Otis Elevator Lift Technician Interview Questions and Answers

Q1. What is the purpose of an uninterruptible power supply (UPS)?
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Q2. What is a substation?
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Q1. What is a relay?
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All type crusher equipment sarvice

All type crusher equipment sarvice

Q1. Types of crusher ,and plant
Ans. 
There are various types of crushers and plants used in industries for crushing and processing materials.
• Types of crushers include jaw crushers, cone crushers, impact crushers, and gyratory crushers.

• Plants used for crushing and processing materials include stationary plants, portable plants, and mobile plants.

• Crushers and plants are used in industries such as mining, construction, and recycling.
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Q2. Types of tools and Tourq
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Tools are classified into hand tools, power tools, cutting tools, measuring tools, and torque wrenches are used to apply a specific amount of torque to a fastener.
• Hand tools include hammers, screwdrivers, pliers, wrenches, etc.

• Power tools include drills, saws, sanders, grinders, etc.

• Cutting tools include scissors, knives, shears, etc.

• Measuring tools include rulers, tape measures, calipers, etc.

• Torque wrenches are used ...read more
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Q3. Nut and bolt types
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Q4. Types of washers
Ans. 
Washers are thin plates with a hole in the center used to distribute load and prevent damage to surfaces.
• Flat washers: used to distribute load and prevent damage to surfaces

• Lock washers: used to prevent nuts and bolts from loosening

• Spring washers: used to absorb shock and vibration

• Belleville washers: used to compensate for thermal expansion or contraction

• Wave washers: used to provide flexibility and prevent loosening

• C-
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Q5. Types of spaner
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Spanners are tools used to tighten or loosen nuts and bolts. There are various types of spanners available for different purposes.
• Open-end spanner

• Ring spanner

• Combination spanner

• Adjustable spanner

• Pipe wrench

• Socket wrench

• Torque wrench
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Q1. What is mcb and use
Ans. 
MCB stands for Miniature Circuit Breaker. It is a type of electrical protection device that automatically switches off electrical circuits during abnormal conditions.
• MCB is used to protect electrical circuits from overloads and short circuits.

• It is a more convenient and reliable alternative to fuses.

• MCBs come in different ratings to suit different electrical loads.

• They can be easily reset after tripping, unlike fuses w...read more
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Q2. Mcb use by home and company and safety wiring by sot sarcit
Ans. 
Mcb is used for safety in both homes and companies. Safety wiring is essential for preventing electrical hazards.
• Mcb (Miniature Circuit Breaker) is used in homes and companies to protect electrical circuits from overloads and short circuits.

• Safety wiring, such as grounding wires and proper insulation, is crucial for preventing electrical shocks and fires.

• Proper installation and maintenance of Mcbs and safety wiring are...read more
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Q1. Maintenance work use by tools other
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Maintenance work often requires the use of various tools and equipment.
• Maintenance work may involve using tools such as screwdrivers, wrenches, pliers, multimeters, and power drills.

• Different tools are used for different tasks, such as testing electrical circuits, tightening bolts, or replacing components.

• Regular maintenance of equipment may require specialized tools specific to the machinery being serviced.

• Proper tool...read more
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Q2. Maintenance work use by electrical iqument tap.cutter.etc
Ans. 
Maintenance work often involves using electrical equipment such as tap cutters.
• Regularly inspecting and cleaning electrical equipment to ensure proper functioning

• Replacing worn out parts or components as needed

• Testing equipment after maintenance to ensure it is working correctly

• Following safety procedures when working with electrical equipment

• Keeping a record of maintenance work done on each piece of equipment
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Q1. I am dire need of a job please sir
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Q2. Iam dire need of a job
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Q3. Iam very honest person
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Tricky and under pressure with time.

Q1. These are basic behavioural questions.
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Q1. Experience, weaknesses, strengths, working as part of a time, working under pressure, know the credo
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