Reena mechanicals Interview Questions and Answers

There are various types of gears available for different applications.

• Spur gears

• Helical gears

• Bevel gears

• Worm gears

• Planetary gears

• Rack and pinion gears

• Internal gears

• Spiral bevel gears

• Straight bevel gears

• Miter gears

A fitter is a skilled tradesperson who assembles, installs, and maintains machinery and equipment.

• Fitters read and interpret blueprints and technical drawings

• They use hand tools and power tools to shape and fit parts together

• Fitters may work in industries such as manufacturing, construction, or maintenance

• Examples of fitter tasks include aligning machine parts, welding components, and testing machinery

CNC stands for Computer Numerical Control.

• CNC is a manufacturing process that uses computerized controls to operate machines.

• It involves the use of software to control the movement of tools and machinery.

• CNC machines are used in various industries such as automotive, aerospace, and electronics.

• Examples of CNC machines include lathes, mills, routers, and plasma cutters.

Gears can be made of various metals depending on the application.

• Common metals used for gears include steel, brass, bronze, and aluminum.

• The choice of metal depends on factors such as strength, durability, and cost.

• For high-stress applications, steel is often used due to its strength and toughness.

• Brass and bronze are commonly used for low-speed and low-load applications due to their self-lubricating properties.

• Aluminum is used for lightweight and low-stress applications.

• The ...read more

PPE stands for Personal Protective Equipment.

• PPE is equipment worn to minimize exposure to hazards that may cause serious workplace injuries or illnesses.

• Examples of PPE include safety glasses, gloves, hard hats, respirators, and safety shoes.

• PPE should be selected based on the specific hazards present in the workplace.

• Employers are responsible for providing PPE to their employees and ensuring that it is used properly.

• Employees are responsible for wearing PPE when required an...read more

Safety is the state of being protected from harm, danger, or risk.

• Safety refers to measures taken to prevent accidents, injuries, or damage.

• It involves identifying and eliminating hazards in the workplace or environment.

• Safety includes following protocols, using protective equipment, and promoting awareness.

• Examples of safety measures include wearing a helmet while riding a bike, using seat belts in cars, and installing fire alarms in buildings.

There are various types of gears available such as spur, helical, bevel, worm, rack and pinion, etc.

• Spur gears have straight teeth and are used for parallel shafts

• Helical gears have angled teeth and are used for smoother operation

• Bevel gears are used for perpendicular shafts

• Worm gears are used for high reduction ratios

• Rack and pinion gears are used for linear motion

• Other types include planetary, hypoid, and spiral bevel gears

PTW stands for Permit to Work. It is a formal written system used to control high-risk activities.

• PTW is used to ensure that all necessary safety measures are taken before starting a high-risk activity.

• It involves obtaining permission from a supervisor or manager before starting the work.

• PTW includes a risk assessment, identification of hazards, and implementation of control measures.

• Examples of high-risk activities that require PTW include working at heights, hot work, and c...read more