NACL Industries Graduate Engineer Trainee (Get) Interview Questions and Answers

Herbicide is a type of pesticide used to kill unwanted plants.

• Herbicides are chemicals that are used to control or kill unwanted plants.

• They are commonly used in agriculture to prevent weeds from competing with crops.

• Some herbicides are selective, meaning they only target specific types of plants, while others are non-selective and will kill any plant they come into contact with.

• Examples of herbicides include glyphosat...read more

PI Industries is a leading agrochemical company in India that manufactures and supplies a wide range of products.

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Bernoulli's theorem explains the relationship between fluid speed and pressure.

• Bernoulli's theorem states that as the speed of a fluid increases, its pressure decreases.

• It is important in industries such as aviation, where it is used to design wings and airfoils.

• It is also used in the design of pipelines and pumps.

• Limitations include the assumption of incompressible and non-viscous fluids, and the neglect of friction a...read more

Pump is used to transfer fluids from one place to another while compressor is used to compress gases.

• Pump is used to move fluids like water, oil, etc. from one place to another.

• Compressor is used to compress gases like air, refrigerant, etc.

• Pumps are used in industries, households, and agriculture while compressors are used in refrigeration, air conditioning, and gas pipelines.

• Pumps have a lower pressure ratio while co...read more

Closing a shutoff valve while the pump is running dry can cause damage to the pump and other components.

• The pump will continue to run but without any fluid to circulate, causing it to overheat and potentially seize.

• The lack of fluid can also cause damage to the impeller and other internal components.

• The pressure in the system can also increase, leading to potential leaks or bursts in the pipeline.

• It is important to ens...read more

Closing the shutoff valve while pumping in a centrifugal pump can cause damage to the pump and the piping system.

• The pump will continue to generate pressure, leading to a buildup of pressure in the piping system.

• This can cause the pump to overheat and potentially damage the impeller.

• The piping system may also experience damage due to the increased pressure.

• It is important to ensure that the shutoff valve is only closed...read more

Connecting pumps in series increases head while connecting in parallel increases flow rate.

• Connecting pumps in series increases the total head of the system while connecting in parallel increases the total flow rate.

• In series connection, the discharge remains the same while the head increases.

• In parallel connection, the head remains the same while the discharge increases.

• Series connection is used when high head is requ...read more

Dimensions of power, energy, force and acceleration.

• Power is measured in watts (W) and is the rate at which work is done.

• Energy is measured in joules (J) and is the capacity to do work.

• Force is measured in newtons (N) and is the push or pull on an object.

• Acceleration is measured in meters per second squared (m/s^2) and is the rate of change of velocity.

Valves are mechanical devices used to control the flow of fluids or gases.

• Valves are used in various industries such as oil and gas, water treatment, and chemical processing.

• They can be classified into different types such as gate valves, ball valves, and butterfly valves.

• Valves can be operated manually or automatically using actuators.

• They play a crucial role in maintaining the safety and efficiency of industrial proc...read more

Types of what? Please provide more context.

• Please provide more context for the question.

• Without context, it is impossible to provide a meaningful answer.

• Types can refer to many different things, such as types of engineering, types of materials, types of software, etc.