WRD Maharashtra JE case studies
WRD Maharashtra JE · Put your knowledge to work in context.
The Junior Engineer (कनिष्ठ अभियंता) post in the Water Resources Department (जलसंपदा विभाग), Government of Maharashtra, is a state engineering cadre post filled through direct service recruitment (सरळसेवा भर्ती). This page is an independent study guide for candidates preparing for that recruitment; it is not affiliated with, endorsed by, or operated by the department. The WRD Maharashtra JE case studies are 5 cases and about 2,821 words.
1Cracked Canal-Bank Retaining Wall on Expansive Soil
A 90 m long, 4.5 m high RCC cantilever retaining wall supports the raised bank of a distributary canal. It was built six years ago on expansive black cotton soil with a clay backfill.
525 words, about 3 min2Low Cube Strengths in a Canal-Approach Bridge Deck
An RCC deck slab for a minor bridge on a canal approach road was cast with a designed M25 mix using OPC 43 grade, a water–cement ratio of 0.50, and a plasticising admixture. The contractor's 28-day cube results for three consecutive samples, each made from three cubes, were 19.5, 21.2 and 22.8 N/mm².
503 words, about 3 min3Cavitation and Overcurrent in a Lift-Irrigation Pump
At a lift irrigation scheme, a horizontal split-case pump is rated for 180 L/s at 45 m total head and is driven by a 110 kW, 415 V, three-phase, 50 Hz induction motor through a flexible coupling. During trial running, the pump delivers only 150 L/s, makes a crackling noise near the suction flange, and shows a vibration level of 7.5 mm/s.
635 words, about 3 min4Turbid Seepage at an Earthfill Dam Toe
An 18 m high homogeneous earthfill dam has a downstream toe drain and a toe filter. Last year at full reservoir level (FRL), the measured toe seepage was 3 L/s and clear.
561 words, about 3 min5Extra Item Bill Without a Revised Estimate
A sub-division has a sanctioned estimate of ₹62.00 lakh for rehabilitating a minor irrigation tank. The tender was accepted at 8% below the estimated cost.
597 words, about 3 min