1. There are two factors affecting the separation of the target from background are a. Temperature and volume b.Temperature and moisture c. Temperature and size d. none of above.
Q: 5. Why is it that when you blow over a piece of paper it lifts up? a. Air moves faster over the top…
A: Why is it that when you blow over a piece of paper it lifts up?
Q: 1.) The temperature is 14 F. From 7 AM to noon, the temperature increased 2'F every hour. what was…
A: The temperature at 7 AM = 14o F increase in temperature = 2o F every hour
Q: 1. Choose the wrong statement(s) among the following regarding phase transition:A. Temperature…
A: The objective of the question is to identify the incorrect statement(s) about phase transition from…
Q: 2. Calculate the melting point of ice under a pressure of 10 MPa in Kelv density of ice under these…
A: GivenP=10 MPa
Q: 2. At what absolute temperature (K) is Fahrenheit (F) temperature twice the Celsius temperature (C)?
A: The temperature in Fahrenheit and degree Celsius are are related as, F=95C+32 Here, F is the…
Q: 5. What is the correct temperature for quenching AISI C1095 tool steel? For any carbon steel?
A: Quenching:- One form of metal heat treatment procedure is quenching. A metal is quenched by being…
Q: The absolute humidity at atmospheric pressure at 25 ° C is 0.017 kg water / kg dry air. Specify: a.…
A: atmospheric pressure (Patm) =101.32kPa. Temperature (T) = 250C=298K.
Q: 5. The surface temperature of the Sun is about 5750 K. Wha is this temperature on the Fahrenheit…
A: Given: Temperature of Sun in kelvin is 5750 K. To find: Temperature on Fahrenheit scale.
Q: 3. For Carbon Dioxide gas at STP, find the value of p in Ib/ft? c. 0.1123 a. 0.0051 b. 0.0816 d.…
A: Given, Carbon Dioxide gas at STP
Q: What usually happens when vapor condenses into liquid? a. it absorbs heat b. it rejects heat c. its…
A: Solution: Step1 - Here we will understand the concept that will be used to solve the question. As we…
Q: 4- The density of mercury pHG (kg/m³ ) as a function of temperature is given by the equation PHG =…
A: GivenThe density of mercury as a function of temperature is given byequationρHg=13595-2.5THere T in…
Q: 5. Winds warmed by compression that descend the castern slopes of the Rocky Mountains are known as…
A: 26.45 degrees celsiusExplanation:
Q: Mercury is commonly used as a thermometric fluid rather than water because: A. specific heat of…
A: Mercury is used in thermometers as a thermometric fluid because mercury is the only metal which…
Q: As the temperature increases, which of the following statements is correct? * (1 Point) b. Specific…
A: Density is m/V (mass over volume); if volume increase, density decrease. Thus an increase of…
Q: How is heat transfer related to temperature
A: Heat is form of energy that is transferred from hotter to cooler objects that are in contact with…
Q: A news report says weather in Jebel Shams reaches a minimum temperature of -4°C. What is this value…
A: Given: The temperature on the celsius scale is -4oC.
Q: What is the absolute temperature reading in Kelvin(K), if the arbitrary temperature °C reading is…
A:
Q: 5. The tendency of matter to change in length, area and volume in response to a change in a…
A: Thermal expansion- It is a tendency of a matter where matter change its shape,volume and area with…
Q: At 9000 m above sea level the density of air is only about %. a. 50 b. 75 c. 35 d. 65
A: The answer is 35%
Q: 1. Find the variation of atmospheric pressure with elevation in the earth’s atmosphere. Assume that…
A:
Q: Indicate the mechanism of thermal energy transfer that takes place in each case. A. Heating of…
A: (A) The heating of the seawater by energy from the Sun is the combination of radiation and…
Q: 4. Which answer describes a way that a liquid can be turned into a gas? A. Apply enough heat to…
A:
Q: What should be the temperature of supply air of the all air reheat if the temperature requirement of…
A: Given : Choose correct option about temperature of supply air
Q: 4. The atmosphere on a cold winter day in the mountains of Wyoming is -30 degrees Celsius at an…
A: the density of the air is, ρ=PRT=1.013×105 Pa287 J/kg K273 K+-30=1.45 kg/m3
Q: 1. Variations in temperature and resulting changes in pressure are the main drivers of motion in the…
A: Variations in temperature and resulting changes in pressure are indeed the main drivers of motion in…
Q: 1. Explain the phase change of the cubes of ice turned into water vapor.
A: At first fusion occurs ie with increase of temperature the ice reaches to temperature 0°C and start…
Q: 3. A 4-lb prime rib was initially warmed in a microwave oven and then immediately placed in a…
A: Given:Ambient temperature of regular aven, Ta = 350oFat time, t= 1 hr ,temperature of rib is, T1 =…
Q: 8. Heat normally travels from? a. Low to high temp. b. High to low temp. c. Both a and b d. None of…
A: solution as
Q: A spherical 24-in.- diameter balloon contains helium at 72°F. What is the mass of helium in the…
A:
Q: An increase in temperature of the water may cause other changes. An increase in surface water…
A: Rate of evaporation
Q: A copper rod is 20 cmlonger than an aluminum rod . How long should the copper rod be if the…
A: Linear thermal expansion is the variation of the linear dimensions of a material with the increase…
Q: 3. Classify The following statement as a theory or a law:Heating the air in a hot-air balloon causes…
A: To find if the statement is a theory or law.
Q: 24) It is necessary to determine the specific heat of an unknown object. The mass of the object is…
A: We have an object of mass m=201 g=0.201 kg and it is given that heat required to raise the…
Q: 32. Farmers often spray water on a crop to prevent freeze damage when the air temperature drops well…
A: When water undergoes a phase change from liquid to solid (freezing), it releases heat in the process…
Q: An observer sees a lightening flash from a distant thunderstorm and 12 seconds later hears the…
A:
Q: 5. A weather balloon is released and later reports a temperature of 8 °C and pressure of 0.900 atm.…
A: Given data: T1=8°CP1=0.9atmT2=16°CP2=0.995atm Need to determine the atmosphere stability class.
Q: What is the absolute temperature reading in Kelvin(K),
A: Here we are going to find Absolute temperature in kelvin
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