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the same manometer and fluid as in prob 664 is used to measure the same differential pressure but in air at 05 atm and
a 15-cm-long tube has an inside diameter of 10 mm and is connected to a transducer which has a volume of 12 ml if the
1 what particular flow-measurement situations are adapted to the hot-wire anemometer2 how would one go about
1 a precision bourdon tube is stated to have an absolute accuracy of plusmn01 percent of full-scale reading of 1 mpa
1 what basic methods are used for calibration of flow-measurement devices2 what is meant by a positive-displacement
1 what is a sonic nozzle how is it used what are its advantages and disadvantages2 why is a rotameter called a drag
1 upon what does the sensitivity of the schlieren depend2 what is the primary advantage of the laser anemometer3 what
1 a flow rate of 1 kgs of air at 30 atm and 20c is to be measured with a venturi and an orifice select appropriate size
1 a rotameter is available with several bobs of variable densities if the meter will be used for measuring the flow of
1 distinguish between the fahrenheit and celsius temperature scales2 upon what principle does the mercury-in-glass
1 what is the see beck effect2 state the law of intermediate temperatures for thermocouples3 why is a reference
1 why does self-heating cause a problem with rtds why is it of lesser importance with thermistors2 why is emissivity
suppose the flow system in probs 760 and 761 is fluctuating such that the differential pressure varies over a range of
a fluid-expansion thermometer uses liquid freon c 022 btulbm middot f rho 852 lbmft3 enclosed in a 025-in-id copper c
a thermopile of chromel-alumel with four junction pairs is used to measure a differential temperature of 40f at a
a radiant energy measurement is made to determine the temperature of a hot block of metal the emitted energy from the
a millivolt recorder is available with a total range of 0 to 10 mv and an accuracy of plusmn025 percent of full scale
1 a chromel-alumel thermocouple is exposed to a temperature of 1560f the potentiometer is used as the cold junction and
1 for a certain thermistor beta 3420 k and the resistance at 200f is known to be 1010 plusmn 3 omega the thermistor is
a bimetallic strip of yellow brass and monel 400 is bonded at 120f the thickness of the yellow brass is 0014 plusmn
suppose the bimetallic strip in prob 83 is used to indicate temperatures of 150 200 and 300f the tip of the strip is
1 what are the major disadvantages of rtds2 calculate the temperature at which the fahrenheit and celsius scales
a heavily oxidized aluminum plate is exposed to a flow stream having a heat transfer coefficient of 50 wm2c the plate
a thermocouple data logger has a built-in circuit to compensate for the temperature of the connecting board which is
1 a thermometer having an emissivity of 09 is placed in a large room and indicates a temperature of 25cthe walls of the