civil engineering free objective test

civil engineering free objective test
Free Online Civil Engineering Objective Questions
Practice Objective and Practice Questions for Civil Engineering

 1.  Consider the following statements :
Torsional restraint in a beam can be achieved by providing.
1. Web or Range cleats at the end connections
2. External support  to the end of the compression Range
3, Bearing stiffness acting in conjunction with the bearing of the beam
Which of the above statements are correct?
(a)  1 only                  
(b)   1 and 2 only
(c) 2 and    3 only       
(d)   I, 2 and 3

Ans :  d
2. Considering  modular  ratio  as  13,  grade  of concrete as M20 and  grade  of  steel as 415,
what is the ratio of balanced depth of neutral axis' as per  working  stress  method  to  the
balanced depth of  neutral  axis  as  per limitstate method?
(a)  12/7
(b)   11/3
(c) 7/12
(d)   I3/11

Ans :  c
3. What  is  the  anchorage  value  a  standard hook of a reinforcement bar of diameter D?
(a) 4D
 (b) 8D
(c) I2D
(d)   I6D

Ans :  d

4. How is the. base-level  bending moment of a cantileverretaining  wall  expressed  as  a
function of  its height H?
(a) H1
(b) H2               
(c) H3
(d) H4  

Ans :  c

5. What  is  the  adopted  maximum  spacing between vertical stirrups in an RCC beam of
rectangular corns-section having an effective depth of 300 mm?
(a)300 mm               
(b) 275 mm
(c) 250 mm              
(d)  225 mm

Ans :  d
 6.  A  power  shovel  is  fitted  with an  engine  of 150  f.w.h.p .  It  operates  on  full  load  for
6 minutes followed by 8 minutes for idling at one-third power.  Its~hourly  utilization  is  for
3 cycles What is its utilization factor?
 (a)  0.398                    
 (b)  0.433
(c)   0.467                     
(d)  0.528

Ans :  b

7.A construction equipment has a  useful life of  4      years after which it is to be replaced by a
new one. If the interest rate is 6%, what is the nearest value of the sinking fund factor?  
(a)   0.023                     
(b)   0.23
(c)   0.17  
(d)   0.31
Ans :  b

8. Consider the following statements~ :   
1.     There  is  no  large  difference  in  speed between wheeled tractors and crawlers.
 2. The operating cost of crawlers is generally  more than for wheel d tractors.   
 3. Both  wheeled  tractors  as well  as crawlers,  need  to be .mounted  on  trailers. for long distance hauls.
 4.  Wheeled tractors   may occasionally  suffer slips whereas crawlers do not
Which  of  the  above  statements  is/are  NOTcorrect?
(a)1  only                   
b)  1 and 2
(c)   1  and 3                  
(d)   3 and 4

Ans :  d


9  A 1.75 m3 capacity tractor loader has to  forward loaded  speed  of  240  m/min, returning
unloaded speed of 300 m/ min and operates at   80% of the specified speed. It hauls earthmover
a distance of  60  m  with fixed time  per trip    being 25 seconds. What is its effective cycle time?                                      

(a)  54.25  seconds
(b)  55.50  seconds
(c)   56.75  seconds         
(d)  58.75  seconds

Ans :  d

Directoions .'  Each of the next Six (06) items consists of  two  statements,  one  Labeled  as  the  assertion
(A) and  the  other  as  ‘Reason  (R).  You  are  to examine  these  two  statements  carefully and  select
the  answers  to  these  items  using  the  codes  given below :
Codes :
(a)  Both A  and  R are individually  true  and  R  is the correct explanation of A
(b)   Both A and R are individual true but R is not the correct explanation of A
(c)   A is true but R is false                                   
(d)  A is false ,but R is true    


10 Assertion (A) : The rate of hydration is faster in       finer cements,                           
Reason (R) : the surface area of finer cement, is more in case of finer cement.

Ans : a


11.Assertion (A) : Strength of concrete is reduced due, to segregation
Reason  (R)  :  Reducing  the  workability  of concrete mix results in segregation.

Ans :  c

12 Assertion  (A).  : The  lower  the  difference between the minimum strength and the mean strength  of  a  concrete  mix,  the  lower  the cement content to be used.
Reason (R) : The method for controlling the difference between the minimum strength and
the mean strength is quality control.

Ans :  d

13.Assertion (A) : Shearing force may be defined      as the rate of change of loading moment.~
Reason CR) : Shearing force at a section is the algebraic sum of the forces to the  left of the section.

Ans :  b

14.  Assertion (A)  : The provision  of  lateral reinforcement  in  RCC  columns  is  not
mandatory.
Reason (R) : The lateral reinforcement in RCC columns helps in prevention possible bulking    of               longitudinal reinforcement

Ans :  d

15.Assertion   (A)   :   Method   of   moment distribution in classifiable as a force method
Reason (R) : The method consists computing end  moments  due  to  end  rotation  of  the
member.   
Ans :  d
   

Sample objective Questions mining for SAIL ONGC NMDC and other Mining Jobs

 Sample objective Questions mining for SAIL ONGC NMDC and other Mining Jobs
objective type questions and answers in mining
Physical Geology Free Multiple Choice Questions


Q.1: The lines joining points or equal vertical thickness in a bed known as:
a) lsopaches.
b) Isothicks.
c) Contours.
d) Isochores.
Answer:(d)

Q.2: Fine adjustment in Theodolite is done by:
(a) Clamp screw.
(b) Tangent screw.
(c) Focusing screw.
(d) Foot screws.
Answer. (b)

Q.3: lsopaches are:
a) Lines joining points of equal vertical thickness in a bed.
b) Lines joining points of equal true thickness in a bed.
c) Lines joining points of equal elevation.
d) Lines of equal pressure.
Answer:(b)

Q.4:The difference between crushing and grinding:
a) Crushing produces relatively coarse material while grinding produces fine material.
b) ln crushing procedure crusher jaws and rolls do not touch each other, while in grinding
procedure the machine parts come into contact with each other.
c) Crushing operation is commonly intermittent while grinding is generally continuous operation.
d) All the above.
Answer:(d)


Q.5: The function of collectors in ore beneficiation is:
a) As a catalyst.
b) To remove the water.
c) As a flotation regents.
d) To remove the impurities.
Answer:(c)

Q.6: ----- ls the process of agglomerating the fine particles by application of pressure:
a) Briquetting
b) Sintering
c) Pelletizing.
   d) Nodulising.
Answer:(a)

Q.7: The most natural magnetic mineral is:
a) Hematite.
b) Magnetite.
c) Limenite.
d) Franklinite.
Answer:(b)


Q.8: To activate Sphalerite, the activator is:
a) Sulphuric acid.
b) Sodium silicate.
c) Sodium sulphate.
d) Copper sulphate.
Answer:(d)

Q.9: For the depression of silicates and quartz in mineral beneficiation, the depressant……
is used:
a) Sodium silicate.
b) Sulphuric
c) Sodium sulphate.
d) Copper sulphate.
Answer:(a)

Q.10: Classifiers are:
a) Used to mix the materials of different sizes.
b) Used to separate the materials of different sizes
c) Substances, which are mixed during crushing process of the ore.
d) The parts of a grinding machine.
Answer:(b)

   Q.11: The magnetic susceptibility of any mineral depends on:
a) Its crystal structure.
b) Its chemical composition.
c) Its crystal structure and chemical composition.
d) Mode of formation of the mineral.
Answer:(c)

Q.12: Which of the following method is used, when the size range of particles between minus
8 to plus 28 meshes:
a) Gevity separation.
b) Heavy media separation.
c) Tabling.
d) Jigging.
Answer:(d)

Q.13: The use to screen in ore beneficiation is:
a) To measure the grain sizes.
b) To size the crushed and ground material.
c) To separate the gangue minerals from ore.
d) To sort out the magnetic susceptible minerals.
 Answer:(b)

Q.14: The specific gravity of the barites is:
a) 4.8
b) 5.2
c) 5.4
d) 5.8
Answer:(a)


Q.15: “Tabling" method of separation is usually applied when the particle size range between:
a) Minus 10 to plus 100 meshes.
b) Minus 20 to plus 200 meshes.
c) Minus 28 to plus 200 meshes.
d) Minus 42 to plus 300 meshes.
Answer:(c)

Q.16: What is the maximum flotation pH of chalcopyrite?
a) 14.0
b) 13.8
c) 13.2
d) 11.8
Answer:(d)


Q.17 : Which of the following methods of agglomeration involves two basic steps - balling
and firing?
a) Briquetting.
b) Sintering.
c) Pelletizing.
d) Nodulising.
Answer:(c)

Q.18: Polygonal method of reserve estimation is used when:
a) Drill holes are equally spaced.
b) Drill holes occur in rectangular grid.
c) Drill holes are irregularly spaced.
d) Drill holes are considered to form.
 Answer:(c)

Q.19: isochors are lines lolling the points of equal:
a) Thickness of an ore body measured by perpendicular drill holes.
b) Thickness of an ore body measured by inclined drill holes.
c) Thickness of an ore body measured by Vertical drill holes.
d) Depth of an ore body.
Answer:(c)

Q.20: Drift in mining terminology means:
a) The same as tunnel.
b) The same as admit.
c) A horizontal tunnel parallel to the strike of the lode.
d) Opening from the shaft, passing through the country rock and reaches to the ore body
Answer:(c)

Q.21: Cut off grade is:
a) The grade of ore ultimately fed to the beneficiation plant.
b) The grade of ore below which mining is uneconomical.
c) The grade of ore throughout the ore body.
d) Always the same as average grade.
Answer:(b)

Q.22: Salting of an ore is done:
a) By adding common salt.
b) By removing salt from the ore.
c) By mixing substances for increasing the values in the ore samples.
d) By mixing substances for lowering the values in the ore samples.
Answer:(a)

Q.23: Lines joining the points of equal elevation are known as:
a) Contours.
b) Isochrones.   
c) Isopaches.
d) Stratum contours.
Answer:(d)