Description : Which of the following instrument can be used for measuring speed of a submarine moving in deep sea? (A) Venturimeter (B) Orifice plate (C) Hot wire anemometer (D) Pitot tube
Last Answer : Answer: Option D
Description : Flow of water in a pipe about 3 metres in diameter can be measured by (A) Orifice plate (B) Venturimeter (C) Rotameter (D) Pitot tube
Description : In a/an __________, the flow rate of fluids is obtained by measuring the difference between the impact and the static pressure. (A) Rotameter (B) Pitot tube (C) Venturimeter (D) Flow nozzle
Last Answer : (B) Pitot tube
Description : Speed of a submarine in deep sea & that of an aeroplane is measured by a/an (A) Pitot tube (B) Hot wire anemometer (C) Rotameter (D) Stroboscope
Last Answer : (A) Pitot tube
Description : Bernoulli's equation is applied to (A) Venturimeter (B) Orifice meter (C) Pitot tube (D) All of these
Description : Which is not a variable head meter? (A) Venturimeter (B) Pitot tube (C) Rotameter (D) None of these
Last Answer : (C) Rotameter
Description : Water flow rate in a pipe of 3.5 metres diameter can be most economically and conveniently measured by a/an (A) Pitot tube (B) Venturimeter (C) Orificemeter (D) Rotameter
Description : The pressure head of a flow meter remains constant for (A) Venturimeter (B) Orificemeter (C) Rotameter (D) Pitot tube
Description : Which of the following can be used for the direct measurement of volumetric flow rate of slurry? (A) Venturimeter (B) Orificemeter (C) Rotameter (D) Pitot tube
Description : Which of the following may be termed as a variable orifice flow-meter? (A) Rotameter (B) Pitot tube (C) V-notch (D) All (A), (B) and (C)
Last Answer : (A) Rotameter
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 : The best instrument for measuring the velocity of a stream flow is (A) Pitot tube (B) Price's current meter (C) Surface float (D) Sub-surface float
Last Answer : Answer: Option B
Description : Which of the following statement is wrong? (A) A flow whose streamline is represented by a curve is called two dimensional flow. (B) The total energy of a liquid particle is the sum of potential energy, ... (D) A pitot tube is used to measure the velocity of flow at the required point in a pipe.
Last Answer : Answer: Option C
Description : Which of the following instruments is used to measure flow on the application of Bernoulli's theorem? (A) Venturimeter (B) Orifice plate (C) Nozzle (D) All of the above
Description : Out of the following flow measuring devices, which one incurs themaximum installation cost as well as pressure loss? (A) Flow nozzle (B) Venturimeter (C) Rotameter (D) Orificemeter
Last Answer : (B) Venturimeter
Description : Which of the following flow measuring devices is an area meter? (A) Venturimeter (B) Orificemeter (C) Anemometer (D) Rotameter
Last Answer : (D) Rotameter
Description : Which is the most efficient and best for measuring very small flow rate of gases? (A) Venturimeter (B) Orificemeter (C) Rotameter (D) Flow nozzle
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
Description : Which of the following is used for very accurate measurement of flow of gas at low velocity? (A) Pitot tube (B) Rotameter (C) Segmental orificemeter (D) Hot wire anemometer
Last Answer : (D) Hot wire anemometer
Description : Bernoulli’s equation does not apply to the functioning of a/an (A) Venturimeter (B) Orificemeter (C) pitot tube (D) None of these
Last Answer : (D) None of these
Description : Air velocity in ducts can be measured by using and manometer a) Orifice meter b) Borden gauge c) Pitot tube d) Anemometer
Last Answer : Pitot tube
Description : The most suitable flow measuring device for the fluid flow measurement in a very large diameter pipeline is a (A) Weir (B) Pitot tube (C) Kennison nozzle (D) V-notch
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 : What instrument is used to measure atmospheric pressure? A. Pitot tube B. Wind vane C. Barometer D. Manometer
Last Answer : Barometer
Description : Which of the following is NOT an instrument used to measure pressure? A. Bourdon tube B. Pitot tube C. Aneroid D. Manometer
Description : Flow measurement in an open channel is done by a/an (A) Venturimeter (B) Orificemeter (C) Weir (D) Rotameter
Last Answer : (C) Weir
Description : . It is possible to integrate an automatic flow controller to a (A) Flow nozzle (B) Venturimeter (C) Rotameter (D) None of these
Description : Open channel liquid flow is most conveniently measured by a (A) Hot wire anemometer (B) Notch (C) Rotameter (D) Segmental orifice
Last Answer : (B) Notch
Description : Compare orifice plate with venturi tube with reference to: (i) Working principle (ii) Construction (iii) Cost (iv) Pressure loss
Last Answer : Venturi Flow Meter vs Orifice Plate Meter
Description : For measuring flow by a Venturimeter, if should be installed in (A) Vertical line (B) Horizontal line (C) Inclined line with flow downward (D) In any direction and in any location
Description : The Richter Scale is used for measuring of – A) Density of liquids B) Speed of Aeroplane C) Intensity of earthquakes D) Depth of mines.
Last Answer : C) Intensity of earthquakes
Description : the fluid flow rate increases, the float of the Rotameter (A) Rises in the tube (B) Rotates at higher speed (C) Rotates at lower speed (D) Drops down in the tube
Last Answer : Option A
Description : Pitot tube is used for measurement of (A) Pressure (B) Flow (C) Velocity (D) Discharge
Description : A pitot tube is used to measure the (A) Velocity of flow at the required point in a pipe (B) Pressure difference between two points in a pipe (C) Total pressure of liquid flowing in a pipe (D) Discharge through a pipe
Last Answer : Answer: Option A
Description : The coefficient of viscosity may be determined by (A) Capillary tube method (B) Orifice type viscometer (C) Rotating cylinder method (D) All of these
Description : Most appropriate instrument for measurement of internal and external diameter of a tube is A. vernier callipers B. micrometer screw gauge C. meter rule D. measuring tape
Last Answer : vernier callipers
Description : The simple Pitot tube measures the __________ pressure. (A) static (B) Dynamic (C) Total (D) None of these
Last Answer : (C) Total
Description : The simple Pitot tube does not measure the (A) Static pressure (B) Dynamic pressure (C) Velocity at the stagnation point (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
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 : The Prandtl Pitot tube measures the (A) Velocity at a point in the flow (B) Pressure at a point (C) Average flow velocity (D) Pressure difference in pipe flow
Last Answer : (A) Velocity at a point in the flow
Description : The pitot static tube does not measure the __________ pressure. (A) Static (B) Total (C) Difference in static & dynamic (D) All (A), (B) and (C)
Description : Explain the working of a Pitot tube.
Last Answer : The pitot tube measures the velocity at point in the conduct. If quantity rate measurement is desired, it must be calculated from the ratio of average velocity to the velocity at the point of measurement. ... will be a measure of the impact pressure and therefore of the velocity of the stream oil.
Description : The instrument which uses sound waves to measure the depth of oceans is – (1) Radar (2) Sonar (3) Altimeter (4) Venturimeter
Last Answer : (2) Sonar Explanation: The instrument which uses sound waves to measure the depth of oceans is sonar. Sound waves can travel much faster from one point to another. Sound waves are far more ... Sonar may also be used in air for robot navigation, and SODAR is used for atmospheric investigations.
Description : The instrument which uses sound waves to measure the depth of oceans is (1) Radar (2) Sonar (3) Altimeter (4) Venturimeter
Last Answer : Sonar
Description : A precautionary landing is a procedure that: a. Enables the aeroplane to land at the destination with unserviceabilities that prevent a normal instrument approach being carried out b. Enables a ... not properly lowered d. Is carried out in the event of landing at an alternate aerodrome
Last Answer : b. Enables a landing after the declaration of a state of emergency or urgency
Description : Cd for the orifice plate varies from (A) 0.58 to 0.8 (B) 0.93 to 0.98 (C) 0.2 to 0.3 (D) 0.02 to 0.03
Last Answer : (A) 0.58 to 0.8
Description : How Do You Identify The H. P. Side Or Inlet Of An Orifice Plate In Line?
Last Answer : The marking is always done H. P. side of the orifice tab which gives an indication of the H.P.side.
Description : Pressure is measured with the help of A. Manometer. C) Thermocouple. B. Ammeter. D) Orifice plate.
Last Answer : manometer
Description : How do you identify the H. P. side or inlet of an orifice plate in line?
Last Answer : The marking is always done H. P. side of the orifice tab which gives an indication of the H. P. side.
Description : Describe the construction of orifice plate flow meter.
Last Answer : It is variable head flow meter in which the differential pressure is developed by using orifice plate by inserting it in the path of the fluid flow. Orifice meter is as ... measurement of differential pressure. Thus differential pressure (p1-p2) is directly proportional to the flowrate.