In a hot water system expansion / vent pipes are installed on the cylinder and boiler because they ____________.a.) Prevent air locks b.) Stop built-up of line c.) Supply cold water d.) Release excess steam and water.

Given Data A MCQ given we have to choose correct option

Answered: In a hot water system expansion / vent…

Engineering

Mechanical Engineering

In a hot water system expansion / vent pipes are installed on the cylinder and boiler because they ____________.

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

Chapter31: Gas Heat

Section: Chapter Questions

Problem 44RQ: When would a combustion blower ever interpurge a furnace's heat exchange?

See similar textbooks

Related questions

Q: Q1 (a) Differentiate between open feedwater heaters and closed feedwater heaters.

Q: efficiency of the heat engine?

A: Given; A solar energy based heat engine which recieves; Q1=60 KJHeat at, T1=900C=90+273or, T1=363…

Q: a. Draw the system b. Draw process flow diagram for the cycle c. Draw detail Ts diagram for this…

Q: a. Total heat added b. Total turbine work C. Heat rejected in the condenser d. Total pump work e.…

A: IN THIS PROBLEM USE STEAM POWER CYCLE WITH THE BOILER PRESSURE OF 10MPA . AND THE TEMPRETURE OF THE…

Q: Given the following: a. In order to increase the COP of the heat pump, what recommendations or…

A: (a) In order to increase the COP of the heat pump :- (1) The COP of a heat pump system can be…

Q: Q. Mention the main requirements gf a steam condensing plant.

A: The answer is

Q: net heat rejected to reservoir C by CE-2

A: Given data; Carnot engine (CE-1) works between two temperature reserviors A and B;TA=900…

Q: The specific steam

A: Given; Enthalpy at entry and exit is; h1=3159 kJ/kg h2=2187 kJ/kg Specific pump work=2…

Q: Quality means _______ when referring to a refrigerant.

A: Given Data : Quality Refrigerant

Q: with heat source (9 AX .AY) eneryy balancee

A: When constructing a heat exchanger, an energy balance calculation is frequently used to calculate…

Q: refrigerant 22 vapor compression system includes a liquid-to-suction heat exchanger in the system.…

Q: ed on the given efficiency?

Q: Air leakage does not affect the boiler plant efficiency, us this statement true or false

A: Required :- To state whether the statement "Air leakage does not affect the boiler plant efficiency"…

Q: rom a hot reser ir is - 4 kJ/K,

Q: refrigerator B00 K. Its

Q: Surface condensers increase turbine back pressure, is the statement true or false

A: Required :- To state whether the statement "Surface condensers increase turbine back pressure" is…

Q: Refrigeration topic. Please help with the problem. Thanks

A: The research field of refrigeration is a very versatile and in modern era, there is tremendous…

Q: Taw un a heat balance sheet for t

Q: Which one of these can be approximated as steady flow device?

A: Generally the some of approximate steady flow devices are nozzles, diffusers, mixing chambers,…

Q: What is open countercurrent spray tower?

A: A spray tower (or spray column or spray chamber) is gas-liquid contactor wont to win mass and warmth…

Q: izer (C) Feed pump (d) S

A: given: 6.23 Which amount the following is the boiler mounting? (a) Blow off cock (b) Economizer (C)…

Q: safety measure

A: Hello you are asking about cardioxide refrigerant but currently there is no such a refrigerant in…

Q: Which is the example of heat sink? Select one: O a. combustion chamber O b. Boiler O c. river O d.…

A: What is heat sink? Anything that absorbs thermal energy without becoming much warmer is called a…

Q: *with heat Source energy balance

A: When constructing a heat exchanger, an energy balance calculation is frequently used to calculate…

Q: 20 stages of MSF-M with the following main parameters: intake: 1500 kg/s, 35,000 ppm, 20 C; blow…

A: The evaporation process is critical in systems involving liquid foods, saltwater distillation, and…

Q: stage axial flow compressor, air tapPPI turbine blade cooling is done typically fra the following…

A: Given Data⇒ Topic - Aircraft Gas Turbine Engine Axial flow compressor Number of stages (N)=16…

Q: How can we calculate the hopper heater power for an ESP?

A: Hopper heater power can be similarly estimated: HH = 2 ( HN ) θ ′ (1) where, HH =…

Q: Make a poster about refrigeration

A: To draw detailed about refrigeration

Q: Benifits of Building Energy Management System (BEMS)

A: Option C is correct i.e: all the options are correct

Q: Briefly state the desirable properties of a refrigerant?

Q: Describe the efficiency of a water heater?

A: Given Water heater To find The efficiency of water heater

Q: a generic 2.5MW

Q: Boiler can be classified as

Q: A) What are the requirements for a good boiler

A: Requirements for a good boiler:

Q: 2. Enumerate the function of a. Boiler Water Treatment Tank b. Cooling Tower 3. What is a Water…

A: Boiler water treatment tank function is to : 1. Control the hardness of boiler water. 2. Condition…

Q: Q4//A// What are the advantages of: reheater, economizer, fixed row of steam turbine.

A: The purpose of all these process/ equipments like reheating, economizer, regenration, row of steam…

Q: Superheating process .8 should not exist in the cycle to keep it working efficiently. is necessary…

A: To choose: The correct answer. Explanation: Superheating process: The refrigerating effect in the…

Q: ate be used in a heating system?

A: NOT is a logic gate that negates the input and supplies that as output

Q: f heat

A: given: What is cop of heat pump?

Q: How to steam flow control in Hydroelectric Plants

A: A hydroelectric plant is operated by Water. There is not steam in hydroelectric plant. Steam is…

Q: heat engine operates

A: Answer= 40%

Q: Most of the heat in waste heat boiler is absorbed by steam at Select one O a economizer

A: Given:Waste heat boiler

Q: Is it true they reject the remaining waste heat to a low-temperature sink

A: GIVEN: Is it true they reject the remaining waste heat to a low-temperature sink

Q: (COP) of the heat pump is

A: Given data; Temperatures T1>T3>T2Heat pump receives the entire work output (W) of the heat…

Q: What recommendation would you suggest for improving the performance of the ground-source heat pump

A: The performance of ground source heat pump can be improved by

Question

In a hot water system expansion / vent pipes are installed on the cylinder and boiler because they ____________.

a.) Prevent air locks b.) Stop built-up of line c.) Supply cold water d.) Release excess steam and water.

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 with 1 images

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

when taking a HP boiler off line, open the drum vent valve _____ a) at 25 psi b) immediately c) at 85% of header pressure d) whenever you're good and ready
Q3) give the short answer for the questions below; a) Growth the frost over evaporator surface lead to decrease freezer temperature. b) Using copper tube type-k in the shell and tube heat exchanger c) Make a vacuum pressure for the vapour compression cycle (refrigeration system) before charging with refrigerant (give the value of vacuum pressure) d) Age of compressor depending on the number of turn-on and turn- off, not depended on the working time. e) Skin type condenser favorite more than other type of static condenser in the chest freeze f) Draw the relationship between time and difference temperature for the conventional refrigerator cycle control and inverter refrigerator electrical behavior control.
It is feasible to reuse the heat from the condenser and use it for domestic heating. a) Yes b) No This type of open compressor can have more than one speed. b) directly driven a) belt driven c) hermetic
f) Differentiate Fire tube boilers and Water tube boilers.
Should the bulb of the thermostatic valve be positioned just below the inlet duct? aspiration? b) No a) Yes The hot gas defrost method uses heat from: c) make-up water b) electrical resistances a) hot compressor refrigerant When the refrigerated space has been allowed to heat up to a temperature higher than the desired one, the system must go through a process outside the normal design conditions to regain its normal operation, this process is called: c) hot drop a) overheating b) subcooling
1. An air-source heat pump is a heat-pump system that uses air: a. as the system refrigerant. b. as the heat source when operating in the cooling mode. c. as the heat sink when operating in the heating mode. d. as the heat source when operating in the heating mode. 2. According to the Department of Energy, duct leakage can result in a energy loss? a. 10% b. 20% c. 30% d. 40% 3. As the outside ambient temperature drops, the efficiency of a heat-pump system operating in the mode will: a. heating, drop b. heating, rise c. cooling, rise d. Both a and c are correct.
Which one of the following statement is correct for steam nozzle? a. Outlet velocity of the steam is greater than inlet velocity of the steam b. Work done by the steam nozzle O C. The height difference between inlet and outlet nozzle is more o d. Heat is rejected by the steam nozzle
This type of compressor is commonly used in air conditioning systems in large buildings. b) screw a) centrifugal c) hermetic How to install the bulb of the thermostatic valve to the suction pipe. b) vertical c) diagonal a) horizontal
b) Write the differences between the boiler mountings and accessories.
Out of 100% energy injected into steam boiler, how many percentage goes into flue gas waste? a. 28% b. 33% c. 15% d. 20%
Which list states the correct order of components for the absorption refrigeration? A) Evaporator, then absorber, then concentrator, then condenser. B) Absorber, then condenser, then evaporator, then concentrator. C) Condenser, then absorber, then concentrator, then evaporator.
Name the three common sources of heat for heat pumps.