Junior Works Manager OFB Civil Paper 2016 By UPSC

JWM Ordnance Factory Civil Engineering Paper 2016 Exam conducted by UPSC
Exam Date – 20th Nov 2016

Tensile strength of wood is
(a) Maximum in the direction parallel to grains
(b) Minimum in the direction parallel to grains
(c) Maximum in the direction across the grains
(d) The same in all the directions

Which type of cement is most adaptable for underwater constructions?
(a) Rapid Hardening cement
(b) Ordinary Portland cement
(c) Low-heat Portland cement
(d) Blast furnace slag cement

Green colour of cement is caused by
(a) Iron oxide
(b) Magnesium oxide
(c) Chromium dioxide
(d) Carbon pigments

Super-plasticizers are
(a) Additives applied to bitumen to achieve a low melting point
(b) Water-reducing admixtures for concrete
(c) Additives applied to bitumen to improve its viscosity
(d) Accelerating admixtures

Reducing water/cement ratio in concrete during manufacture results in
(a) Increase in 28 days compressive strength
(b) Decrease in 28 days compressive strength
(c) No change in 28 days compressive strength
(d) Significant increase in tensile strenth

A hollow steel column has an external diameter of 25o mm and an internal diameter of 200 mm. If the safe compressive stress is 120 N per sq. mm, the safe axial compressive load for the column is, nearly
(a) 2210 kN
(b) 2120 kN
(c) 2000 kN
(d) 1500 kN

In order to reduce uplift on a gravity dam, the type of grouting done is
(a) Consolidation grouting near the heel
(b) Curtain grouting near the toe
(c) Consolidation grouting near the toe
(d) Curtain grouting near the heel

In the standard SCS-CN method of modelling runoff due to daily rainfall, the maximum one-day rainfall that would not produce runoff in a watershed with CN=50 is nearly
(a) 25 mm
(b) 35 mm
(c) 50 mm
(d) 65 mm

A waste-water sample contains 30mg/l toxic material, 300 mg/l biodegradable organic material and 100 mg/l of inorganic material. Its BOD will be
(a) 0 mg/l
(b) 300 mg/l
(c) 400 mg/l
(d) 430 mg/l

A suspension bridge with a two-hinged stiffening girder is
(a) Statically determinate
(b) Indeterminate by one degree
(c) Indeterminate by two degree
(d) A determinate structure