Recent questions tagged flow

by itszee asked Jul 12, 2021 0 views

Explain The Flow Of A Typical Instruction Word.?
Answer : Answer :The flow of a typical Instruction word is as follows: The content of the program counter of 2 byte is transferred to the address register known as MAR ( memory address register ). This ... bus. Now the data is placed in the instruction register which will eventually decode and execute it....

by anonymous asked Jan 2, 2021 22 views

Axial flow compressor 
Answer : Axial flow compressor : Working Principle: As the fluid enters and leaves in the axial direction, the centrifugal component in the energy equation does not come into play. Here the compression is fully ... the absolute velocity of the fluid and the stator converts this into pressure rise.  ...

by anonymous asked Jun 26, 2020 44 views

Draw venture meter and write steps to measure flow rate.
Answer : Venturi meter consists of three sections that is converging section, throat section and diverging section. The flow is introduced to the meter through the inlet with diameter D' . The inclined angle ... to 15o . Flow rate is proportional to the square root of the differential pressure. ...

by anonymous asked Jun 26, 2020 29 views

List variable flow meter. 
Answer : 1. Variable area : Rotameter 2. Variable head : a) Venturi b) Orifice c) Pitot tube d) Nozzle...

by anonymous asked May 27, 2020 38 views

Why does the magnetic field flow from north to south?

by anonymous asked Aug 25, 2019 89 views

Does current flow through a capacitor ?
Answer : Imagine a pipe with a flexible diaphram in the middle separating two haves of the pipe. Now the pipe is filled with air. If you apply a pressure to one end the diaphram will deform ... capacitor, the effects on electrons will be recreated across the boundary. But theres no electrical connection......

by anonymous asked Aug 5, 2019 64 views

State advantages & disadvantages of electromagnetic flow meter.
Answer : Advantage: Provides wide linear range. 2) Ability to measure reverses flow. 3) Gives rapid response to flow changes. 4) No obstruction is created to flow. 5) It can handle corrosive as ... and pipe networks with relatively short inside diameters. 3) It is useful for electrically conducting fluid. ...

by anonymous asked Aug 5, 2019 83 views

Compare variable head flow meter with variable area flow meter.
Answer : Parameter Variable head flowmeter Variable area flowmeter Working principle Restriction or obstacle is placed in the path of flow to create a differential Pressure. The pressure ... viscous fluid slurries and dirty fluids. In laboratories and testing and production lines. ...

by anonymous asked Sep 8, 2018 115 views

Describe principle of operation of Doppler type ultrasonic flow meter with diagram. 
Answer : Diagram: Working:  The flow meter consists of a crystal transducer mounted outside the pipe in which flow is to be measured. This transducer is a piezoelectric crystal which ... , so the frequency of the reflected wave is shifted to particle velocity, according to Doppler principle. ...

by anonymous asked Sep 8, 2018 78 views

Define laminar flow and turbulent flow.
Answer : Laminar flow : When a fluid flowing through the pipe at different speeds (fast at center and slow at edges), and the fluid particles move in layers with one layer sliding over the adjacent ... successive cross sections, then this flow is called as turbulent flow. Reynolds no is greater than 4000  ...

by anonymous asked Sep 7, 2018 60 views

Classify hydro-electric power plants according to water flow regulation and explain in brief.
Answer : Classification of hydro-electric power plants according to water flow regulation of water flow:-  1. Large reservoir power plant 2. Run-off river (ROR) power plant with poundage 3. Run-off River ... depends upon rate of flow of water Initial cost is less Its purpose is to generate electricity. ...

by anonymous asked May 8, 2018 2.9k views

In load flow Study, a PV bus is treated as a PQ bus when
Answer : Voltage at the bus becomes high ...

by anonymous asked May 1, 2018 450 views

Load flow studies involve solving simultaneous  (1) linear algebraic equations. (3) linear differential equations. (2) non-linear algebraic equations. (4) non-linear differential equations.
Answer : Load flow studies involve solving simultaneous non-linear algebraic equations. ...

by anonymous asked Apr 29, 2018 85 views

The current flow in a battery is due to ______ A) movement of ions B) movement of protons C) movement of holes D) movement of neutrons
Answer : The current flow in a battery is due to movement of ions ...

by anonymous asked Apr 28, 2018 75 views

The device which allows reverse power flow and withstands highest switch frequency is (A) GTO (B) MOSFET (C) IGBT (D) Inverter grade SCR
Answer : The device which allows reverse power flow and withstands highest switch frequency is MOSFET ...

by anonymous asked Apr 28, 2018 87 views

A Unified Power Flow Controller (FACTS controller) is a voltage source converter based (A) Inter-phase power controller (B) Static Compensator (C) Combination of series and shunt compensators (D) Solid-state series compensator
Answer : A Unified Power Flow Controller (FACTS controller) is a voltage source converter based Combination of series and shunt compensators ...

by anonymous asked Apr 28, 2018 68 views

The power flow problem mathematical model for a linear transmission network (A) is non-linear (B) is linear (C) considers time variation of generation (D) does not consider tap-changing transformers
Answer : The power flow problem mathematical model for a linear transmission network is non-linear ...

by anonymous asked Apr 28, 2018 120 views

Precise control of reactive current flow entering the transmission and distribution systems can be minimized by using (A) synchronous condenser (B) static VAR capacitor (C) capacitor bank (D) thyristor switched reactor in parallel with capacitor
Answer : Precise control of reactive current flow entering the transmission and distribution systems can be minimized by using (A) synchronous condenser (B) static VAR capacitor (C) capacitor bank (D) thyristor switched reactor in parallel with capacitor ...

by anonymous asked Apr 26, 2018 161 views

lf the wire which is vertical to this page has electron flow downwards the conductor will have
Answer : lf the wire which is vertical to this page has electron flow downwards the conductor will have a counter-clockwise field in the plane of the paper ...

by anonymous asked Apr 26, 2018 103 views

Liquid flow rate is measured using (A) a pirani gauge (B) a pyrometer (C) an orifice plate (D) a bourdon tube
Answer : Liquid flow rate is measured using an orifice plate ...