RSSB Lab Attendant case studies
RSSB Lab Attendant · Put your knowledge to work in context.
The RSSB Lab Attendant examination is a recruitment test conducted by the Rajasthan Staff Selection Board (Rajasthan Subordinate and Ministerial Services Selection Board, commonly RSSB) for the post of laboratory attendant (प्रयोगशाला परिचर) in government laboratories, schools, colleges and technical institutions across Rajasthan. It is aimed at candidates with a modest academic background who want a stable Class IV or support-staff position and are willing to handle the practical side of laboratory work: keeping apparatus clean and ready, maintaining stock registers, receiving and storing chemicals and specimens, and following safety rules under the supervision of a laboratory assistant, technician or teacher. The RSSB Lab Attendant case studies are 5 cases and about 2,212 words.
1Nitric Acid Spill in a Kota College Laboratory
At a government college laboratory in Kota, you are the attendant on duty at 11:05 a.m. A 500 mL reagent bottle of concentrated nitric acid slips from a tray and cracks on the bench inside the fume hood.
530 words, about 3 min2Preparing Saline and Ethanol from Stock Liquids
On Monday morning the lab has two stock liquids: a bottle marked “5% NaCl (w/v)” with no preparation date, and a bottle marked “95% ethanol (v/v)”. You must prepare 2.0 L of 0.9% NaCl solution for a physiology practical and 1.0 L of 70% ethanol for bench disinfection.
445 words, about 2 min3Correcting a Hindi Laboratory Notice
Before a practical examination, the lab in-charge asks you to correct a Hindi notice that will be pasted on the laboratory door. The draft reads: “सभी विद्यार्थीयों को सूचित किया जाता है कि प्रयोगशाला में प्रवेश करने से पहले अपने जूते और कोट पहनना अनिवार्य है। कृपया शीशे के बर्तन को सावधानी से रखें। बिना अनुमति रसायन न छुएँ।” You have five minutes; the notice must be short, formal, and clear to first-year students.
376 words, about 2 min4Glassware Stock Sheet with Two Hidden Errors
you are preparing the monthly glassware stock sheet in the laboratory computer. The file “Glassware Stock April.xlsx” is open.
394 words, about 2 min5Hard Water and Heat in a Jodhpur Laboratory
You work in a college laboratory in Jodhpur. In May the room temperature reaches 44°C by noon, and the tap water is hard, with visible scaling in the kettle and a high chloride content.
467 words, about 2 min