Top Most Interview Quesitons:
- What is the slope of staircase? (25 to 40 deg)
- What is full form of 1 BHK? (1 bedroom, 1 Hall, 1 Kitchen)
- What is volume of one cement bag (50kg)? (0.0347 cu-m)
- What is least count of theodolite and compass? (Theodolite: 20 second, Compass: 30 second)
- What is the name of the machine which is used for compression test? (Universal testing machine)
- Standard sand now used in Afghanistan is obtained from? (.)
- Expiry date of cement? ( 3 months)
- Size of hook and angle? (Hook = 10 x d, Angle = 135 deg)
- Why is foundation provided, and what are type of foundation? (to safely distribute the load of structure in the soil, Shallow & deep foundation)
- Calculation weight of steel bar? (D^2xL)/162) D= dia. of steel bars, L = lenght of steel bar)
- Minimum grade of concrete used for R.C.C.? (M20)
- Shuttering removing time? (for side wall, column and outer side of beam= 24-48 hrs, slab= 3 days, removal of props of slab = 21 days when span>6m, =14 days when span<6m)
- What are the concrete tests? (Slump test, compressive strength test, water permeability test, water absorption test)
- What is the unit weight of steel? (78.5 KN/m3)
- What is the unit weight of concrete? (PCC: 24KN/m3, RCC: 25KN/m3)
- What is the compressive strength of brick? (first class brick: 105 Kg/cm2, second class brick: 70 Kg/cm2, fire brick: 125 Kg/cm2)
- What is the initial and final setting time of cement? (Initial setting time =30 min, final setting time 90 min)
- Curing method for concrete? (Spraying, wet covering of surface, ponding, curing chemicals, steam curing, sprink curing)
- what is bleeding? (Bleeding is form of segregation in which water comes out the surface of concrete)
- Cantilever beam where is tension and compression zone? (Top zone is tension, bottom zone is compression)
- Function of stirrups in beam? (Resist shear force)
- Why we need pile foundation? (it's adopted when the soil bearing capacity is less the 24 KN/m3)
- What is the standard height of each floor? ( 3m )
- What is guniting? (It is a process in which mixture of cement & sand in proportion of 1:3 is shooted on concrete surface with the help of cement gun under pressure of 2 to 3 kg/cm2) For more info. about Engineering questions click here.
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