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I was interviewed in Jan 2025.
Types of RTD's, thermocouples, control valves, on/off valves, proximity sensors, switches, and load cells used in instrumentation.
RTD's (Resistance Temperature Detectors) - platinum, nickel, copper
Thermocouples - Type K, Type J, Type T
Control Valve - globe valve, butterfly valve, ball valve
On/Off Valve - solenoid valve, gate valve, diaphragm valve
Proximity Sensor - inductive sensor, capacitive sensor, ultrasonic sensor
...
Transmitters used in instrumentation include LT, PT, FT, DPT, RADAR, and MASS FLOW.
LT - Level Transmitter measures the level of a substance in a tank or container.
PT - Pressure Transmitter measures pressure in a system.
FT - Flow Transmitter measures the flow rate of a substance in a pipe or channel.
DPT - Differential Pressure Transmitter measures the difference in pressure between two points.
RADAR - Radar Transmitter u...
Types of SOV's, gauges, and limit switches used in instrumentation.
Types of SOV's: solenoid-operated valves, pneumatic valves, electrically-operated valves
Types of gauges: pressure gauges, temperature gauges, level gauges
Types of limit switches: mechanical limit switches, proximity limit switches, photoelectric limit switches
Diploma in Electronics Engg.
Diploma in Electronics Engg
I applied via Campus Placement and was interviewed in Oct 2023. There were 3 interview rounds.
Basic core questions from instrumentation
Our topic for the GD was electric vehicles in India
I was interviewed before Feb 2024.
I am motivated to join HMEL because of the company's strong reputation, growth opportunities, and commitment to excellence.
HMEL has a strong reputation in the industry, which motivates me to be a part of a successful organization.
I am excited about the growth opportunities that HMEL offers, and I am motivated to advance my career within the company.
The company's commitment to excellence in all aspects of its operations...
HMEL's Guru Gobind Singh Petroleum Refinery interview questions for popular designations
I applied via Walk-in and was interviewed in May 2022. There were 4 interview rounds.
Job related questions.
I applied via Naukri.com
I applied via Campus Placement and was interviewed before May 2022. There were 4 interview rounds.
Questions from core chemical engg.
Covid 19 pendemic and how India fought back
Top trending discussions
I applied via Company Website and was interviewed in May 2021. There were 3 interview rounds.
I applied via Recruitment Consulltant and was interviewed before Feb 2021. There was 1 interview round.
I applied via Recruitment Consulltant and was interviewed before Feb 2021. There was 1 interview round.
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