Quiz · Suraksha Pathshala

QUESTION 01 / 10Advanced

A maintenance team proposes welding near a galvanizing furnace gas line. Which planning principle is essential?

AAssume the line is safe when the burner is offBRely only on an extinguisher near the workCApply the authorized isolation, gas-safety checks and hot-work permit procedureDOpen a nearby gas valve to improve ventilation

QUESTION 02 / 10Foundation

A compressed-air pipeline is scheduled for dismantling during a mill shutdown. Which action is specified before opening it?

ADepressurize the pipelineBDisconnect the largest flange firstCKeep the compressor running at low pressureDLoosen bolts until air escapes

QUESTION 03 / 10Foundation

Before gas cutting an oily mill area during strip-break recovery, what is the primary hazard?

ALoss of strip thickness accuracyBIgnition of oil or oil-soaked materialCIncreased rolling forceDFailure of the coil tracking barcode

QUESTION 04 / 10Foundation

A gas cylinder must be moved across a repair bay. Which method is consistent with the CRM guideline?

ARoll it along the floor on its sideBCarry it using the regulatorCDrag it by the valve guardDMove it using a suitable cylinder trolley

QUESTION 05 / 10Foundation

What is the main hazard when nitrogen or argon accumulates in an enclosed space?

ACorrosion of all steel equipmentBDisplacement of breathable oxygenCFormation of visible smokeDAutomatic generation of carbon monoxide

QUESTION 06 / 10Foundation

What is the purpose of a flashback arrester on a gas-cutting set used in SPM coil preparation?

ATo help prevent flame propagation back into the gas supplyBTo increase oxygen purityCTo measure cylinder contentsDTo replace hose inspection

QUESTION 07 / 10Practical

A fixed hydrogen detector alarms near a furnace. What should a nearby employee do?

AIgnore it if there is no smellBStop work, withdraw safely, warn others and notify the control roomCSwitch off all nearby electrical switches personallyDSearch for the leak with a cigarette lighter

QUESTION 08 / 10Practical

A worker smells an unusual odour near a gas line. What is the safest initial response?

AMove to a safe location and alert the control roomBSearch for the leak with a flameCOperate nearby switches to test themDContinue work until the alarm sounds

Visual reference for question 8 — Question reference image

QUESTION 09 / 10Foundation

Why must hydrogen leaks be treated seriously even when no gas smell is detected?

AHydrogen is odourless and highly flammableBHydrogen always produces a strong warning smellCHydrogen cannot ignite at normal temperaturesDHydrogen leaks are harmless in ventilated rooms

QUESTION 10 / 10Advanced

Why must a hydrogen system be checked for leaks using an approved method?

AHydrogen can form flammable mixtures with airBHydrogen always has a strong warning smellCHydrogen cannot escape small jointsDHydrogen is heavier than every other gas

Gas & Hydrogen Safety