Liquid displacement - Study guides, Class notes & Summaries

HVAC FINAL Exam Questions With Verified Solutions. Which of the following would have the greatest effect on the heat content of the refrigerant? A) The refrigerant's humidity B) The refrigerant's state C) The refrigerant's temperature D) The refrigerant's pressure - answerCorrect Answer B) The refrigerant's state A mechanical refrigeration system cools a room by: - answerRemoving heat from the room. The four types of cooling mechanisms are: - answerEvaporative, Thermoelectric, Ab...

CAMRT 2023 EXAM QUESTIONS WITH COMPLETE SOLUTION Why include ant ST on lat Cspine - CORRECT ANSWERS Pre verterbal fat stripe- widening=#, mass, inflammation Air gap technique - CORRECT ANSWERS reduces scatter, increases contrast IP 10-15 cm away from pt mAs increase 10% for every cm gap Not effective with high kV why expiration with pneumo - CORRECT ANSWERS reduces lung vol, pneumo occupies larger area- easier to see...

Commercial Refrigeration FINAL TEST Questions with Verified Answers A SORIT, BEPR, or CDA valve may be used as a ____ valve Evaporator pressure regulating (EPR) A typical low temperature rack maintains a suction temperature of ____ -25 degrees F ARI Standard 710-86 specifies flow rates through a filter drier at a pressure drop of _____ 1 Psig How are the disadvantages overcome in compressors that are employed in low temperature applications? Use supplementary cooling How are t...

AC-HPAT Chemistry Questions With Complete Solutions double-displacement reaction A double displacement reaction, also known as a double replacement reaction or metathesis, is a type of chemical reaction where two compounds react, and the positive ions (cation) and the negative ions (anion) of the two reactants switch places, forming two new compounds or products Precipitate precipitate is an insoluble solid that emerges from a liquid solution. The emergence of the insoluble solid from so...

aqa as physics – mechanics exam questions and answers Weight Mass x Gravitational Field Strength Vector A quantity with size and direction Scalor A quantity with size only Newton's 2nd Law Resultant Force = mass x acceleration Displacement Position of an object relative to an origin Average Speed Distance Travelled / Time taken Instantaneous Speed distance travelled in an instant / time duration of an instant Average Velocity Change in displacement ...

Edexcel iGCSE Chemistry, question and answer with rated solution Experiment for Diffusion? 1) HCl placed at one end of the test tube, ammonia solution at the other. 2) Where they meet, a ring of Ammonium Chloride appears. 3) The diagram shows that the ammonia is closer to the ring, showing that ammonia must have travelled faster, showing it's a lighter gas. Experiment for Dilution? 1) Put a coloured substance in a solvent e.g food colouring in water. 2) Over the time, the colour le...

What happens when room temperature soda is poured into a glass of ice ? - Answer-The ice melts because it is absorbing heat from the soda . The compressor in a refrigeration system - Answer-pumps the refrigerant throughout the system To control ice build - up on a heat pump outdoor coil in the heating cycle a ______ is used . - Answer-pressure differential switch The total pressure of a confined mixture of gases is the sum of the pressures of each of the gases in the mixture . This is k...

2 © OCR 2023 Section A You should spend a maximum of 20 minutes on this section. Write your answer to each question in the box provided. 1 Which reactions can be catalysed by an enzyme? A Combustion reactions B Electrolysis of metal ores C Reactions in biological systems D Reactions of metals with acids Your answer [1] 2 Which row correctly describes the Group 0 elements? Physical state at 25°C Reactivity A gas very reactive B gas very unreactive C liquid very reactive D liquid...

AC-HPAT Chemistry Latest Versions Graded A+ double-displacement reaction A double displacement reaction, also known as a double replacement reaction or metathesis, is a type of chemical reaction where two compounds react, and the positive ions (cation) and the negative ions (anion) of the two reactants switch places, forming two new compounds or products Precipitate precipitate is an insoluble solid that emerges from a liquid solution. The emergence of the insoluble solid from solut...

Density - Answer This equals the mass of an objects * its volume. The unit for this is g/mL. Water Displacement - Answer How do you find the volume for an irregular object? Warm - Answer This type of air/water/magma rises because it's less dense Cold - Answer This type of air/water/magma sinks because it's more dense Pressure - Answer What else increases when density increases? 1g/mL - Answer What is the density of liquid water? Liquid - Answer This form ...