Quizzes on HardHat Engineer

The only difference between OH3 and OH4 types API 610 pump is the use of a rigid coupling method in OH4 compared to flexible coupling in OH3.

The closed impeller is used in the service with particles.

A Centrifugal pump converts kinetic energy into the pressure head of the liquid.

________ type of pump coupling is regularly used in a pump as it can compensate for some amount of both radial and axial misalignment.

_____ may lead to cavitation in the pump.

Which part of centrifugal pump transfer energy from the motor to the fluid?

______ can be replaced at periodic maintenance.

Select correct API 610 Centrifugal Pump categories.

Cavitation is responsible for a high sound and vibration in the pump.

__________ type of pump is used to inject a small fixed volume of liquid in a Chemical dosing skid?

P&ID shows all the equipment, including installed spares, and associated piping including drain and vent line.

Identify the symbol shown in the image.

The symbol shown in the image is of 24″ ______.

P&IDs are developed using already available ______.

Isolation and shutoff valves are shown in the _______.

What is not included in a P&ID?

In which part of the drawing will you look for additional information that the designer wishes you to add to make the drawing more comprehensive?

A single PFD can have multiple P&IDs.

P&ID is a _______  representation of the actual process plant using various symbols.

Image shown above is for __________.

Which valve is used in the flow control loop?

Which standard gives the list of Trim materials that can be used in the valve?

Stop Check Valve is a combination of a lift ________ and _______ .

Which type of gate valve is used in slurry and powder product application?

Gate Valve can be used as a control valve.

_________is similar to the globe valve in design.

In which type of gate valve the valve disk is threaded internally?

___________ of the valve body is used when pigging is required in the pipeline.

Which valve is used for regulating and throttling of flow in the pipeline?

Isolation and shutoff valves are shown in the _______.

__________ type of connection joint in underground piping is not recommended when it is supposed to be buried.

Select the correct carbon steel flange material grade.

Which type of flange provide highest level of joint integrity?

Which flange is not suitable for small-size piping?

Which type of Olet is used with the elbow?

What type of gasket is used with RTJ face flange?

Weldolet’s end is suited for the socket welding connection.

Weldolet is used for taking a branch which is not at 90 degrees to run pipe.

Lap flange is available in limited Size of NPS 4” and below.

The backing flange in the Lap joint flange can be of a different material than stub end material and usually of carbon steel to save the cost.

_______ are used as an alternative to flanges connection in low-pressure small bore piping where the dismantling of the pipe is required more often.

______ is used to change direction as well as reduce the size of the pipeline within a piping system

Pipe Fittings are available only in butt weld end connections.

Concentric reducer which is also known as a _________.

Only seamless pipes are used to produce wrought fittings.

Short radius pipeline bends are used in fluid transportation lines which required pigging.

_______ are not standard pipe fittings and they are fabricated from pipes.

____ is also known as a four-way pipe fitting

Flanges are used to provide flexibility for maintenance.

Dimensions of the pipe fittings (Wrought Product (WP)) are given in which standard?

Identify the type of pipe from schedule No. 40S

The following is used to specify Pipe dimension?

The steel coil is used to manufacture which type of pipe?

what is the type of pipe for Pipe Material Grade ASTM A106 GrB?

The higher the schedule number lower the thickness of the pipe.

What method is used to identify the material pipeline transporting from the outside?

Which welding method is used to manufacture large dia pipe?

Select the color of Fire water line.

The minimum length of Double random pipes is 4.8 meters.

Dimensions of Stainless Steel pipes are given in which standard?

The primary function of gaskets is to stop leakage from the welded joint.

Which type of gasket is used with high-pressure class flanges in critical services?

Which non-metallic gasket can be used for high-temperature service?

Low tension bolting is used with metallic gaskets.

The hardness of the O-ring RTJ gasket shall always be less than flange material by at least ____ BHN.

Metallic Gasket dimensions are covered in which standard?

Which one is a Non-Metallic gasket?

A Spiral Wound Gasket inner ring is used to provide additional support to the winding material.

Which type of gasket is used with raised face flanges?

Spiral Wound Gasket is which type of gasket?

The stream table is only shown on the PFD (Process Flow Diagram).

P&ID is a _______  representation of the actual process plant using various symbols.

Identify the symbol of the instrument shown here.

P&ID shows all the equipment, including installed spares, and associated piping including drain and vent line.

P&ID is also known as Process Engineering Flow Scheme (PEFS).

Design pressure and temperature are shown in the _______ Static Equipment Data table.

P&ID is a Piping and Internal diagram.

In which part of the drawing will you look for additional information that the designer wishes you to add to make the drawing more comprehensive?

The equipment detail block shown in the image is available in ______.

A single PFD can have multiple P&IDs.

Identify the type of heat exchanger shown in the image.

Pipe classes and pipeline numbers are shown on the Process Flow Diagram – PFD.

Identify the symbol shown here.

What is not included in the P&ID?

P&IDs are developed using already available ______.

The symbol shown in the image is of 24″ ______.

What is not included in a P&ID?

The symbol shown here is for Spectacle Blind “Normally Open” in P&ID

Identify the symbol shown in the image.

Image shown above is for __________.

Identify the symbol shown in the image.

Identify the symbol shown in the image.

_________  shows an overview of a plant, unit, or process in the easiest form possible.

Symbole shown in this image is for ____?

Isolation and shutoff valves are shown in the _______.

Select the color of Fire water line.

What NPS (Nominal Pipe Size) indicates?

The steel coil is used to manufacture which type of pipe?

Select the acceptable under thickness of the pipe.

_________ pipes are used when butt type weld fittings are used.

The following is used to specify Pipe dimension?

Lap flange is available in limited Size of NPS 4” and below.

What is the height of the raised face of Class 150# & 300# flnage?

Olets are self-reinforced branch connections.

Which type of Olet is used with the elbow?

__________ type of connection joint in underground piping is not recommended when it is supposed to be buried.

Select the correct carbon steel flange material grade.

Which type or reducer is used to maintain the BOP (bottom of pipe) elevation of the pipeline?

Concentric reducer which is also known as a _________.

9000 pressure class fittings are available in only the socket weld type.

Elbows are mainly available in the following types?

Select all correct types of TEE. (More than one correct answer)

What is the main function of Check Valve?

A valve is used in a piping system for the following reasons. Select all correct.

A valve may have multiple seats to provide the seating surface for the disk.

Which of the following valves are used as isolation valves?

Which of the following valve can be used to stop, start, and regulate the fluid flow?

The most widely used composite type gasket is ________.

Low tension bolting is used with metallic gaskets.

Spiral Wound Gaskets are painted in accordance with ASME B16.20 for easy identification.