ZTT India Head Operations Interview Questions and Answers

Q1. What is diesel engine
Ans. 
A diesel engine is an internal combustion engine that uses compression ignition to burn fuel.
• Diesel engines are commonly used in trucks, buses, ships, and some cars.

• They are more fuel efficient than gasoline engines.

• Diesel engines do not have spark plugs; instead, they rely on the heat generated by compressing air in the combustion chamber to ignite the fuel.

• Diesel engines produce more torque at lower RPMs compared to
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Q2. What is flywheel
Ans. 
A flywheel is a mechanical device used to store rotational energy and smooth out fluctuations in speed of a machine.
• Flywheels are commonly used in engines to maintain a consistent speed of rotation.

• They store energy during the power stroke and release it during the compression stroke.

• Flywheels are also used in some industrial processes to regulate the speed of machinery.
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10 groups were made of 10 10 members. Snd 6 from every group got selected.

Q1. Personal information
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Q2. Mechanical technical questions were asked
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Q1. What is p.t.o shaft and how many types of p.t.o ?
Ans. 
A P.T.O. shaft is a mechanical component used to transfer power from a tractor or vehicle to an attached implement. There are mainly two types of P.T.O. shafts: transmission P.T.O. and live P.T.O.
• Transmission P.T.O. shaft is directly connected to the transmission of the vehicle and operates at the same speed as the vehicle's engine.

• Live P.T.O. shaft is independent of the vehicle's transmission and can be engaged and di...read more
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Q2. What is T.P.M process
Ans. 
TPM (Total Productive Maintenance) is a proactive approach to maintenance that aims to maximize equipment effectiveness.
• TPM focuses on preventing breakdowns and improving overall equipment efficiency.

• It involves regular maintenance, cleaning, and inspection of equipment.

• TPM also includes training employees to take ownership of equipment maintenance.

• Example: Implementing TPM practices in a manufacturing plant to reduce
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Q3. What is maintenance and technical meaning
Ans. 
Maintenance is the process of ensuring that equipment and facilities are kept in good working condition, while technical meaning refers to the specific knowledge and skills required to perform maintenance tasks.
• Maintenance involves regular inspections, repairs, and replacements to prevent breakdowns and ensure optimal performance.

• Technical meaning in maintenance includes understanding equipment specifications, troubles...read more
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Q4. What type of maintenance
Ans. 
Preventive maintenance is crucial to ensure smooth operations and avoid costly breakdowns.
• Regularly inspecting equipment and machinery

• Performing routine maintenance tasks such as lubrication and cleaning

• Replacing worn-out parts before they fail

• Implementing a computerized maintenance management system (CMMS) to track maintenance activities

• Training staff on proper maintenance procedures
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Q5. Power transmission system components
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Q6. Clutch, gearbox, universal joint, propeller shaft, differential gear, axles.
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