Jacobs Engineering Group Senior Plumber Interview Questions and Answers

Plumbing supervisor

Q1. Good afternoon sir
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Q2. My name is ravindher
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Q3. My designation plumbing supervisor
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Q1. How many type of calipers
Ans. 
There are several types of calipers used in plumbing.
• Vernier caliper

• Dial caliper

• Digital caliper

• Inside caliper

• Outside caliper

• Depth caliper
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Q1. Asked to draw plumbing diagram like, Prv section, drainage system, Hydronumetic system.
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Q2. All standard heights and width of fixtures
Ans. 
Standard heights and widths of plumbing fixtures vary based on type and location.
• Toilets typically have a height of 15-19 inches and a width of 14-16 inches

• Bathroom sinks are usually 30-36 inches in height and 20-24 inches in width

• Kitchen sinks can range from 8-10 inches in depth and 22-33 inches in width

• Bathtubs are commonly 60 inches in length and 30-32 inches in width

• Shower stalls can vary in size, but a standard si...read more
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Q3. External drain slope details and sections of chmaber, manhole & recharge pitt.
Ans. 
External drain slope details and sections of chamber, manhole & recharge pitt.
• External drain slope should be at least 1% to ensure proper drainage

• Chamber and manhole sections should be designed to allow easy access for maintenance

• Recharge pitt should be designed to allow for proper infiltration of water into the ground

• All sections should be designed to meet local building codes and regulations
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Q4. All kind of pipe specifications and technical composition details.
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