How are mechanical cooling system clutch fans often engaged? Select one: a. A ratcheting mechanism b. A viscous fluid C. A pneumatic actuator d. A pressure switch

Q: Name at least five different materials that are used in a refrigerator.

A: List of five materials which are used in a refrigerator are:   1. Aluminum  2. A metal sheet  3.…

Q: (a) Explain the principle of refrigeration system and its components in not less than 200 words.

A: The refrigeration principle and components of system

Q: Q 4. With the automobile compressor operating and little or no refrigeration needed, the low side…

A:

Q: Explain the lay out and the basic operation of a centralized air conditioning system (or chiller…

A: One of the most easy and energy-efficient methods to escape the hot, humid summer weather in…

Q: 14. The purpose of a crankcase pressure regulator is to D. sp 20. A devi comp and d A. ensure that…

A: Crankcase pressure regulator is a device which prevents overloading of compressor.

Q: Problem 3 For the system to the right, why would we want to heat the hot water heater using the HVAC…

A: HVAC stands for heating, ventilation, and air conditioning, first and foremost. This system heats…

Q: Compare and contrast the control system for a domestic central heating system involving a bimetallic…

A: Bimetallic thermostat These instruments consist of bimetallic strips. Bimetallic strips are from…

Q: a) Volume flow rate of air supply to space b) Latent heat gain of space c) Cooling load of air…

A:

Q: arate preheater was p from its –2°F design

A: Data we have   v=9000 = cfm 9000 ft ³/min 9000(12 *0.0254)³/60 V = 4.2475 m³/sec W.K.T  Density of…

Q: Advantages of pressurized cooling system

A: Given Data : Pressurized cooling system

Q: Define intercooler and explain its function

A: Intercooler: It is a mechanical device which is used to cool a fluid in between the successive heat…

Q: In a  geothermal plant operation ,  which device is suitable for converting   vapor into liquid  .…

A:

Q: (a) What is mean by the natural frequency of vibration in a spring mass system

A: Dear student, we are suppose to solve only one question. Please post other question as a separate…

Q: Air Service Unit comprises of O a. Pressure Reducing Valve O b. Filter Regulator Lubricator. С. O C.…

A: Air service unit is placed after a compressor in a pneumatic system. The main function of this unit…

Q: What are some criteria that need to be considered in the selection of a refrigerant? Please choose…

A:

Q: While discussing the different types of pressureplates: Technician A says that coil spring types…

A: Option D is the correct naswer

Q: controls on/off of the motor, when the air compressor tank reaches the specified bar.

A: Compressed and filtered air enters the tank after coming out of the Air compressor

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

A:

Q: 1. a) A centralised air-conditioner is commonly employed in a large building. Describe seven (7)…

A: This form of air conditioner is more difficult to install than a wall air conditioner, the price is…

Q: True or False: The defrost timer motoroperates continuously in Figure 6.18.

A: EFM = Evaporator fan motorC = CompressorLPS = Low - Pressure switchHPS = High-pressure switchCFM =…

Q: What is the function of safety valve?

A:

Q: When the compressor and motor operate on the same shaft and are enclosed in a common casing is known…

A: This question is based on the concept of semi hermetic sealed compressor

Q: Explain the working principle of thermocouple.

A: The working principle of thermocouple is based on three effects, discovered by Seebeck, Peltier and…

Q: 5. The velocity range of the air required for comfortable cooling purposes: a) 25 to 35 fpm b) 20 to…

A: the answer in second step

Q: Explain the layout and the basic operation of a centralized air conditioning system (or chiller…

A:

Q: Explain in detail the working of chilled water fan coil unit after it receive water from district…

A: Chilled Water Fan Coil Units:  This system of comfort cooling uses a centralized chiller to produce…

Q: If the compressor and condenser fan motor will not operate but the indoor fan motor is operating,…

A: A condenser is a device or unit used to condense a gaseous substance into a liquid state through…

Q: The contact factor for a heating coil-36

A: The contact factor of heating is coil can be determined by the efficiency for dehumidification. The…

Q: What is Belt-conveyor system?

A: The belt conveyor system is essential in a material handling industry. It is used to transport bulk…

Q: 1-Can the (watt )regulator be used for higher speeds? 2-What does regulator stability mean?

A: 1. No, the fan consumes the same amount of current operated at different speeds. As when you control…

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A:

Q: Heavy internal springs are used to establish the operating pressure of the -operated type of…

A: In  hydraulic system pressure is controlled by metering the flow of fluid into or out of…

Q: (a) State the main advantages of toothed clutches.

A: ClutchA clutch is a mechanical device that is employed in automobile application to interact and…

Q: Select the most accurate system from the following, O a. Lamp with on/off switch O b. Room heating…

A: the most accurate system in the above are lamp with on and off because other systems are works with…

Q: 3. (a) Define and classify steam generator. (b) Show with neat sketch the pressure distribution of…

A: A steam generator is used to generate steam at a specified rate and specified pressure and…

Q: Brief the Mechanical refrigeration system highlighting the working principle, process, components…

A: Vapor-compression refrigeration is based on the Second Law of Thermodynamics, heat energy does not…

Q: If the main wire (coil) to the distributor and the coil to the switch are broken, replace them and…

A:

Q: What are the basic 3 phenomena that can occur in a thermocouple circuit ?

A: 3 basic phenomena that can occur in a thermocouple circuit-  Seebeck effect- It is a phenomena in…

Q: Which component is primarily responsible for the pressure in a cooling system? Select one: a. The…

A: Answer: Option (c) The radiator cap The radiator cap is the component that is primarily responsible…

Q: In a viscous clutch, when the silicone fluid is heated, it ______.a. becomes a very thin fluidb.…

A: When the silicone fluid is heated in a viscous clutch then the silicon tends to stiffen. This…

Q: Draw the symbol of compressor with FRL and pressure switch with required specifications and also…

A: Symbol of FLR:

Q: Explain why the outside air damper is typically nevercompletely closed, even when the outside air…

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Q: 6   In absorption cooling system, Water can never be used as working fluid. Select one: True…

A:

Q: States of process plant for which the alarm must be designed.

A: Given information:

Clutches, Brakes, Couplings, and Flywheels

The clutch is described as a machine element used to connect or disconnect two shafts together to transmit torque or power. The clutch works on the principles of friction. The clutch is commonly used in automobiles to transfer power from the driving shaft to the driven shaft.