13/02/2021
लोक सेवा आयोग (राजपत्र अनङ्कित प्रथम श्रेणी) – २०७७/१०/२४ (part-1 of 3)
1. One litre of water occupies:
a) 100 cm3 b) 500 cm3 c) 250cm3 d) 1000cm3
2. Terzaghi's theory of one dimensional consolidation assumes:
a) Soil is homogeneous and fully saturated
b) Water and soil particles are incompressible
c) Deformation of the soil is entirely due to change in volume
d) All of the above
3. Rankine's earth pressure theory assumes that back of the wall is:
a) Plane and smooth b) vertical and smooth c) plane and rough d) vertical and rough
4. A foundation is called shallow, if its depth is:
a) Equal to its width b) two times its width c) 1/6 of its width d) 1/2 of its width
5. The angle of internal friction Ø for cohesive soils is equal to
a) Zero b) 30° c)45° d) 15°
6. The effective span of a simply supported slab is :
a) Clear span plus effective depth of slab b) span between outer faces of two walls
c)Distance between the center of bearing d) none of the above
7. If slenderness ratio for a column is 100 then the column is said to be
a) Long b) medium c) Short d) none of the above
8. The property of concrete in which water tends to rise to the surface while placing and compacting is called:
a) Segregation b) bleeding c) bulking d) creep
9. The diameter of bars for main reinforcement in slabs,may vary from
a) 2 to 4mm b) 4 to 8mm c) 8 to 14mm d) 14 to 18mm
10. The minimum depth of foundation for clayey soil is
a) 0.5m b) 0.7m c) 0.9m d) 1.2m
11. The initial setting time for ordinary Portland cement as per Nepal Standard should not be less than:
a) 10 minutes b) 30 minutes c) 60 minutes d) 600 minutes
12. The joints provided in wooden floor are:
a) Tongue and groove b) butt c) dove tail d) tee joint
13. The vertical faces of a door opening which supports frame of the door are:
a) Jambs b) posts c) reveals d) styles
14. The self cleaning velocity, in order to prevent settling down of sewage at the buttom in large sewer is
a) 0.25m/s b) 0.50m/s c) 0.75m/s d) 1.5m/s
15. The length of septic tank is determined by:
a) Self cleaning velocity
b) Width of tank
c) Depth of tank
d) All of the above