centroid, if ?
• (A) area is horizontal
• (B) area is vertical
• (C) area is inclined
• (D) all the above
7 >>Most economical section of a circular channel for maximum discharge ?
• (A) depth of water = 0.95 diameter of circular section
• (B) hydraulic mean depth = 0.286 diameter of circular section
• (C) wetted perimeter = 2.6 diameter of circular section
• (D) all the above
8 >>Unit of kinematic viscosity is ?
• (A) m2/sec
• (B) Newton sec/m2
• (C) Newton sec/m3
• (D) Kg sec/m2
9 >>The ratio of maximum velocity to average velocity of viscous fluid through a circular pipe is ?
• (A) 0.5
• (B) 0.75
• (C) 1.25
• (D) 2

10 >>The shear stress distribution in viscous fluid through a circular pipe is : ?
• (A) maximum at the centre
• (B) maximum at the inside of surface
• (C) same throughout the section
• (D) none of these
11 >>The side slope of Cipolletti weir is generally kept ?
• (A) 1 to 4
• (B) 1 to 3
• (C) 1 to 2
• (D) 0
12 >>The momentum correction factor (?) for the viscous flow through a circular pipe is ?
• (A) 1.25
• (B) 1.33
• (C) 1.5
• (D) 1.66

13 >>A piezometer opening in pipes measures ?
• (B) static pressure
• (C) total pressure
• (D) negative static pressure
14 >>An independent mass of a fluid does not posses ?
• (A) elevation energy
• (B) kinetic energy
• (C) pressure energy
• (D) none of these
15 >>A short tube mouthpiece will not run full at its outlet if the head under which the orifice works, is ?
• (A) less than 12.2 m of the water
• (B) more than 12.2 m of the water
• (C) equal of 12.2 m of water
• (D) none of these.
16 >>Hydrostatic pressure on a dam depends upon its ?
• (A) length
• (B) depth
• (C) shape
• (D) both (b) and (c)
17 >>A pipe of 0.1 m2 cross sectional area suddenly enlarges to 0.3 m2 crosssectional area. If the discharge of the pipe is 0.3 m3 /sec, the head loss is ?
• (A) 2/g m of water
• (B) g/2 m of water
• (C) 1g m of water
• (D) g m of water
18 >>Maximum efficiency of transmission of power through a pipe, is ?
• (A) 0.25
• (B) 0.333
• (C) 0.5
• (D) 0.6667
19 >>An ideal flow of a liquid obeys ?
• (A) Continuity equation
• (B) Newton's law of viscosity
• (C) Newton's second law of motion
• (D) dynamic viscosity law,
20 >>Reynold number is the ratio of initial force and ?
• (A) viscosity
• (B) elasticity
• (C) gravitational force
• (D) surface tension

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