HPCL Fire and Safety Inspector Model Paper

Objective Questions on Industrial Safety and Environmental Engineering

If you are appearing Hindustan Petroleum Corporation Limited Visakh Refinery Boiler Technician Recruitment exam 2020 and searching HPCL Boiler Technician Previous Year Paper/ Model Paper/ Sample Paper then you are at right place. Here, we are publishing Safety and Environmental Engineering question paper for your practice.

Environment includes
(a) Water
(b) Land
(c) Sky
(d) All of these

What is Ecology?
(a) Balance in water
(b) Balance on land
(c) Balance in sky
(d) All of these

How many types of pollution?
(a) One
(b) Two
(c) Three
(d) Five

No Adverse effects of Air Pollution
(a) Alergy
(b) Various disease
(c) Good for health
(d) Acid rain

Green House Effects means
(a) Water balance
(b) Air balance
(c) Temperature balance
(d) Pressure balance

Why acid rain occurs?
(a) Presence of oxides of sulfur & nitrogen in air
(b) Due to dust
(c) Due to smoke
(d) Due to oxygen

What are sources of water pollution?
(a) Air
(b) Smoke
(c) Domestic & Industrial waste in water
(d) Sound

Full form of BOD
(a) Buffer of Demand
(b) Bed of Dust
(c) Bed of Drilling
(d) Biological Oxygen Demand

pH of pure water is
(a) 1.0
(b) 11.0
(c) 7.0
(d) 20

What are sources of Noise Pollution?
(a) Dust
(b) Smoke
(c) Unpleasant and sound of more intensity than prescribed
(d) Running of biological lives

Adverse effect of Acid rain
(a) Trees & Plants
(b) Human
(c) Buildings
(d) All of these

Adverse effect of Global Warming
(a) Water pollution
(b) Air pollution
(c) Noise pollution
(d) Increase in temperature of atmosphere & level of sea rising.

Colour code for Nitrogen line in Industries
(a) Green
(b) Yellow
(c) Blue
(d) Red

What are sources of fire extinguisher in industries?
(a) Water
(b) Air
(c) Sand
(d) (a), (c) and Chemical fire extinguishers

What are sources of pollution from Refrigeration equipments?
(a) Oxygen
(b) Chorofluro Carbon CFC
(c) Nitrogen
(d) Chlorine