Rear defrosters generally have a relay with a timer. This allows ___.

Q: True or False: All reciprocating compressors start up fully loaded.

A: Reciprocating Compressors

Q: can we use a wattage regulator for high speeds?

A: Wattage regulator is device to control the speed of a running device.

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: Which of the following is not a problem with cooling towers? 1) Freeze up 2) Water treatment 3)…

A: A cooling tower is a specialized heat exchanger in which air and water are brought into direct…

Q: In which type thermocouple sensor, one of the wires is copper?

A: The answer is T type. A thermocouple is an electrical device consisting of two dissimilar electrical…

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

A: Central air conditioning (or central A/C) is a system that cools air in a central place and…

Q: Advantages of pressurized cooling system

A: Given Data : Pressurized cooling system

Q: a) Explain four factors in determining the comfort level for an air conditioning room. Suggest the…

A: there are basically 4 functions of air conditioning. These are 1. temperature control 2. humidity…

Q: What are the two ways in which ventilation can be controlled?

A: Ventilation is basically an opening used to regulate the flow of air to maintain a certain regulated…

Q: Which of the following is NOT the all air system?

A: To find :-  Correct option

Q: how can a hermetic compressor be tested for efficiency

A: Hermetic compressor: In this type of compressor, the compressor and motor are in same unit. It has…

Q: Which process would best represent the opposite ofexhausting air from a system?A. CoolingB.…

A: Given Data : Exhausting air

Q: where is th sensing bulb on a thermostatic expansion valve mounted?

A: Thermostatic expansion valve : It control the amount of refrigerant released into the evaporator. It…

Q: Refrigerant works by absorbing ____ from the environment where cooling is required

A: As the refrigerant absorbs heat from indoor air, it transitions from a low-pressure gas to a…

Q: With the aid of a schematic diagram, show how a liquid-dominated double flash system works.

A:

Q: Which temperature measurement system(s) do(es) not need a power supply? Select all correct answers.…

A:

Q: Discuss the effect of malfunctioning cooling system on IC engines.

A: Solution:

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

A:

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: Thermostatic Expansion Valve (TEV) is .6 Constant opening type O variable opening type C both of…

A: A thermostatic expansion valve (TXV) is a refrigeration and air conditioning throttling device…

Q: Briefly explain what a pH probe is and how it works

A: A pH scale represents the acidic or alkaline nature of a substance. It is between 0 and 14 , where…

Q: a) Free air capacity b) Power of compressor

A:

Q: What is the purpose of the internal overload protector inthe compressor motor?

A: Relays that detect overloads shield the motor, motor branch circuit, as well as motor branch circuit…

Q: At cooling capacity greater than 50 tons of refrigeration 1 2 Eco friendly 3 A single unit capacity…

A: The solution is attached below:

Q: he type of heat engine which can be used in solar dish-engine system is O a. Petrol engine

A: Option (b) is correct.  Stirling engine

Q: Under what conditions, an absorption machine give less cooling effect?

A: Given question: Under what conditions, an absorption machine give less cooling effect?   The given…

Q: passive isolation system. (t)

A:

Q: The clear flood mode and its uses.

A: Given data : Clear flood mode

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: Define the term subcooled liquid.

A: Introduction: Subcooling is a method of cooling liquids and solids. Subcooling is defined as any…

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: eating apparatus and explai

A: solution of above problem is below:

Q: using temperature control knob. Temperatre contrel k Bimetal Faed ntact Figure 12

A: there are 2 questions in above image.As per answering guidelines and honor code I can answer 1st…

Q: a. The thermostat

A: Correct answer is a. The thermostat.

Q: Why is a low-voltage thermostat normally more accuratethan a high-voltage thermostat?

A: The low and high voltage thermostat are the direct wired heaters. The low voltage thermostat is…

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: 3- To compare the relative ozone definition of various refrigerants uv index called ...

A: given = compare between ozone definition of various refrigerant uv index is called

Q: L Drnlain the function of the Thermostatic Valve' and the 'Exp

A: Write the function of the thermostatic Valve as follows. It is the self that regulates and opens and…

Q: In an on/off pressure control system, which components outputs the process variable (PV) to the…

A: Given Data⇒ On/Off Pressure control system

Q: (a) A pneumatic receiver in Figure 2 with capacity 1000 liters is located outside the building. The…

A: Given data: Capacity of receiver = 1000 liters   Pressure of the receiver at 32°C = P1=12 bar…