JSSC JE case studies
JSSC JE · Put your knowledge to work in context.
The JSSC Junior Engineer examination is a state-level recruitment test conducted by the Jharkhand Staff Selection Commission to build a merit list for Junior Engineer posts in Civil and Mechanical disciplines within Jharkhand government departments. Candidates typically hold a diploma or degree in Civil or Mechanical Engineering and are seeking a stable public-sector technical role. The JSSC JE case studies are 5 cases and about 3,957 words.
13 m Deep Sump Excavation Next to a Cracked Brick House
A 3.0 m deep excavation is needed for a 6 m × 4 m underground sump inside a built-up colony in Ranchi. The subsoil is a medium-stiff silty clay with SPT N = 6 at 1.5 m depth and N = 8 at 3.0 m; the water table is at 2.2 m below ground level.
828 words, about 4 min2Single-Stage Air Compressor Overloading Its 75 kW Motor
A garment unit at Ranchi runs a single-stage reciprocating air compressor at 0.30 m³/s free air delivery, drawing air at 1.0 bar absolute and 32 °C and delivering at 7.0 bar absolute. The compression index is n = 1.30 and the overall efficiency (indicated power to electrical input) is 0.88.
733 words, about 4 min3Five-Sided Boundary Traverse That Fails Both Close Checks
A junior surveyor closes a five-sided traverse ABCDE around a proposed site boundary using a 20-second theodolite and a 30 m steel tape. The five measured interior angles sum to 540°04′20″.
737 words, about 4 min4Crashing a 16-Day Polytechnic Block to 13 Days Under Liquidated Damages
An additional classroom block for a government polytechnic must be handed over in 13 working days to avoid a liquidated-damages clause of ₹10,000 per day. The approved network has five activities: A (site clearance, 3 days) precedes B (foundation, 5 days) and C (plinth beam and columns, 4 days); B and C both precede D (roof slab, 2 days); D precedes E (finishing, 6 days).
767 words, about 4 min5Nagar Panchayat Water Scheme: Jurisdiction, Variation and Unreceived Devolution
A nagar panchayat with a population of about 48,000 has been sanctioned ₹4.20 crore under a state urban water supply programme for a tube-well scheme with an overhead tank and 6.5 km of distribution main; the sanction requires the panchayat to contribute 25% (₹1.05 crore) from its own funds. The estimate was prepared and tendered by the executive engineer of the state public health engineering division, and the work is being executed departmentally.
892 words, about 4 min