SSC JE Mechanical case studies
SSC JE Mechanical · Put your knowledge to work in context.
The Junior Engineer (Civil, Mechanical & Electrical) Examination is conducted by the Staff Selection Commission (SSC) to recruit junior engineers in various government departments and organizations. This page is an independent study resource for candidates preparing for the Mechanical stream. The exam is held in two stages: Paper-I, a Computer Based Examination, and Paper-II. The Commission publishes notices on its official website covering city of examination and Admission Certificate information for Paper-I, tentative vacancies, and revised dates. The SSC JE Mechanical case studies are 5 cases and about 3,264 words.
1Six-Pump Servicing Roster: Solving It and Testing Whether Every Clue Is Needed
A candidate is revising linear arrangement through a plant-maintenance roster. Six pumps, labelled A to F, must each be serviced on exactly one day, Monday through Saturday, with every day used.
544 words, about 3 min2Adjudicating a Forwarded General Awareness One-Liner List with Two Hidden Errors
A study group preparing for SSC JE General Awareness circulates a forwarded "one-liner" list. The group admin writes: "Only one statement below is wrong - memorise the rest." The five statements are: 1.
673 words, about 3 min3Pump Cavitation After a 10% Speed Increase: NPSH Available Versus NPSH Required
A poultry shed's water supply uses a centrifugal pump drawing from an open underground sump. The pump centreline sits 3.5 m above the lowest sump water level, and at the design duty the suction line loses 1.2 m of head to friction.
674 words, about 3 min4Worn Go/No-Go Plug Gauges, a 40 H7/g6 Fit and a Supplier Dispute
A workshop assembles 200 bronze bushes onto steel shafts. The drawing specifies bush bore 40 H7 (+0.025/0.000) and shaft 40 g6 (−0.009/−0.025).
696 words, about 3 min5Tool-Life Economics: Is a 25% Speed Increase Really Cheaper per Piece?
A small CNC turning shop machines a component requiring 160 m of cutting travel per piece. The current programme runs at 40 m/min, at which speed the inserts last 60 min per edge.
677 words, about 3 min