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MCQs

Total Questions : 250 | Page 25 of 25 pages
Question 241.

Shear stress develops on a fluid element, if :



  1.    the fluid is at least
  2.    the fluid-container is subject to uniform linear acceleration
  3.    the fluid is inviscid
  4.    the fluid is viscous and the flow is nonuniform
 Discuss Question
Answer: Option D. -> the fluid is viscous and the flow is nonuniform


Question 242.


The span to depth ratio limit is specified in IS : 456-1978 for the reinforced concrete beams, in order to ensure that the



  1.    tensile crack width is below a limit
  2.    shear failure is avoided
  3.    stress in the tension reinforcement is less than the allowable value
  4.    deflection of the beam is below a limiting value
 Discuss Question
Answer: Option D. -> deflection of the beam is below a limiting value


Question 243.


Is 459-1978 recommends to provide certain minimum steel in a RCC beam



  1.    to ensure compression failure
  2.    to avoid rupture of steel in case a flexural failure occurs
  3.    to hold the stirrup steel in position
  4.    to provide enough ductility to the beam
 Discuss Question
Answer: Option B. -> to avoid rupture of steel in case a flexural failure occurs


Question 244.


Some of the
structural strength of a clayey material that is lost by remoulding is
slowly recovered with time. This property of soils to undergo an
isothermal gel-to-soil-to-gel transformation upon agitation and
subsequent rest is termed :



  1.    Isotropy
  2.    Anisotropy
  3.    Thixotropy
  4.    Allotropy
 Discuss Question
Answer: Option C. -> Thixotropy


Question 245.


The
capacities of "One-way 1.5 m wide sidewalk (persons per hour)" and
"One-way 2-lane urban road (PCU per hour, with no frontage access, no
standing vehicles and very little cross traffic)" are respectively.




  1.    1200 and 2400
  2.    1800 and 2000
  3.    1200 and 1500
  4.    2000 and 1200
 Discuss Question
Answer: Option A. -> 1200 and 2400


Question 246.

In a steady radial flow into an intake, the velocity is found to vary as (1/r2), where r is the radial distance. The acceleration of the flow is proportional to



  1.    1/r5
  2.    1/r3
  3.    1/r4
  4.    1/r
 Discuss Question
Answer: Option A. -> 1/r5


Question 247.

The treatment that should be given to the water from a deep tube well is :



  1.    pre-settling only
  2.    coagulation and flocculation only
  3.    filtration only
  4.    disinfection only
 Discuss Question
Answer: Option D. -> disinfection only


Question 248.


On sag (or valley) curves the available sight distance is determined based on :



  1.    design speed
  2.    height of obstacle
  3.    height of driver eye
  4.    night-time driving conditions
 Discuss Question
Answer: Option C. -> height of driver eye


Question 249.

The number of simultaneous equations to be solved in the slope deflection method, is equal to :



  1.    the degree of statical indeterminacy
  2.    the degree of kinematic indeterminacy
  3.    the number of joints in the structure
  4.    none of the above
 Discuss Question
Answer: Option C. -> the number of joints in the structure


Question 250.

Maximum size of a fillet weld for a plate of square edge is


  1.    1.5 mm less than the thickness of the plate
  2.    one half of the thickness of the plate
  3.    thickness of the plate itself
  4.    1.5 mm more than the thickness of the plate
 Discuss Question
Answer: Option A. -> 1.5 mm less than the thickness of the plate


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