BHEL Supervisor Trainee case studies

BHEL Supervisor Trainee · Put your knowledge to work in context.

The BHEL Supervisor Trainee recruitment examination is the selection gateway for candidates seeking a supervisor (trainee) role at Bharat Heavy Electricals Limited, one of India's largest public-sector engineering and manufacturing enterprises. The credential is aimed at diploma and engineering graduates who want to supervise shop-floor and site work in disciplines such as mechanical, electrical, electronics, civil, chemical or metallurgy, depending on the post applied for. The BHEL Supervisor Trainee case studies are 5 cases and about 2,820 words.

Condensate Extraction Pump Cavitation During Hotwell Level Excursion

At a 500 MW coal-fired unit, the condensate extraction pump takes suction from the hotwell and discharges to the deaerator. During monsoon operation the hotwell level has been unstable.

534 words, about 3 min 2

Confined-Space Entry and Rescue in a Boiler Steam Drum

During a 210 MW boiler overhaul, a contract crew is to inspect the steam drum internally. The drum is 1.8 m diameter, 14 m long, with two 450 mm manholes; volume is about 35 m³.

550 words, about 3 min 3

Cement and Fly-Ash Reconciliation for an M25 Raft

At a BHEL site, the store reconciliation for an M25 raft is due. The month's accepted concrete volume is 480 m³.

564 words, about 3 min 4

Sequence-of-Events Analysis of a Unit Trip

At 10:00:00.0 a 210 MW unit was steady at 205 MW. The sequence-of-events recorder shows: 10:00:00.2 drum level low-low; 10:00:00.4 both primary air (PA) fans trip; 10:00:00.6 all mills trip; 10:00:00.8 forced draft (FD) fan trip; 10:00:01.0 boiler trip; 10:00:01.2 turbine trip; 10:00:01.5 generator breaker open.

630 words, about 3 min 5

P91 Header Weld Rejection and Repair Disposition

During fabrication of a P91 main steam header, a 355.6 mm OD × 40 mm wall butt weld is completed with a GTAW root and SMAW fill. The qualified WPS specifies preheat 200-250°C, interpass temperature ≤300°C, and PWHT at 760 ± 10°C for 2 h.

542 words, about 3 min