Description : What pressure measuring device consists of a coiled hollow tube that tends to straighten out when the tube is subjected to an internal pressure? A. Aneroid B. Manometer C. Bourdon pressure gage D. Barometer
Last Answer : Bourdon pressure gage
Description : Which of the following is NOT an instrument used to measure pressure? A. Bourdon tube B. Pitot tube C. Aneroid D. Manometer
Last Answer : Pitot tube
Description : Air velocity in ducts can be measured by using and manometer a) Orifice meter b) Borden gauge c) Pitot tube d) Anemometer
Description : Draw sketch of Bourdon tube pressure gauge and state its advantages.
Last Answer : Advantages: • These give more accurate results. • Bourdon tube cost low. • Bourdon tube are simple in construction. • They can be modified to give electrical outputs. • They are safe even for high pressure measurement. • Accuracy is high especially at high pressures.
Description : Which of the following manometer has highest sensitivity? (A) U-tube with water (B) Inclined U-tube (C) U-tube with mercury (D) Micro-manometer with water
Last Answer : Answer: Option D
Description : Working principle of manometer comprises of balancing a coloumn of liquid against the pressure to be measured. Inclined tube manometer is especially used for the measurement of __________ pressure. (A) Small differential (B) Atmospheric (C) Absolute (D) Gage
Last Answer : (A) Small differential
Description : Small pressure differences in liquids is measured using a/an (A) U-tube manometer (B) Inclined tube manometer (C) Pitot tube (D) None of these
Last Answer : (B) Inclined tube manometer
Description : Very small pressure difference (< 5 mm water column) can be most conveniently measured by a/an __________ manometer. (A) U-tube water (B) U-tube mercury (C) Inclined tube mercury (D) Inclined tube water
Last Answer : (D) Inclined tube water
Description : State the advantages and disadvantages of Bourdon type pressure gauge.
Last Answer : Bourdon tube: Advantages: 1) Low cost 2) Simple construction 3) Wide pressure range 4) High accuracy in relation with low cost Disadvantages: 1) Low spring gradient 2) Susceptible to shock and vibration 3) Susceptible to hysteresis
Description : The pressure of a liquid measured with the help of a Piezometer tube is (A) Vacuum pressure (B) Gauge pressure (C) Absolute pressure (D) Atmospheric pressure
Last Answer : Answer: Option B
Description : Flow rate of high velocity flue gas discharged through a stack to the atmosphere can be most conveniently measured by a (A) Pitot tube (B) Manometer (C) Rotameter (D) None of these
Last Answer : (A) Pitot tube
Description : In order to increase sensitivity of U-tube manometer, one leg is usually inclined by angle . Sensitivity of inclined tube to sensitivity of U-tube is equal to (A) Sin (B) 1/Sin (C) Cos (D) 1/Cos
Description : D.C. propulsion motor brush pressure depends on the brush grade used and in practice is set with a ______________. A. multimeter B. manometer C. spring scale D. compound gauge
Last Answer : Answer: C
Description : 2. Differential manometer measures the (A) Absolute pressure (B) Gauge pressure (C) Pressure difference (D) Pressure gradien
Last Answer : (C) Pressure difference
Description : Choose the wrong statement. Alcohol is used in manometer, because (A) Its vapour pressure is low (B) It provides suitable meniscus for the inclined tube (C) Its density is less (D) It provides longer length for a given pressure difference
Last Answer : Answer: Option A
Description : Sketch and describe pressure measurement system for 800 mm pressure, that contain Bourdon tube and LVDT.
Last Answer : Diagram: Explanation: The pressure measurement using bourdon tube and LVDT is shown in above figure. In this the, the bourdon tube act as primary transducer and LVDT which follows ... This set up is used for measurement of pressure which is converted into electrical signal by LVDT.
Description : Draw Bourdon tube with LVDT setup for pressure measurement.
Last Answer : Bourdon tube with LVDT setup for pressure measurement.
Description : Pick out the wrong statement: (A) The vacuum pressure is always the negative gauge pressure (B) The pressure of the liquid measured by a piezometer tube is the gauge pressure (C) Manometric ... point at which the resultant pressure on an immersed surface acts, is known as the centre of gravity
Last Answer : (D) The point at which the resultant pressure on an immersed surface acts, is known as the centre of gravity
Description : Correction for capillary effect in manometers (used for pressure measurement) need not be applied, if diameter of the manometer tube is __________ mm. (A) < 4 (B) > 4 (C) > 12.5 (D) < 10
Last Answer : (C) > 12.5
Description : You are given a mercury manometer range 0 -760 mm ? A vacuum gauge reads 60 mm vacuum. The test manometer reads 50 vacuum ? Which of the two in correct.
Last Answer : The transmitter is correct because 760 - 50 = 710 mm abs.
Description : Pressure difference between two points in vessels, pipelines or in two different pipelines can be measured by a differential manometer. The pressure difference measured as the mm of water column in case of mercury-water, differential manometer is ... mm). (A) H (B) 12.6 H (C) 13.6 H (D) 14.6 H
Last Answer : (B) 12.6 H
Description : Pressure is measured with the help of A. Manometer. C) Thermocouple. B. Ammeter. D) Orifice plate.
Last Answer : manometer
Description : Root pressure is measured by (1) Barometer (2) Atmometer (3) Manometer (4) Auxanometer
Last Answer : Auxanometer
Description : Draw constructional details of C-types Bourdon tube and explain its working
Last Answer : Constructional details of C-types Bourdon tube : Explanation:- 1. The Bourdon tubes are made out of an elliptically sectioned flat tube bent in such a way as to produce the above ... pressure. 8. The materials used for Bourdon tubes are brass, phosphor bronze, beryllium copper, and steel
Description : Explain the sketches , the working principle of Bourdon tube.
Last Answer : Working principle of Bourdon tube:- C type bourdon tube is made up of an elliptically flattened tube bent in such a way as to produce the C shape as shown in the fig. One ... terms of pressure. The relationship between the displacement of the free end and the applied pressure is nonlinear.
Description : Draw and describe construction and working of Bourdon tube.
Last Answer : Construction and working : C type bourdon tube is made up of an elliptically flattened tube bent in such a way as to produce the C' shape as shown in the figure. One end (free ... displacement can be indication of applied pressure. Accuracy of this element is higher than C' type element.
Description : Give comparison of Bourdon tube and Diaphragm.
Last Answer : Bourdon tube Diaphragm. Gear drive connects dial reading No gears inside the diaphragm pressure gauge Increased gap between gear and arm affect accuracy Shock resistant and good ... time and money Large range of pressure measurement Small range of pressure measurement
Description : Draw the constructional detail of C type bourdon tube and explain its working.
Last Answer : Explanation : The C-shaped Bourdon tube has a hollow, elliptical cross section. It is closed at one end and is connected to the fluid pressure at the other end. When pressure is applied, ... the maximum operating pressure of the system or portion of the system in which the gauge is installed.
Description : The pressure measured with the help of a pressure gauge is called (A) Atmospheric pressure (B) Gauge pressure (C) Absolute pressure (D) Mean pressure
Description : What instrument is used to measure atmospheric pressure? A. Pitot tube B. Wind vane C. Barometer D. Manometer
Last Answer : Barometer
Description : a gas has a pressure of 766.7 torr at a temperature of 10.0°C. the sample contains 2.35 moles of xenon. what is the volume of the gas in liters?
Last Answer : Using PV=nRT, 10.0ºC = 283.15ºK, R = 62.36 L torr/mol KV= (nRT)/PV = (2.35m*(62.36 L torr/mol K)*283.15ºK)/766.7 TorrV = 54.12 L
Description : How many of the following properties of noble gases would increase from Helium to Radon? Boiling point, First lonisation enthalpy, Atomic volume, Abun
Last Answer : How many of the following properties of noble gases would increase from Helium to Radon? ... Density at STP. Valence electrons, Critical temperature.
Description : A unit of pressure used in high vacuum technology, which is equal to 1mmhg. a. specific heat b. isometric c. isobaric d. torr
Last Answer : torr
Description : Another unit used to measure atmospheric pressure is the “torr”. This is named after the Italian physicist, Evangelista Torrecelli. An average atmospheric pressure is how many torr? A. 740 B. 750 C. 760 D. 770
Last Answer : 760
Description : Liquid "X" is at equilibrium with its vapor in a cylinder and piston apparatus. When the volume of the space above the liquid is 50 ml and the temperature 25!, the vapor pressure of "X" is 120 torr. What will the ... 25!C? Some liquid is always present. w) 30 torr x) 60 torr y) 120 torr z) 240 torr
Last Answer : ANSWER: Y -- 120 TORR
Description : What is the SI unit for pressure? w) Torr x) pounds per square inch y) Pascal z) Kelvin
Last Answer : ANSWER: Y -- PASCAL
Description : What is the SI unit of pressure? w) Pascal x) Torr y) Dyne z) Kelvin
Last Answer : ANSWER: W -- PASCAL
Description : The SI unit of pressure is the: w) Torr x) dyne per centimeter squared y) atmosphere z) pascal
Last Answer : ANSWER: Z -- PASCAL
Description : A Pitot tube indicates 5 cm of water (manometer) when it is being used for measuring velocity of air. The velocity of air in m/sec is (A) 5 (B) 14.1 (C) 56.22 (D) 28.2
Last Answer : (D) 28.2
Description : Compare U tube manometer and well type manometer
Last Answer : U-tube and well type manometer Sr.No. U-tube manometer well type manometer 1 Both legs are having same cross section area Both legs are having different cross section area ... cross section area. 5 Difference in heights in measured. Single height is measured.
Description : A manometer is used to measure (A) Low pressure (B) Moderate pressure (C) High pressure (D) Atmospheric pressure
Last Answer : Answer: Option C
Description : Manometer is used to measure (A) Pressure in pipes, channels etc. (B) Atmospheric pressure (C) Very low pressure (D) Difference of pressure between two points
Description : A differential manometer is used to measure (A) Atmospheric pressure (B) Pressure in pipes and channels (C) Pressure in Venturimeter (D) Difference of pressures between two points in a pipe
Description : A manometer is used to measure (A) Atmospheric pressure (B) Pressure in pipes and channels (C) Pressure in Venturimeter (D) Difference of pressures between two points in a pipe
Description : Differential manometer is used to measure (A) Pressure in pipes, channels etc. (B) Atmospheric pressure (C) Very low pressure (D) Difference of pressure between two points
Description : 08. The vacuum pressure can be measured with the help of a Piezometer tube. A) True B) False
Last Answer : B
Description : The pressure measured with the help of a Piezometer tube is in (A) N/mm2 (B) N/m2 (C) Head of liquid (D) All of these
Description : One Torr is equivalent to how many mm of Mercury? A. 1 mm (Answer) B. 10 mm C. 100 mm
Last Answer : A. 1 mm (Answer)
Description : __________ is used for measuring the static pressure exerted on the wall by a fluid flowing parallel to the wall in a pipeline. (A) Venturimeter (B) Pressure gauge (C) Pitot tube (D) Orificemeter
Last Answer : (C) Pitot tube
Description : 1 torr is equal to A. 1 N⁄m² B. 1 mm Hg C. 1 bar D. All of the above
Last Answer : 1 mm Hg