Description : What is the difference the a wheatstone bridge and a potentiometer ?
Last Answer : The difference between a potentiometer and a wheatstone bridge measuring instrument is that potentiometer is a voltage measuring instrument and wheatstone bridge is a current measuring instrument.
Description : A wheatstone bridge is balanced if ___
Last Answer : the ratio of resistors on one side of the bridge equals the ratio of resistors on the other side
Description : A bridge wherein all legs are electrically identical
Last Answer : balance bridge
Description : What do you call of the frequency-sensitive bridge in which two adjacent arms are resistances and other are RC combinations?
Last Answer : Wein Bridge
Description : A four-arm bridge. All arms of which are predominantly resistive; used for measuring resistance
Last Answer : Resistance Bridge and Wheatstone Bridge
Description : This is a method of using a Wheatstone brdige to determine the distance from the test point to a fault in a telephone or telegraph line or cable.
Last Answer : varmeter/reactive VA meter
Description : When the capacitors of a Wein Bridge are replaced by inductors, the bridge becomes ___
Last Answer : Wein Inductance Bridge
Description : A capacitor discolored due to excessive heat should be _____________. A. calibrated using a capactance wheatstone bridge B. replaced and the reason for the overheating found C. cooled with a spray ... purpose D. resoldered with care taken to insure that the origional cold solder joint is repaired
Last Answer : Answer: B
Description : What is this instrument or circuit that has four or more arms, by means of which one or more of the electrical constance of an unknown component may be measured?
Last Answer : bridge
Description : When should a fuse be replaced with a higher rated unit?
Last Answer : never
Description : What is the reason why the scale of a permanent-magnet moving coil instrument is uniform?
Last Answer : because it is spring controlled
Description : A dc bridge widely used for the accurate measurements of resistance
Last Answer : Wheatstone bridge
Description : An AC bridge that measures capacitance and dissipation factor
Last Answer : Schering Bridge
Description : Bridge used to measure both inductive and capacitive impedances at higher frequencies
Last Answer : radio-frequency bridge
Description : An AC bridge that measures inductance in terms of resistance and capacitance.
Last Answer : Owen's Bridge
Description : A bridge used to locate accidental grounds on communications and power lines
Last Answer : Murray Loop
Description : This refers to a four-arm ac bridge used for measuring inductance against a standard capacitance.
Last Answer : Maxwell Bridge
Description : A bridge used to measure small resistances
Last Answer : Kelvin Bridge
Description : An AC bridge that measures mutual inductance
Last Answer : Heaviside bridge
Description : What bridge is used to measure high-Q inductors? (Q>10)
Last Answer : hay bridge
Description : Refers to an ac bridge for measuring the inductance and Q of an inductor in terms of resistance, frequency and a standard capacitance.
Description : Maxwell bridge measures an unknown inductance in terms of known
Last Answer : capacitance
Description : Why is the orifice tab provided?
Last Answer : The orifice tab is provided due to the following reasons. Indication of an orifice plate in a line. The orifice diameter is marked on it. The material of the orifice ... differential pressure generated Exhaustive data available Low purchase price and installation cost Easy replacement
Description : Which of the following bridge is frequency sensitive: a) Wheatstone bridge b) Maxwell bridge c) Anderson bridge d) Wien bridge
Last Answer : Ans: C
Description : The illustrated circuit is a wheatstone bridge. If the meter 'G' reads 0 with the switch closed then ________. EL-0024 A. the current through R1 - R2 is equal to the current through R3 - Rx B. the voltage ... of E C. the resistance of Rx is equal to the resistance of R2 D. all the above are true
Last Answer : Answer: A
Description : The illustrated circuit is a _____________. EL-0024 A. megohm meter B. Gauss meter C. wheatstone bridge D. germanium diode tester
Last Answer : Answer: C
Description : The circuit shown in the illustration represents a/an ____________. EL-0085 A. operational amplifier B. Wheatstone bridge C. magnetic amplifier D. power supply
Last Answer : Answer: D
Description : The Wheatstone bridge is a precision measuring instrument utilizing the principle of changes in _____________. A. inductance B. capacitance C. resistance D. amperage
Description : For dynamic strain measurement, the Wheatstone bridge used is of __________ type. (A) Voltage sensitive null (B) Voltage sensitive deflected (C) Current sensitive deflected (D) None of these
Last Answer : (B) Voltage sensitive deflected
Description : How does the supply voltage affect the accuracy of Wheatstone bridge measurements?
Last Answer : As the supply voltage increases, bridge components may heat up and become less accurate.
Description : Wheatstone bridge Practical
Last Answer : Practical Significance The conductors are generally made from copper & aluminum. They are having low resistance. It is essential to measure its resistance precisely to calculate the voltage drop per ... the total resistance (R) of the coil. 6. Determine per unit length resistance
Description : Wheatstone bridge
Description : A Wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of: - a) Resistance of the connecting lead b) Thermoelectric EMFs c) Contact resistance d) all the above
Last Answer : A Wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of: - a) Resistance of the connecting lead b) Thermoelectric EMFs c) Contact resistance d) all the above
Description : A streamline is (A) The line connecting the mid-points of flow cross-sections (B) Defined for uniform flow only (C) Drawn normal to the velocity vector at every point (D) Always the path of a particle
Last Answer : (C) Drawn normal to the velocity vector at every point
Description : The equation of continuity holds good when the flow (A) Is steady (B) Is one dimensional (C) Velocity is uniform at all the cross sections (D) All of the above
Last Answer : Answer: Option D
Description : Valleys formed by glaciers always have which of the following characteristics? w) U-shaped cross sections x) straight courses y) uniform slopes z) bedrock floors
Last Answer : ANSWER: W -- U-SHAPED CROSS SECTIONS
Description : Pick up the correct statement from the following: (A) The cross fall of the shoulder should be at least 0.5% steeper than camber (B) On super-elevated sections, the shoulders should be provided a ... equal to camber (C) Earthen roads in general are provided steepest cross-fall (D) All the above
Description : The following are modifications made to the IFAC Code to consider Philippine regulatory requirements and circumstances, except a. The period for rotation of the lead engagement partner was changed from ... , were included. d. Payment and receipt of commissions were not permitted in the Philippines
Last Answer : The period for rotation of the lead engagement partner was changed from five to seven years.
Description : What volume of `O_(2)` is soluble in `100cm^(3)` of water at 293 K.
Last Answer : What volume of `O_(2)` is soluble in `100cm^(3)` of water at 293 K. A. `3.08c c` B. `30.8cm^(3)` C. `1.02cm^(3)` D. `4.2cm^(3)`
Description : Find the current in a conductor with resistance 2 ohm, electric field 2 units and distance 100cm. a) 1A b) 10mA c) 10A d) 100mA
Last Answer : a) 1A
Description : Tractor drawn disc harrows have concave discs of size varying from… diameter. a. 55-90cm b. 60-100cm d. None of the above
Last Answer : Ans - c. 35-70cm
Description : What is the simplified version of the expression 32x plus 8 - 34x?
Last Answer : Feel Free to Answer
Description : __________ does not contain copper as an alloying element, (A) Nichrome (B) Manganin (C) Perminvar (D) Monel metal
Last Answer : (A) Nichrome
Description : Tick off the material, which is different from the group (A) Constantan. (B) Manganin. (C) Nichrome. (D) Brass.
Last Answer : (D) Brass.
Description : Manganin is an alloy of (A) copper, manganese and nickel. (B) copper and manganese. (C) manganese and nickel. (D) manganese, aluminium and nickel.
Last Answer : (A) copper, manganese and nickel.
Description : The material with lowest resistivity is (A) constantan. (B) silver. (C) manganin. (D) nichrome.
Last Answer : (B) silver.
Description : The cross sections of the beams of equal length are a circle and a square whose permissible bending stress is same under same maximum bending. The ratio of their flexural weights is, (A) 1.118 (B) 1.338 (C) 1.228 (D) 1.108
Last Answer : (A) 1.118
Description : What is two wire and three wire R.T.D. system ?
Last Answer : Two wire R .T .D. system : Two wire RTD system use for short distance like a compressor field local panel. Three wire System : Three wire system use for long distance coke a field to control Run. The third wire is used for compensation of lead wire resistance.
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.