What is torque

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2 Answers

Answer :

A force that tends to cause rotation.
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Answer :

A force that behaves to cause rotation.
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Related questions

Draw and explain the measurement of torque using Torque Cell

Description : Draw and explain the measurement of torque using Torque Cell

Last Answer : Figure a shows the construction of load cell used to measure torque using strain gauges connected to the rotating shaft.. Figure b represents the bridge arrangement to measure torque. .The ... diagonal axis. The Wheatstone bridge output is proportional to torsion and hence the torque. . 

Describe spring control method of producing controlling torque in measuring instrument. Write any two properties required for spring material.

Description : Describe spring control method of producing controlling torque in measuring instrument. Write any two properties required for spring material.

Last Answer : A)Spring control method: As shown in the figure, the inner ends of the both springs are attahced to the spindle, while outer end of upper spring is attached to the lever and outer ... of spring material: 1.Non Magnetic material 2.Low specific resistance 3.Low temperature coefficient of resistance

Name the different torque and their function in measuring instrument.

Description : Name the different torque and their function in measuring instrument.

Last Answer : List of torques in analog instruments:  1. Deflecting torque  2. Controlling / restraining torque.  3. Damping torque.  1. Deflecting torque:  - To create deflection of pointer ... .  - Bring the pointer to standstill quickly.  - To minimize oscillations about final position. 

State the function of controlling torque in electrical measuring instrument.

Description : State the function of controlling torque in electrical measuring instrument.

Last Answer : Function of controlling torque  1. The function is to opposes the deflection force and increases with the increase in the deflection of the moving system, to limit its movement. 2. and brought ... set a position where the two opposing forces i.e. deflection and controlling forces are equal. 

List the different methods to produce damping torque.

Description : List the different methods to produce damping torque.

Last Answer : Methods of providing damping torque in indicating type instruments: 1) Air friction damping. 2) Fluid friction damping. 3) Eddy current damping.

State the function of controlling torque. Write two types of it.

Description : State the function of controlling torque. Write two types of it.

Last Answer : Function of Controlling Torque:  To restrict the motion of pointer / spindle and stop the pointer at the relevant position to get correct reading.  To bring back pointer to zero ... measurement is removed.  Types of Controlling Torque: 1. Spring control method 2.Gravity control method 

In a flux meter, the controlling torque is _____.

Description : In a flux meter, the controlling torque is _____.

Last Answer : In a flux meter, the controlling torque is not provided at all.

In induction type directional over current relay the driving torque is due to interaction of magnetic fields

Description : In induction type directional over current relay the driving torque is due to interaction of magnetic fields derived from (A) current in the potential coil (B) both voltage and current in the ... (C) directional element and non-directional element (D) non-directional element and the trip circuit

Last Answer : In induction type directional over current relay the driving torque is due to interaction of magnetic fields derived from directional element and non-directional element

A three phase induction motor is driving full -load torque which is independent of speed. If the line voltage...

Description : A three phase induction motor is driving full -load torque which is independent of speed. If the line voltage drops to 90% of the rated value, % increase in motor copper losses  (a) 23% (b) -18% (c) 123% (d) None of these

Last Answer : A three phase induction motor is driving full -load torque which is independent of speed. If the line voltage drops to 90% of the rated value, % increase in motor copper losses (a) 23% (b) -18% (c) 123% (d) None of these

For controlling the vibration of the disc of ac energy meter, damping torque is produced by

Description : For controlling the vibration of the disc of ac energy meter, damping torque is produced by

Last Answer : For controlling the vibration of the disc of ac energy meter, damping torque is produced by Eddy current

At slip equal to infinity, the torque of a three phase induction motor is :-

Description : At slip equal to infinity, the torque of a three phase induction motor is :-  a) zero b) very small c) high d) very high

Last Answer : At slip equal to infinity, the torque of a three phase induction motor is :- zero

In a d.c. series motor, the torque developed is 20 Nm at 10A. If the load current is doubled, the new torque will be : -

Description : In a d.c. series motor, the torque developed is 20 Nm at 10A. If the load current is doubled, the new torque will be : -  a) 60 Nm b) 45 Nm c) 80 Nm d) 100 Nm

Last Answer : In a d.c. series motor, the torque developed is 20 Nm at 10A. If the load current is doubled, the new torque will be : - 80 Nm

The dc motor used for intermittent high torque loads is

Description : The dc motor used for intermittent high torque loads is  (1) dc series motor (2) dc shunt motor (3) differential compound motor (4) cumulative compound motor

Last Answer : 4 cumulative compound motor

Reduction in supply voltage by 10% will change the torque of an induction motor by

Description : Reduction in supply voltage by 10% will change the torque of an induction motor by   (a) 38% (b) 19% (c) 9.5% (d) No change 

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Starting torque can be obtained in the case of a single phase induction motor with identical main and ...

Description : Starting torque can be obtained in the case of a single phase induction motor with identical main and auxiliary windings by connecting:  (1) A capacitor across the mains (2) A capacitor in ... with the auxiliary winding (4) Equal value capacitors in series with the main and the auxiliary windings

Last Answer : Starting torque can be obtained in the case of a single phase induction motor with identical main and auxiliary windings by connecting:  A capacitor is series with the auxiliary winding.

The deflection torque can be produced by:

Description : The deflection torque can be produced by:  (1) Gravity control (2) Spring control (3) Airfriction (4) Magnetically

Last Answer : The deflection torque can be produced by: Magnetically.

In an induction motor, if the rotor resistance is equal to stand-still reactance then the maximum torque is_________.

Last Answer : In an induction motor, if the rotor resistance is equal to stand-still reactance then the maximum torque is equal to starting torque.

Why a dc series motor has a high starting torque?

Description : Why a dc series motor has a high starting torque?

Last Answer : motor