General science quiz vyapam

1.Electromagnets are made of soft iron because soft iron has--High
Susceptibility and Low Retentivity

2.Gout is caused due to accumulation of--Uric acid

3.What is absolute zero on the Celsius scale  :      -273 (note the minus sign)

4.The process of pollination is helped most by which of the following biotic
components?-- insects

5. The number of electrons emitted by a surface exposed to light Is directly
proportional to the:-- intensity of incident light

6.  If the cylinder in which gas is stored in vacuum were to suddenly burst,
then the temperature of gas shall:-- Remain constant

7.If the ratio of amplitude of wave is 2:1, then the ratio of maximum and
minimum intensity shall be--9:1

8. Which of the following is said to be “Stable”?--Neutron

9. Which of the following is NOT a part of the brain ?--Pinna

10.Chloropicrin is used as:--Tear gas

11.Which of the following is NOT a type of screen of Television--VHS

12.Largest ecosystem of the World is: /Oceans

13.Metals are good conductors of electricity because they contain--Free
Electrons


14. White Revolution could not have been possible without the revolutionary
contribution made by which of the following personalities? Louis pasteur

15.Who is the Minister of State (Independent) for New & Renewable Energy,
Government of India? /--Piyush goyal

16. Which among the following is not a flightless bird?--Sooty
Tern

17.Ozone Layer is present in which of the following spheres--Stratosphere

18.Maximum amount of Fresh Water is used in: /Agriculture

19. The minimum acceleration with which a fireman can slide down a rope of
breaking strength 2/3rd of his weight shall be: g/3

20.The unit of pole strength is--amp– metre

21.Which among the following is an evidence to show that there must be a
force acting on Earth and directed towards the Sun--Revolution
of the Earth around the Sun

22.Phenol gives characteristic colouration with--Aqueous ferric chloride solution

23.Glucose on reaction with Br2 water gives--Gluconic acid

24. Haemoglobin of the human blood forms a stable complex compound. With
which of the following gas given below does it lead to human death-Carbon monoxide

25.Which of the following reacts with Glass--Hydroflouric acid

26.The difference between Systolic and Diastolic Pressure is--Pulse pressure

27.Age of a tree can be estimated by-no of annular rings

28.The temperature at and above which a ferromagnetic material becomes
paramagnetic is called:/;;Currie temperature

29.Following are breeds of cows, except: Nagpuri

30.Cod liver oil is: Emulsion

31.Amrita is sitting in an open jeep which is moving at a constant velocity and
throws a ball vertically into the air above, the ball shall fall;;Exactly
back in her hands

32. The number of lenses in a terrestrial telescope are:: 3 lenses

33.The main function of the switch is to: coplete or break a circuit

34.The colour that appears on the thin film of soap and soap bubble is due to
a phenomena known as:Interference

35.The Acetic Acid contained in Vinegar is:7 -8%

36. The Organism that carries a disease from an Organism to another is known
as: Vector

37.In a food chain, Lion is a: Tertiary consumer

38.Who is the present Minister of Environment, Forests and Climate Change,
Government of India?    Mr.Prakash Javadekar

39.In which of the following animals, diaphragm has no role to play during
the process of respiration:Frog

40.

Hindi vyakaran grammer quiz

IAS Preparation Guide index

1.Prelims
   
Paper 1-GENERAL STUDIES
Paper2 -CSAT (Quilyfying nature)

2.Mains

Paper 1
Paper 2
Paper 3
Paper 4
Paper 5
Paper 6
Paper 7

Interview

Fluid mechanics FM

1.51. Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is
a) slightly less
b) slightly more
c) nearly half
d) equal
Ans: a

52. The major loss of energy in long pipes is due to
a) sudden enlargement
b) sudden contraction
c) gradual contraction or enlargement
d) friction
Ans: d

53. Coefficient of contraction for an external cylindrical mouthpiece is
a) 1.00
b) 0.855
c) 0.7H
d) 0.611
Ans: a

54. Which of the following has highest coefficient of discharge ?
a) sharp edged orifice
b) venturimeter
c) Borda’s mouthpiece running full
d) CipoUetti weir
Ans: b

55. In a Sutro weir, the discharge is proportional to
a) H1/2
b) H3/2
c) H5/2
d) H
where H is head.
Ans: d

56.56. The discharge over a broad crested weir is maximum when the depth of flow is
a) H/3
b) H/2
c) 2 H/5
d) 2 H/3
where H is the available head.

Ans: d

57. Which of the following statements is correct?
a) Lower critical Reynolds number is of no practical significance in pipe flow problems.
b) Upper critical Reynolds number is significant in pipe flow problems.
c) Lower critical Reynolds number has the value 2000 in pipe flow
d) Upper critical Reynolds number is the number at which turbulent flow changes to laminar flow.
Ans: a

58. For a sphere of radius 15 cm moving with a uniform velocity of 2 m/sec through a liquid of specific gravity 0.9 and dynamic viscosity 0.8 poise, the Reynolds number will be
a) 300
b) 337.5
c) 600
d) 675
Ans: d

59. The shear stress distribution for a fluid flowing in between the parallel plates, both at rest, is
a) constant over the cross section
b) parabolic distribution across the section
c) zero at the mid plane and varies linearly with distance from mid plane
d) zero at plates and increases linearly to midpoint
Ans: c

60. If x is the distance from leading edge, then the boundary layer thickness in laminar flow varies as
a) x
b) x
c) x
d) x/7
Ans: a

61. Stanton diagram is a
a) log-log plot of friction factor against Reynolds number
b) log-log plot of relative roughness against Reynolds number
c) semi-log plot of friction factor against Reynolds number
d) semi-log plot of friction factor against relative roughness
Ans: a
\

62. The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be
a) 0.423 D
b) 0.577 D
c) 0.223 D
d) 0.707 D
where D is the depth of flow.
Ans: b


63. The boundary layer thickness in turbulent flow varies as
a) x”7
b) x,/2
c) x4/5
d) x3/5
where x is the distance from leading edge.
Ans: c


64. The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is
a) 0.223 R
b) 0.423 R
c) 0.577 R
d) 0.707 R
where R is radius of pipe.
Ans: a


65. If a sphere of diameter 1 cm falls in castor oil of kinematic viscosity 10 stokes, with a terminal velocity of 1.5 cm/sec, the coefficient of drag on the sphere is
a) less than 1
b) between 1 and 100
c) 160
d) 200
Ans: c


66. In case of an airfoil, the separation of flow occurs
a) at the extreme rear of body
b) at the extreme front of body
c) midway between rear and front of body
d) any where between rear and front of body depending upon Reynolds number
Ans: a



67. When an ideal fluid flows past a sphere,
a) highest intensity of pressure occurs around the circumference at right angles to flow
b) lowest pressure intensity occurs at front stagnation point
c) lowest pressure intensity occurs at rear stagnation point
d) total drag is zero
Ans: d



68. With the same cross-sectional area and immersed in same turbulent flow, the largest total drag will be on
a) a circular disc of plate held normal to flow
b) a sphere
c) a cylinder
d) a streamlined body
Ans: a



69. In which of the following the friction drag is generally larger than pressure drag?
a) a circular disc or plate held normal to flow
b) a sphere
c) a cylinder
d) an airfoil
Ans: d



70. For hydro-dynamically smooth boundary, the friction coefficient for turbulent flow is
a) constant
b) dependent only on Reynolds number
c) a function of Reynolds number and relative roughness
d) dependent on relative roughness only
Ans: b




71. The value of friction factor ‘f’ for smooth pipes for Reynolds number 106 is approximately equal to
a) 0.1
b) 0.01
c) 0.001
d) 0.0001
Ans: b


72. For laminar flow in a pipe of circular cross-section, the Darcy’s friction factor f is
a) directly proportional to Reynolds number and independent of pipe wall roughness
b) directly proportional to pipe wall roughness and independent of Reynolds number
c) inversely proportional to Reynolds number and indpendent of pipe wall roughness
d) inversely proportional to Reynolds number and directly proportional to pipe wall roughness(ir)
Ans: c


73. Separation of flow occurs when
a) the pressure intensity reaches a minimum
b) the cross-section of a channel is reduced
c) the boundary layer comes to rest
d) all of the above
Ans: c


74. The ratio of average velocity to maximum velocity for steady laminar flow in circular pipes is
a) 1/2
b) 2/3
c) 3/2
d) 2
Ans: a


75. The distance from pipe boundary, at which the turbulent shear stress is one-third die wall shear stress, is
a) 1/3 R
b) 1/2 R
c) 2/3 R
d) 3/4R
where R is the radius of pipe.
Ans: a

76. The discharge of a liquid of kinematic viscosity 4 cm2/sec through a 8 cm dia-meter pipe is 3200n cm7sec. The type of flow expected is
a) laminar flow
b) transition flow
c) turbulent flow
d) not predictable from the given data
Ans: a


77. The Prantdtl mixing length is
a) zero at the pipe wall
b) maximum at the pipe wall
c) independent of shear stress
d) none of the above
Ans: a


78. The velocity distribution for laminar flow through a circular tube
a) is constant over the cross-section
b) varies linearly from zero at walls to maximum at centre
c) varies parabolically with maximum at the centre(pm)
d) none of the above
Ans: c


79. A fluid of kinematic viscosity 0.4 cm2/sec flows through a 8 cm diameter pipe. The maximum velocity for laminar flow will be
a) less than 1 m/sec
b) 1 m/sec
c) 1.5 m/sec
d) 2 m/sec
Ans: b


80. The losses are more in
a) laminar flow
b) transition flow
c) turbulent flow
d) critical flow
Ans: c




81. The wake
a) always occurs before a separation point
b) always occurs after a separation point
c) is a region of high pressure intensity
d) none of the above
Ans: b


82. The maximum thickness of boundary layer in a pipe of radius r is
a) 0
b) r/2
c) r
d) 2r
Ans: c


83. The hydraulic grade line is
a) always above the centre line of pipe
b) never above the energy grade line
c) always sloping downward in the direction of flow
d) all of the above
Ans: b


84. Two pipe systems are said to be equivalent when
a) head loss and discharge (hd)are same in two systems
b) length of pipe and discharge are same in two systems
c) friction factor and length are same in two systems
d) length and diameter are same in two systems
Ans: a


85. In series-pipe problems
a) the head loss is same through each pipe
b) the discharge is same through each pipe
c) a trial solution is not necessary
d) the discharge through each pipe is added to obtain total discharge
Ans: b

sites of civil quiz

http://engineeringinterviewquestions.com/the-point-in-the-immersed-body-through-which-the-resultant-pressure-of-the-liquid-may-be-taken-to-act-is-known-as/


http://www.geekmcq.com/engineering-mcqs/civil-engineering/



https://www.indiabix.com/civil-engineering/hydraulics/076002


http://civilengineeringmcq.com/2017/01/ssc-je-objective-5-years-previous-year-question-paper-pdf/

civil engineering quiz mcqs's vyapam mppsc ses ies gate ssc and other exams

1.Economical height of a dam” is that height, for which the--cost
per unit of storage is minimum

2.The percentage of the total sediment flow depositing in the reservoir, is
called as--trap efficiency

3.What is the unit of intrinsic permeability?--cm2

4.how much is the average delta of rice crop?--120cm

5.A contour canal is
.-irrigates only on one side
-is most suitable in hilly areas
-is generally aligned parallel to the contour of the area

6.Humidity is measured by:- hygrometer

7.What is the Uniformity coefficient of filter sand?--D60/D10

8. At what efficiency does a single speed centrifugal pump, feeding a small
water supply distribution system of a block of houses, work at? /
-----Reduced efficiency

9.From the following options, which type of valve is provided on the suction
pipe in a tube well?----Reflux valve

10. What causes the corrosion in concrete sewers?---Septic condition

11.What is the appropriate percentage of water in sewage?--99.9%

12.If the pH value of sewage is 7, it is a---neutral

13. The pressure of free ammonia in sewage is detected by---boiling

14. how are the Bacteria in sewage?--Seprophytic

15.Killing of tissue from air pollutant is called--necrosis

16.The traffic volume is equal to--traffic density x traffic speed

17.The sag correction in surveys is always--negative

18.What is open cross staff used for setting out?--long offsets

19.The optical square is based on the principle of optical--double reflection

20.What is the approximate value of M 10 grade of concrete?---  1: 3 : 6 mix

21.Which source of water among the following is not a surface source?--lakes

22.From the options given below, in which situations, the viscous force is
unimportant---capillary waves in channels

23.When a ship moving on seawater enters a river and moves inland, it is
expected to--Sink a little

24.The point in the immersed body through which the resultant pressure of
the liquid may be taken to act is known as-- Centre of pressure

24.Surface tension of water---increases with decrease in temperature

25.How does the negative skin friction on a pile under vertical compressive
load act? Decreses and reduces load carrying capacity

25.From the following options which is the correct increasing order of specific
surface i.e., surface area per mass of the given soils.

----sand ,silt ,collids ,clay

26. A column has effective length L, when both ends are fixed. What will be
the new effective length if one end become hinged?--1.41 L

27.