A compression test gave the following results: cylinder #1 = 155, cylinder #2 = 140, cylinder #3 = 110, cylinder #4 = 105. Technician A says that a defective (burned) valve is the most likely cause. Technician B says that a leaking head gasket could be the cause.

Q: Explain the following terms as they apply to electronic expansion valves:step…

A: The valve used in a refrigeration system to regulate the flow of refrigerant to the evaporator is…

Q: Explain the working principle of working of a gauge used for measuring high pressure in a boiler

A: The gauge used to measure the pressure of high-pressure boilers is the Bourdon tube pressure gauge.…

Q: What are the functions/operations of a combination valve?

A: A combination valve is a mechanical component that serves multiple purposes when installed on the…

Q: 126) Technician A says all gaskets should be discarded during teardown to keep the work area clean.…

A: According to the technician A , all the gaskets should be discarded during teardown ,it is not…

Q: - Distinguish the major differences between centrifugal compressors and axial compressors - List the…

A: The major differences between the centrifugal compressor and axial compressors are given as, (1) In…

Q: Identify the true statement from the following O Venturimeter is a rate of flow measuring instrument…

A: # Venturimeter is used for flow measuring not for Rate of flow so this statement wrong #venturimeter…

Q: Technician A says all gaskets should be discarded during teardown to keep the work area clean.…

A: Gasket : A gasket is a mechanical seal i.e it is used to close up the gap between two mating…

Q: The primary function of a way valve is to pressurize and exhaust two working ports A and B…

A:

Q: Hydraulic valves and their actuators are more in weight and can handle less amount of pressure.…

A:

Q: Valves are favored because of their lower cost and lighter weight poppet plug ball Ο Ο Ο Ο butterfly…

A: Option (d) is correct : Butterfly

Q: What do the letters: A, B, P, T, E stand for in relation to a four-way valve?

A: The 4-Way Directional Valve block represents a directional control valve with four ports and three…

Q: One way to prevent leaking from glove valves in a Halocarbon refrigeration system is to employ…

A:

Q: In an IC engine the inlet valve diameter will be bigger than the outlet valve ? Select one: O True…

A:

Q: ‏Why always in production of engines the inlet valves are larger than exhaust valves?

A: The exhaust is smaller because the engine compressed the air and fuel mixture and burned it, so it…

Q: 17 Which of the following relief valves is designed to vent refrigerant under excessive pressure and…

A: Which of the following relief valves is designed to vent refrigerant under excessive pressure and…

Q: how does a pilot check valve differ from a simple check valve

A: The check valves are used for the seal age purpose in the closed position. The valves are used for…

Q: What are the funtions of an isolation/dump valve?

A:

Q: Formerly it was very common to determine the capacity of a valve; however, it is currently…

A: The correct answer is b) Flow factor

Q: Explain the difference between pressure limiting valves and sequence valves

A:

Q: 38) Technician A says that most pressure regulating valves work by balancing hydraulic pressure…

A: In pressure regulators the hydraulic pressure is balanced by spring force. In this system fluid…

Q: Choose correct answer: A single way valve that lets air into the pneumatic system, but doesn’t…

A: the correct answer is check valve.

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

A:

Q: 7.2 Explain the principle of a pilot-operated valve. 7.3 Explain how a sequential valve can be used…

A:

Q: 1. Please tell which of the control valves the following symbols are? XHU PT ) ( P₁- ) ( P₂ )

A: Note: Since you have asked multiple question, we will solve the first question for you. If you want…

Q: Select the correct option Formerly it was very common to determine the capacity of a valve; however,…

A: Given:

Q: True or false flow rate control valve is the type of valve which is used to control the speed of an…

A: Flow rate valves: The valves that are use to control the flow rate and pressure of the fluid inside…

Q: What safety feature does the curcuit possess in addition to the pressure relief valve

A: A hydraulic circuit is a device that moves liquid via a network of separate components. This…

Q: which of the following statements regarding relief valves is not true? A. A blown fusible plug must…

A: Which of the following statements regarding relief valves is not true? Answer: D. Spring-loaded…

Q: Choose correct answer: Which one of the following devices creates only flow? An external gear…

A: External gear pumps are  used for pumping water and other fluids. They are preferred in applications…

Q: Describe this control valve, select specific answers Sol A

A: From Above Diagram it consists of Hydraulic Control Valve 2 - Positions 4 - Port Spring Return…

Q: Match the correct port/hole with its function in a pressure regulator v inlet port A. this is where…

A: As per question  We have to matching correct options

Q: 1- Explain with sketch the relief valve and its work 2- Explain with sketch the types of pressure…

A: GIVEN DATA- DIFFERENT TYPES OF VALVE GIVEN USED IN HYDRAULIC SYSTEM WE HAVE TO EXPLAIN IT WITH…

Q: Which of the following prevents rapid switching on and off control valves in pressure control…

A: Pressure control systems are designed to control the value of force produced by a fluid flow.…

Q: describe the operatoin of a digital   EGR valve

A: Digital Exhaust Gas Recirculation (EGR)valve :-The EGR system works by returning a small portion of…

Q: 13-What is the purpose of air pressure regulator? 14-What is the function of relief valve in a…

A:

Q: The rate of discharge through the nozzle DECREASES when the exit pressure is gradually reduced.

A:

Q: Topic: Pneumatic Systems   Explain the following in at least 10 sentences: How do relief valves…

A: A "relief valve" or "pressure relief valve (PRV)" is a safety valve which is used in pneumatic…

Q: pressure from the indicator diagram using a  planimeter? 6.) Besides from planimeter what other way…

A:

Q: Which measure does not necessarily increase the boiler efficiency? Please choice one below :…

A: Which measure does not necessarily increase the boiler efficiency? Please choice one below :…

Q: What is the purpose of a check Valve?

A: The purpose of a check valve is to prevent back flow in piping system. It allows fluid to flow only…

Q: Select the correct option Formerly it was very common to determine the capacity of a valve; however,…

A: the correct option is b (flow factor)

Q: what is a pressure reducing valve ? What is its purpose?

A: GIVEN DATA- Pressure reducing valve given we have to defined it

Q: Sketch and explain the valve and port timing diagrams

A: valve and port timing diagrams

Q: What is the function of one way flow control valve

A: A control valve is a valve that regulates fluid flow by changing the size of the flow passage in…

Q: The movement of a cylinder is changed by changing the direction of flow, this is done with the use…

A: GIVEN DATA  A MCQ IS GIVEN OF HYDRAULIC/PNEUMATIC TOPIC  WE HAVE TO CHOOSE CORRECT OPTION

Q: Which gas leakage do you think poses a greater risk for fire? Explain

A: Propane gas leakage poses greater risk for fire.

Q: Hydraulic hose couplings do not seal on their connecting threads. They seal on the mating of two…

A: Water-powered hose couplings don't seal on their interfacing strings.  They seal on the mating of…