Answered: 3. Blow down valve is operated re

Engineering

Mechanical Engineering

3. Blow down valve is operated re

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter29: Troubleshooting And Typical Operating Conditions For Commercial refrigeration

Section: Chapter Questions

Problem 14RQ: An automatic expansion valve system responds to an overcharge of refrigerant by A. low suction...

See similar textbooks

Related questions

Q: List any four factors that are to be considered in selection of storage tanks in Oil and Gas?

A: To Find- four factors that are to be considered in selection of storage tanks in Oil and Gas.

Q: 1) A compressor is delivering air at a pressure of 8 bar gauge at the rate of 10 m3/min f.a.d.…

A: A compressor is a mechanical device that reduces the volume of gas in order to increase its…

Q: 1-While refilling an 8-quart (7.57 L) system with coolant: Technician A initially puts in 4 quarts…

A: Hi there, Thank you for the question. We’ll answer the first question since we answer only one…

Q: A compressor is delivering air at a pressure of 8 bar gauge at the rate of 10 m3/min f.a.d. Average…

A: A compressor is a mechanical device that reduces the volume of gas in order to increase its…

Q: If the maximum pressure of a conventional spring relief valve for nitrogen service is 84.3 psia.…

A: Given data: - The maximum spring relief pressure is Pr = 84.3 psia.

Q: 4. A special oil is to be used in an absorption tower. The preliminary design of the unit requires…

A: A schematic diagram of the given case is Given data, Datum height at section 1, Z1 = 10 ft Length…

Q: Choose the correct answer The suction pressure of a refrigerant should be as low as possible The…

Q: Conclusion about Type of degree Thermometer

Q: is type of device based on its construction, used in applications where it's necessary with low…

A: All are the flow rate measuring device based on the pressure difference and the stagnation point…

Q: A pump is being supplied with water from an open tank. The water level of the sOurce

Q: In a piping system, what is used to control the flow rate? (a) Pipe (b) Valve (c) Fitting (d) Pump…

A: Valve is used to control the flow rate fluid flowing in pipes. Valve is a device that regulates and…

Q: a) the amount of fresh air entering the preheater b) heat should be supplied to the preheater…

Q: If a system is overcharged, the discharge pressure will read higher than itshould. If the system is…

A: Consider a chart of the discharge pressure vs suction pressure for the heat pump system and draw the…

Q: s stoves, the recommended lubricant to be used in gas flow control valves is: No lubrication needed…

A: For gas stove, the lubricant is used in gas control valve as Molybdenum disulfide or graphite…

Q: A pump has a 100 mm diameter suction pipe and a 75 mm discharge pipe. The capacity is 15 L/s of…

Q: Pressure control valves determine maximum system pressure True False

Q: A venturi meter is used to measure velocity for varying pressure head Select one: True False

Q: Crude oil having a specific gravity of 0.93 and a viscosity of 4cP is draining by gravity from the…

A: Given, Specific Gravity = 0.93 Coefficient of viscosing is = 4cp = 4 x 10-2 poise = 4 x 10-3 pas…

Q: Q₁-(A) Compare between internal and external leakage with respect to 1- Where and when does it…

A: 1. The internal leakage of the valve is the condition that the medium still leaks from the…

Q: For a hydraulic power unit, this part reads the oil pressure at the pump outlet

A: This question is based on the concept of Hydraulic power limit.

Q: A compressor is delivering air at a pressure of 8 bar gauge at the rate of 10 m/min f.a.d. Average…

A: A compressor is a mechanical device that reduces the volume of gas in order to increase its…

Q: Jet water in Pipe with chameter equal to Somn to velocity-30 - divided into two branches with…

A: The velocity will remain the same in both the pipes. V=V1=V2 Now,

Q: Choose the correct answer The discharge pressure of a refrigerant should be as constant as possible…

Q: Capsule is used to measure pressure rate.

A: Pressure measurement is known as the investigation of the applied force on a surface. The force…

Q: What kind of circuit balancing valve is used in the hot and chilled water piping? a. balancing…

A: Concept: 1.In chiller, after condenser the refrigerant fluid is passed through capillary valve…

Q: Describe the concept of negative (suction) pressure lift-type sampler.

A: Fluid can be moved or transported by pressure difference this difference can be done either by…

Q: Example procedure of Level, Flow, Pressure and Temperature control system

A: Introduction: A control system is a system of interest for a specific analysis in space. The control…

Q: Describe the procedure for selection of expansion tank for a given hydronic piping system.

A: Given Expansion tank To find Selection procedure

Q: Give an example of Reducing the Air Pressure Setting.

A: The setting of reducing air pressure is concerned with the setting of the air compressor. Air…

Q: 28. The measurement of a thermocouple can be found directly from its standard data table if ola

A: ANSWER -a) TRUE

Q: For a hydraulic power unit, this part limits the system pressure to safe levels a. reservoir b.…

A: Option d is correct

Q: Q2: For an air conditioning system, the compressor should not be started if the condenser an is not…

Q: Draw the system of Boiler, put a label.

Q: A manometer is an accurate pressure measuring device that is used to measure low pressure in the…

A: Yes, It is True.

Q: A refrigeration compressor, designed to operate

A: Refrigeration compressor, designed tto operate with R22 with R12 The condesnsing pressure of R 22…

Q: Analyse the advantages of two types of the spring-operated valve, the conventional-type and balance…

Q: What would happen if a hydronic system was installed without an expansion tank? A. The relief valve…

A: The relief valve would constantly go off.

Q: ible plug 3 Feed wat

A: given: Consider the following: 1. Safety valve 2 Fusible plug 3 Feed water pump 4 Pressure gauge The…

Q: A superheat-controlled expansion valve in a refrigerant 22 system is not equipped with an external…

Q: any one practical example about venturimeter

A: Venturimeter Venturimeter is a device that is used to convert the pressure energy into kinetic…

Q: The cylinder 2 load pressure is p2. Should the threshold pressure for pressure control valve 1 be…

A: Threshold pressure: It is define as the minimum pressure needed to initiate the displacement of a…

Q: when fluid flows through venturimeter there will be a pressure difference at the inlet part and…

A: When fluid flows through venturimeter there will be a pressure difference at the inlet part and…

Q: In an on/off pressure control system, damage to the control valve is caused when there is rapid…

A: In an on/off pressure control system, damage to the control valve is caused when there is rapid…

Q: Manometer is used to measure a. Velocity b. Discharge c. Differential pressure head

A: Solution:

Q: Problem 1 consists of ten questions to be solved consecutively. The objective is to pump 280 gal/min…

A: givenQ=280 gal/ minQ=0.028m3/s312,40 such steel pipe ⇒ID⇒90.12mm

Q: Using Boyle's law demonstrator, the oil is transferred between the measuring chamber and the fluid…

A: Boyle's law demonstrator: It is designed to measure the pressure of the gas above as well as below…

Question

Consider the following statements:

1: Safely valve in boilers will operate as soon as the pressure reaches the rated value.

2. Two safety valves are provided for quick

release of pressure:

3. Blow down valve is operated regularly to remove sediments

4. Water level is monitored electrically in all larger boilers

choose correct

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

Consider the following statements: 1: Safely valve in boilers will operate as soon as the pressure reaches the rated value. 2. Two safety valves are provided for quick release of pressure: 3. Blow down valve is operated regularly to remove sediments if any 4. Water level is monitored electrically in all larger boilers.
An automatic expansion valve system responds to an overcharge of refrigerant by A. low suction pressure. B. high head pressure. C. a flooded compressor. D. both B and C
A capillary tube system responds to an overcharge of refrigerant by A. high suction pressure. B. high head pressure. C. a flooded compressor. D. all of the above
Leaks that occur only when the unit is in operation are called ______dependent leaks.
Which of the following prevents rapid switching on and off control valves in pressure control systems? a. compare actual pressure to the upper and lower limits b. compare actual pressure to the desired pressure value c. compare actual pressure to the center of the dead band d. compare actual pressure to the maximum and minimum valve positions.
An expansion valve in an improperly operating refrigerator system is shownbelow. The system is misoperating such that there is gas on both sides of theexpansion valve, not liquid as would be found on a properly operating system.What would a pressure gauge read on the low pressure side of the expansionvalve?
Consider the following: 1. Safety valve 2 Fusible plug 3 Feed water pump 4 Pressure gauge The essential boiler mountings would include.
list the various specifications that need to be carefully studiedbefore using a Thermocouple for reading the temperature of a furnace
In an on/off pressure control system, damage to the control valve is caused when there is rapid ____________ between fully open and fully closed positions.
Describe working principle of pressure-compensated flow control valve
For a hydraulic power unit, this part reads the oil pressure at the pump outlet a. filler/breather b. suction strainer c. liquid level gauge d. pressure gauge
Discuss .maintenance aspects of a typical industrial control valve.