Category Archives: Instrumentation

Instrumentation is the design, equipping, and/or use of measuring instruments in determining real-life conditions in a plant’s process, as for observation, measurement and control. Instrumentation technicians will install, maintain and calibrate devices used in the automation of industrial processes.

Instrumentation

Graduate Engineer Trainee (Get) Interview Questions and Answers 2024

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Let’s Begin with Graduate Engineer Trainee (Get) Interview Questions and Answers :

Q1. What are pumps?

Ans : Pumps are devices used to move fluids by mechanical action.

Q2. What are flow meters?

Ans : Flow meters are instruments used to measure the flow rate of fluids.

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Q3. How Flow Meter working vary?

Ans : The working of flow meters varies depending on the type of flow meter used.

Q4. On increasing the value of Reflux ratio in distillation column what happens?

Ans: Increasing the reflux ratio in a distillation column increases the purity of the distillate.

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Graduate Engineer Trainee

Q5. What are the modes of heat transfer?

Ans : The modes of heat transfer are conduction, convection, and radiation.

Q6. What are different types of IC engines?

Ans : There are two main types of IC engines: spark ignition (SI) engines and compression ignition (CI) engines. Spark ignition (SI) engines use a spark plug to ignite the fuel-air mixture, commonly used in gasoline engines. Compression ignition (CI) engines rely on the heat generated by compressing the air-fuel mixture to ignite it, commonly used in diesel engines. Other types include rotary engines, two-stroke engines, and four-stroke engines.

Interview Questions and Answers

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Q7. What is heat exchanger and it’s working?

Ans :

  • A heat exchanger is a device used to transfer heat between two or more fluids.
  • Heat exchangers are used in various industries such as chemical, power, and HVAC.
  • They work by allowing two fluids to flow through separate channels, with heat transferring from one fluid to the other.
  • Common types of heat exchangers include shell and tube, plate and frame, and finned tube.
  • Heat exchangers can be used for heating, cooling, or both.
  • Efficiency of a heat exchanger is determined by factors such as flow rate, temperature difference, and surface area.
  • Regular maintenance is important to prevent fouling and corrosion, which can reduce efficiency and lifespan.

Q8. What are various types of flow meters?

Ans : Flow meters are devices used to measure the flow rate or quantity of a gas or liquid moving through a pipe.

  • Differential pressure flow meters
  • Positive displacement flow meters
  • Velocity flow meters
  • Mass flow meters
  • Open channel flow meters

Q9. Working of flow meters?

Ans : Flow meters measure the rate of fluid flow in a pipe or channel.

  • Flow meters work by measuring the velocity of the fluid and the cross-sectional area of the pipe or channel.
  • There are different types of flow meters such as differential pressure flow meters, positive displacement flow meters, and electromagnetic flow meters.
  • Flow meters are used in various industries such as oil and gas, water treatment, and food and beverage.
  • Examples of flow meters include turbine flow meters, ultrasonic flow meters, and vortex flow meters
Instrumentation

Interview Questions and Answers (Fire Safety) 2024

Fire Safety Interview Questions and Answer

1. What is Fire?
Ans: Fire is a chemical chain reaction, were required three elements
(1) Heat
(2) Oxygen
(3) Fuel.

2. How many types of fire classifications are there and what are those?
Ans: There are five types, A.B.C.D.K
Class A: Ordinary combustible
Ex: Paper, Wood, Garbage, Plastics.
Class B: Fire involves inflammable liquid
Ex: Petrol, Diesel.
Class C: Involves in Electricity
Ex: Switch panel, Boards.
Class D: Metal fire
Ex: Magnesium, Potassium, Aluminum.
Class K: Kitchen fire.
Ex: Cooking oil, Animal fat,Vegetable fat.

3. What are the colour codes of fire extinguisher?
Ans: A-red
B-Cream
C-Blue
D-Black
K-Silver

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4. What will you do in case of emergency situation?
Ans: 1. Inform the surrounding people by raising alarm.
2. If it is small fire I try to extinguish the fire with extinguisher.
3. Inform the fire department and exit to the assembly point in case of
Big fire.

5. How will you evacuate the area in case of emergency arise?
Ans: 1. Sound the alarm by triggering (breaking the glass) the fire alarm actuator.
2. Evacuate the building by proceeding toward the emergency exit door.
3. If you have to pass through the smoke, keep low and follow the corridor towards the emergency exit.
4. Proceed to the Assembly Point and wait for further instruction from the Evacuation warden.

Also Check: Fire Safety

Interview Questions

6. Types of PPE and their purpose?
Ans: 1. Head Protection: – hardhats
2. Ear protection: – Earmufs, Ear plugs.
3. Nose: – Respirators supplying air, Respirators Cartiage type.
4. Eye protection: – Googles, Safety glasses.
5. Face: – Face shield.
6. Body: – Coverall, overall, full body suits.
7. Hand glows: – Neproni Butyl, Lactive Corrosive liquids.
8. Shoes: – Steel tow, Slip resists shoe, Non-Conductive shoe.

7. What is fire alarm system or fire control panel system how many types are there?
Ans: Fire alarm is a automatic electronic panel which will indicate when the fire occur. Fire alarm is connected to smoke detector and heat detector. When smoke comes down the detector will give the signal to alarm panel and the alarm gives the indication water is 9.12 meters. Or fire alarm control unit (FACU), is the controlling component of a fire alarm system. The panel receives information from environmental sensors (Heat detectors or smoke detectors) designed to detect changes associated with fire.
There are four basic types of panels: coded panels, Conventional panels, Addressable Panels, and Multiples systems.

8. What is smoke and heat detector and how does it work?
Ans: Smoke: It detects the smoke if there is a fire on work side or building.
Heat Detector: It detects the temperature in case of fire.

9. What is Risk Assessment?
Ans: It is a systematic way to identify the hazards and to control those hazards for a specific task.


10. What is work permit system and how many types are there?
Ans: It is a formed documented control process which takes accounts of all the foreseeable interactions between the workers, the environment and the associated hazards. There are seven types of work permit they are:-
1. Hot work permit
2. Cold work permit
3. Electrical work permit
4. Working at height work permit
5. Excavation work permit.
6. Acid area work permit
7. Vessel entry work permit.

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11. Definition of Hazard, Accident and Near Miss?
Ans: Hazard: – Anything which has a potential to cause harm, or damage to the property.
Accident: Unplanned unwanted events which results harm or damage to property.
Near Miss: In an incident in which no injury or damage.

12. How many types of safety reports are there?
Ans: Weekly, Monthly, Annual.

13. What is tool box talk or safety induction?
Ans: Tool box Talk: – General training provided to the worker before they start the work.
Safety Induction: These training provided to the new employees about general safety rules, emergency response procedure hazard the accident reporting.

14. Definition of Safety?
Ans: Free from accident or hazards.

15. How to use fire extinguisher?
Ans: Pass
P – Pull the pin.
A – Aim the hose at base of fire.
S – Squeeze the handle.
S – Sweep the hose.

16. What kind of safety precaution do you take to protect people, property and environment at work site?
Ans: 1. Provide training to the people
2. Conducting inspection
3. Safety meetings
4. Preparing risk assignment.
5. Monitoring.
6. Regular audit.


17. What is fire sprinkler system and how does it work?
Ans: Sprinkler system is installed inside the building. It is working under the water pressure. On the end of pipe lines sprinkler head is fitted the sprinkler head is rated to 68 degree. In case of fire the temperatures will be increase and the sprinkler head will broke and get sufficient water with pressure.
Distance between the sprinkler head is 3 meters. The coverage area of the sprinkler water is 9.12 meters.

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18. How many types of hazards are there and what are those?
Ans: There are five types of hazards.
1. Physical hazards: – caused by physical energy noise vibration.
2. Chemical hazards: – through chemical.
3. Biological hazards: – through microorganism, bacteria, virus fungi.
4. Ergonomic hazards: – Caused by manual building.
5. Cytological hazards: – Caused by work stress pressure.

19. How to inspect the fire extinguisher?
Ans: 1. we need to check not obstructed.
2. Check pressure.
3. Check for safety pin should to intext.
4. No physical cracks.

20. What you will do if you find any unsafe condition on work site?
Ans: Unsafe condition should be reported and fixed.

EVACUATION PROCEDURE:

• Don’t Panic & Stop Work
• Proceed to the nearest emergency exit & Don’t run, walk fast
• Use the staircase, never use the elevator
• Walk along the LEFT side of the staircase, Leave the right side for Life Savers and rescue team
• Give First preference to the physically challenged, pregnant mothers and the elderly
• Proceed to the safe assembly point & Do not re-enter the building until the signal is given
• Max. time for evacuation – 2.5 to 3.0 minutes

Abbreviations:-
FACP: Fire Alarm Control Panel
BMS: Building Management System
HSE: Health Safety & Executive
HIRARC: Hazard Identification, Risk Assessment, Risk Control
BS: British Standard
HSW: Health Safety Work
CPR: Cardio Pulmonary Resuscitation
EMS: Emergency Medical Service
ERT: Emergency Response Team