Quizzes on HardHat Engineer

______ can be replaced at periodic maintenance.

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

The closed impeller is used in the service with particles.

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

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

The function of the pump shaft is to transfer the drive energy to the fluid.

_____ may lead to cavitation in the pump.

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

_______ pump is useful when handling a large amount of fluid with very little pressure head.

The multistage pump design is used for ______.

P&ID is a Piping and Internal diagram.

Identify the symbol of the instrument shown here.

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?

What is not included in a P&ID?

Symbole shown in this image is for ____?

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

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

Image shown above is for __________.

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

A single PFD can have multiple P&IDs.

In the Lift type check valve, the valve disk always remains in the flow path.

A Ball valve is a quarter-turn rotary motion valve.

The ______ connects the actuator and disk in the valve.

A dual plate check valve is known as a butterfly check valve.

Which type of Gate valve is used when there is a chance of Thermal Blinding (Thermal locking)?

What is the main function of Check Valve?

For a non-rising stem valve, the stem will go up while opening the valve and move down when you close the valve.

Identify the type of Valve.

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

Isolation and shutoff valves are shown in the _______.

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.

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.

Which type of flange provide highest level of joint integrity?

A full-face gasket is used when a raised face flange is used.

Identify the type of flange.

Orifice flanges are available in Class# 150.

Olets are self-reinforced branch connections.

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

Which type of flange is used where frequent dismantling is required, and space is constrained.

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

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

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

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

Identify the type of fitting shown in the image.

The most commonly used material grade for carbon steel wrought fittings is ______.

Hydrotest is used to qualify the design of the pipe fitting.

Concentric reducer which is also known as a _________.

What is the radius of the long radius Elbow?

Elbows are mainly available in the following types?

Above 14″ pipe OD is the same as the size mentioned in OD.

Select the acceptable under thickness of the pipe.

The pipe Schedule Number indicates the thickness of the pipe.

Identify the type of pipe from schedule No. 40S

The minimum length of Double random pipes is 4.8 meters.

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

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

Select the color of Fire water line.

Dimensions of the Carbon & Alloy Steel pipes are covered in the following Standard.

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

Which type of gasket is mostly used in heat exchanger shell-channel and cover flange joints.

Identify the type of gasket shown in the image.

Metallic Gasket dimensions are covered in which standard?

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

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

Select two types of metallic gasket that are used with RTJ flanges.

Identify the type of gasket shown in the image.

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

Low tension bolting is used with metallic gaskets.

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

Isolation and shutoff valves are shown in the _______.

P&IDs are developed using already available ______.

P&ID is a Piping and Internal diagram.

Identify the symbol shown in the image.

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

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

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

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

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

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

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

What is not included in a P&ID?

Identify the symbol shown in the image.

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

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

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

A single PFD can have multiple P&IDs.

Identify the symbol of the instrument shown here.

Identify the symbol shown in the image.

Identify the type of heat exchanger shown in the image.

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?

What is not included in the P&ID?

Image shown above is for __________.

Identify the symbol shown here.

Symbole shown in this image is for ____?

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

__________ is used as an on-off stop valve and is capable of providing a bubble-tight shutoff.

Which valve is used in the flow control loop?

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

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

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

Identify the types of Olet.

Olets are self-reinforced branch connections.

Dimensions of Pipe Flanges and Flanged Fittings up to size NPS ½” to 24” are given in which standard?

Flanges are manufactured using which method?

Which three components are used to form flanged joints? Select all three.

Which type of pipe is used for critical services such as high pressure?

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

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

Select the color of Fire water line.

Dimensions of the Carbon & Alloy Steel pipes are covered in the following Standard.

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

Metallic Gasket dimensions are covered in which standard?

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

Elbows are mainly available in the following types?

Pipe Fittings are available only in butt weld end connections.

Identify the type of fitting shown in the image.

Hydraulic Bulge Method is used to manufacture _______?

Flanges are used to provide flexibility for maintenance.

Hydrotest is used to qualify the design of the pipe fitting.