Transrail Lighting Project Engineer Interview Questions and Answers

Q1. How to calculated pump head
Ans. 
Pump head is calculated by adding the static head, friction head, and velocity head.
• Calculate the static head by measuring the vertical distance between the pump centerline and the highest point of the system.

• Calculate the friction head by considering the pipe length, diameter, roughness, and flow rate.

• Calculate the velocity head by using the formula: V^2 / (2g), where V is the velocity of the fluid and g is the accele...read more
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Q2. How to oprate the fire alaram system
Ans. 
To operate the fire alarm system, follow these steps: activate the alarm, evacuate the building, and wait for emergency responders.
• Activate the fire alarm by pulling the nearest alarm pull station or pressing the alarm button.

• Evacuate the building immediately using the nearest exit and do not use elevators.

• Wait for emergency responders to arrive and provide them with any relevant information about the situation.
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Q1. Asked technical questions
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Q2. What is the bulk modulus
Ans. 
Bulk modulus is a measure of a material's resistance to compression under pressure.
• It is a measure of a material's compressibility

• It is defined as the ratio of change in pressure to the fractional volume compression

• It is used in the study of elasticity and fluid mechanics

• Examples of materials with high bulk modulus include diamond and steel

• Examples of materials with low bulk modulus include rubber and foam
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Q3. Why there is G constant during bulling of sand
Ans. 
G constant is required during sand bulking to account for the change in volume due to the presence of air voids.
• G constant is used to calculate the volume of sand when it is in a loose state.

• The presence of air voids in sand causes it to increase in volume, which is known as bulking.

• The amount of bulking depends on the moisture content and the type of sand.

• G constant is determined experimentally by comparing the volume...read more
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Regarding mathematics and problem solving

Q1. Regarding your past experience, roles and responsibilities,
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Q2. Regarding cement, steel etc
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Q1. Regarding salary expectations
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Q1. Related to my profile
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Q2. Working on other Streem
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Q1. They will ask basic technical questions on concrete technology
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