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 is the most efficient and best for measuring very small flow rate of gases? (A) Venturimeter (B) Orificemeter (C) Rotameter (D) Flow nozzle
Last Answer : (C) Rotameter
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 : Flow measurement in an open channel is done by a/an (A) Venturimeter (B) Orificemeter (C) Weir (D) Rotameter
Last Answer : (C) Weir
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
Last Answer : (A) Pitot tube
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 flow measuring devices is an area meter? (A) Venturimeter (B) Orificemeter (C) Anemometer (D) Rotameter
Last Answer : (D) Rotameter
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
Last Answer : Answer: Option D
Description : Sele(A) The discharge through a Venturimeter depends upon Δp only and isindependent of orientation of the meterct the correct statement. (B) A Venturimeter with a given gage difference discharges at a ... a given pipe line, whether a Venturimeter or a nozzle with the same throat dia is used
Last Answer : (A) The discharge through a Venturimeter depends upon Δp only and isindependent of orientation of the meterct the correct statement
Description : Select the correct statement. (A) The discharge through a Venturimeter depends upon Δp only and isindependent of orientation of the meter (B) A Venturimeter with a given gage difference discharges at a ... a given pipe line, whether a Venturimeter or a nozzle with the same throat dia is used
Last Answer : (A) The discharge through a Venturimeter depends upon Δp only and isindependent of orientation of the meter
Description : For the same flow rate of a fluid, the pressure drop is the least for (A) Venturimeter (B) Orificemeter (C) Flow-nozzle (D) Δp is same for all
Last Answer : (A) Venturimeter
Description : The energy loss in flow through Venturimeter is less than that through flow nozzle, because in case of a flow nozzle, the (A) Length is shorter (B) Throat diameter is more (C) Sudden expansion of flow in the downstream occurs (D) Distance between the throat and the inlet is more
Last Answer : (C) Sudden expansion of flow in the downstream occurs
Description : For a given fluid flow rate, which of the following incurs maximum head loss? (A) Orificemeter (B) Venturimeter (C) Flow nozzle (D) All of them incur the same head loss
Last Answer : (A) Orificemeter
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 : Which is not a variable head meter? (A) Venturimeter (B) Pitot tube (C) Rotameter (D) None of these
Description : Which of the following instrument can be used for measuring speed of an aeroplane? (A) Venturimeter (B) Orifice plate (C) Pitot tube (D) Rotameter
Last Answer : Answer: Option C
Description : Cascade control is (A) The continuous adjustment of the set point index of an automatic control loop by a primary (master) controller (B) Used when changes in process conditions cause serious upsets in the controlled variable (C) Useful to control flow from temperature (D) All 'a', 'b' & 'c'
Last Answer : (D) All 'a', 'b' & 'c'
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 : 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 : A Rotameter through which air at room temperature and atmospheric pressure is flowing gives a certain reading for a flow rate of 100 cc/sec. If helium (molecular weight 4) is used and Rotameter shows the same reading, the flow rate (cc/sec) is (A) 26 (B) 42 (C) 269 (D) 325
Last Answer : (C) 269
Description : In area meter (e.g., Rotameter), with increase in the fluid flow rate, the (A) Pressure drop increases linearly (B) Pressure drop is almost constant (C) Area through which fluid flows does not vary (D) None of these
Last Answer : (B) Pressure drop is almost constant
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 : Drag force on the float of a Rotameter is (where Q = flow rate of the) (A) ∝ Q (B) ∝ √Q (C) ∝ Q2 (D) Constant
Last Answer : (D) Constant
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 : 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 : Select the wrong statement pertaining to flow of an incompressible fluid through a Venturimeter. (A) For frictionless flow, the fluid pressure entering the venturi meter will be exactly equal ... than an orificemeter (D) Venturimeter incurs less power loss compared to an equivalent orificemeter
Last Answer : (C) Venturimeter occupies less space than an orificemeter
Description : A Venturimeter cannot be used for the direct measurement of (A) Datum difference in the stretch of pipe-flow (B) Pressure difference in the flow through pipeline (C) Friction loss in pipe flow (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : Pick out the correct statement pertaining to Venturimeter. (A) A Venturimeter with a fixed pressure drop discharges more, when the flow is vertically downward, than when the flow is vertically upward (B ... , when compressibility is taken into account, than when it is neglected (D) None of these
Last Answer : (D) None of these
Description : Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in __________ position. (A) Horizontal (B) Vertical (C) Inclined (D) Any
Last Answer : (D) Any
Description : Rotameter is a device used to measure (A) Absolute pressure (B) Velocity of fluid (C) Flow (D) Rotation
Description : Related to ultrasonic flow meter: (i) Give any two types of it. (ii) Write any two specifications. (iii) Write two advantages over rotameter.
Last Answer : (i) Two types of ultrasonic flow meter: ➢ Transit time flow meters (time differences) ➢ Doppler type. (ii) Write any two specifications: - 1. Accuracy 2. Linearity 3. Repeatability 4. ... for bidirectional flow 8. Excellent dynamic response 9. Good accuracy +-2% 10. o/p is electrical
Description : With diminishing cross-sectional area in case of subsonic flow in a converging nozzle, the (A) Velocity increases (B) Pressure decreases (C) Both (A) & (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) & (B)
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 : Which of the following exemplifies a three dimensional fluid flow? (A) Fluid flow at the inlet to a nozzle (B) Fluid flow between parallel plates (C) Viscous fluid flow between converging plates (D) None of these
Last Answer : (A) Fluid flow at the inlet to a nozzle
Description : The effect of friction on the flow of steam through a nozzle is to decrease the __________ of steam. (A) Wetness (B) Mass flow rate (C) Both 'a' & 'b' (D) Neither 'a' nor 'b'
Last Answer : (C) Both 'a' & 'b'
Description : What is the full form of ATC? a.Automatic tool changer b.Arranged tool changer c.Automatic tool controller d.Arranged tool controller
Last Answer : a.Automatic tool changer
Description : Mark I is also known as A) American Sequence Controlled Calculator B) Automatic Sequence Calculating Controller C) American Sequence Controlled Computer D) Automatic Sequence Controlled Calculator
Last Answer : Answer : D
Description : A series wound DC motor has its armature and field connected in series with a resistor. When the motor is disconnected from its power supply, this motor will exemplify __________. A. the ... the proper connections for an automatic strip heater C. a reversing controller circuit D. dynamic braking
Last Answer : Answer: D
Description : State the working principle and operation of Automatic power factor controller used in Transmission and Distribution system.
Last Answer : Diagram of Automatic over factor controller Automatic Power factor control: The pf controller is used to maintain the pf at unity across the lines it is connected. Maintaining the pf at ... the load demand in the system is increased. 8. Check if power transformer compensation is provided.
Description : In order to measure the flow with a Venturimeter, it is installed in (A) Horizontal line (B) Inclined line with flow upwards (C) Inclined line with flow downwards (D) Any direction and in any location
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 : 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.
Description : When the Venturimeter is inclined, then for a given flow it will show __________ reading. (A) Same (B) More (C) Less (D) None of these
Last Answer : Answer: Option A
Description : Venturimeter is used to measure: (1) rate of flow of liquids (2) liquid pressure (3) surface tension (4) liquid density
Last Answer : rate of flow of liquids
Description : Is it possible to "integrate" yourself?
Last Answer : answer:In my experience integration' is really just a fancy psychology term for burning through neuroses. Reconciling the different, conflictual parts' of ones psyche. For some it is a natural and ... deep and abiding inner peace and trust to arise. The ' peace that surpasseth all understanding.'
Description : Is it possible to fully integrate my Blogger blog into the home page of my website?
Last Answer : This is pretty simple to do. I actually already have the code for it. The server just needs to have PHP installed. It will output something like this. You can stick that anywhere and style it how you ... line to your RSS feed. $rss = fetch_rss( http://whatever.blogspot.com/feeds/posts/default' );
Description : What is the effect of friction on flow of steam through a nozzle ?
Last Answer : To decrease both mass flow rate and wetness of steam.
Description : In which type of cooling system are nozzle arranged on different elevation? A Single deck system B Double deck system C Natural flow system D Direct flow system
Last Answer : B Double deck system
Description : Flow rates of particular nozzle is directly proportional to a. square root of pressure b. orifice area c. Both (a) and (B) d. none of the above
Last Answer : c. Both (a) and (B)