Do Static charges flow continuously true or false?

Do Static charges flow continuously true or false?
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Last Answer : B

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Description : A switchboard ammeter indicates a reading slightly above 'zero' when the leads are disconnected, this is caused by _____________. A. mechanical misalignment of the meter pointer B. a poor ground for the meter case C. static electricity in the air D. capacitors inside the meter storing charges

Last Answer : Answer: A

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Last Answer : Answer: B

An ammeter reads slightly above 'zero' when its leads are disconnected, this is a result of ___________. A. mechanical misalignment of the meter pointer B. a poor ground for the meter case C. static electricity in the air D. resistors inside the meter storing charges

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Description : How are static charges created?

Last Answer : By friction.

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Last Answer : (B) Continuously decreases

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Last Answer : I) FALSE

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Description : Use the Add_group_row procedure to add a row to a static record group 1. true or false?

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Last Answer : a) True

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Description : The static load carrying capacity of fine threads is greater than that of coarse threads. a) True b) False

Last Answer : b) False

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Description : Static deflection and frequency are independent of each other. a) True b) False

Last Answer : b) False

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Last Answer : a) True

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Last Answer : B) True, False

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Last Answer : B) ii-False, ii-True

The conventional current is due to the flow of a. atoms and molecules b. positive charges c. negative charges d. both b and c

Description : The conventional current is due to the flow of a. atoms and molecules b. positive charges c. negative charges d. both b and c

Last Answer : b. positive charges

Why is it that protons are not considered a source of moving charges for current flow?

Description : Why is it that protons are not considered a source of moving charges for current flow?

Last Answer : Protons themselves are not mobile positive charges because they are tightly bound in the nucleus of the atom and cannot be released except by nuclear forces. Therefore, a current of positive charges is a flow of  either positive ions in liquids and gases or positive holes in semiconductors. 

As we say definition of current is flow of charges then why we give the direction of current from +ve to -ve????

Last Answer : Current flow is like water, water flows from higher level to lower level. Same thing with current, current flows from higher voltage to lower voltage level. The flow of current is in opposite direction of the electron, electron flow from -ve to +ve and current flow from +ve to -ve.

Before testing insulation with a megohmmeter, the windings of large machines should be grounded for about 15 minutes just prior to the test, because the ___________. A. static charge of the machine may give a false reading B. armature will have a greater number of leakage paths C. insulation may be damaged D. insulation may be covered with moisture

Description : Before testing insulation with a megohmmeter, the windings of large machines should be grounded for about 15 minutes just prior to the test, because the ___________. A. static charge of the machine ... number of leakage paths C. insulation may be damaged D. insulation may be covered with moisture

Last Answer : Answer: A

Indicate the false statement. A. Industrial noise is usually of the impulse type B. Static is caused by lightning discharges in thunderstorms and other natural electric disturbances occurring in the atmosphere C. Distant stars are another source of man-made noise D. Flourescent lights are another source of man-made noise

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Last Answer : C. Distant stars are another source of man-made noise

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Last Answer : (D) Large scale cavitation cannot damage pipeline, restrict fluid flow and damage steam turbine blades

Design of the casing of centrifugal pump should be such as to minimise the (A) Back flow through impeller (B) Loss of kinetic head (C) Loss of static head (D) None of these

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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

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Last Answer : (B) Pitot tube

When the flow parameters at any given instant remain same at every point, then flow is said to be (A) Quasi-static (B) Steady state (C) Laminar (D) Uniform

Description : When the flow parameters at any given instant remain same at every point, then flow is said to be (A) Quasi-static (B) Steady state (C) Laminar (D) Uniform

Last Answer : Answer: Option D

Conversion of dynamic velocity head into static pressure head in a centrifugal pump is the result of : (a) Increasing area of flow between adjacent vanes from inlet to outlet (b) Difference in pressure between suction and delivery ends (c) Radial thrust in pumps (d) Stuffing Box

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Last Answer : (b) Difference in pressure between suction and delivery ends

Are there flow velocity restrictions to avoid static charge build up in pipelines?

Description : Are there flow velocity restrictions to avoid static charge build up in pipelines?

Last Answer : There is an Australian standard AS1020 (1984) - Control of undesirable Static Electricity In it, there is a table for flammable hydrocarbons as follows: Pipe Size (mm) Max Velocity (m/s) ... however be followed, such as appropriate earthing, and ensuring exit velocities into tanks of 1 m/s.

Is it true that charges do not transfer between objects in polarization or conduction?

Description : Is it true that charges do not transfer between objects in polarization or conduction?

Last Answer : Need answer

The true statement about solutions of amino acids at physiological pH is (A) All amino acids contain both positive and negative charges (B) All amino acids contain positively charged side chains (C) Some amino acids contain only positive charge (D) All amino acids contain negatively charged side chains

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Last Answer : Answer : A

The true statement about solutions of amino acids at physiological pH is (A) All amino acids contain both positive and negative charges (B) All amino acids contain positively charged side chains (C) Some amino acids contain only positive Charge (D) All amino acids contain negatively charged side chains

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Last Answer : (A) All amino acids contain both positive and negative charges

Assertion A.: The minimum self cleansing velocity in the sewer, at least once a day, must be generated. Reason (R): If certain deposition takes place and is not removed, it obstructs free flow and causes further deposition leading to complete blocking of the sewer. A. Both A and R are true and R is the correct explanation of A B. Both A and R are true but R is not a correct explanation of A C. A is true but R is false D. A is false but R is true

Description : Assertion A.: The minimum self cleansing velocity in the sewer, at least once a day, must be generated. Reason (R): If certain deposition takes place and is not removed, it obstructs free flow and causes further ... correct explanation of A C. A is true but R is false D. A is false but R is true

Last Answer : ANS: A

Project Integration Management ensures that various elements of a project are properly integrated and coordinated for smooth flow of information and resources. (True/False)

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Last Answer : Ans. True

20. The velocity of flow is same at all points in the cross-section of a channel. A) True B) False

Description : 20. The velocity of flow is same at all points in the cross-section of a channel. A) True B) False

Last Answer : B

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Last Answer : A

05. The flow in a pipe is laminar, when Reynold number is less than 2000. A) True B) False

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Last Answer : c) [a] is false and [r] is true

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Last Answer : Sr  No Statement Chose the correct  answer OR Fill-in-the-blanks Solution 1 Fyrite measures CO2, O2 and  SO2 True/False False 2 Ultrasonic Flow Meter uses the  principle of____& ____ ... ]  10 In a gasification system the  reduction zone is above the  combustion zone True/False False

Is it true or false that electron flow and conventional current are in opposite directions?

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