What is tachometer ? Explain photo electric pick-up Last Answer : Tachometer is an instrument which is used to measure angular speed. It is measured in revolutions per minutes (RPM). Working: Working principle:The light passes through the holes available on the rotating disc with ... is given by N=f/HS N=speed f=frequency Hs=holes on the disc
what is tachometer? Last Answer : It is also known ad tachogenerator,it is used to measure angular speed in rpm
Last Answer : Airplane / Motor Of the car Speed Diagnostic Instrument.
How to find out if the car's tachometer is accurate? Last Answer : Measure ten kilometers on the road by subway and then measure it with a tachometer.
Is it possible to measure if the tachometer (not digital) in the car shows well? Last Answer : Best GPS - it detects the speed of movement very accurately.
What is the purpose of a hand held tachometer? Last Answer : A tachometer measures RPMs, and a hand held tachometer is used to measure the speed of smaller things, like engine parts. A hand held tachometer is usually used to measure the RPMs in a car engine, but tachometers have also been used to measure the rate of blood flow in the body.
The kilowatt load can be adjusted on a paralleled generator by using the _____________. A. field rheostat B. governor control C. automatic voltage regulators D. hand tachometer Last Answer : Answer: B
A handheld digital tachometer could give a bad reading if ___________________. A. aimed directly at the shaft B. partially aimed at a 60 Hz. fluorescent light C. positioned 5-10 inches from the shaft D. the tape is too shiny Last Answer : Answer: B
The diagrams shown in the illustration represent a/an _______________. EL-0093 A. engine order telegraph circuit B. rudder angle indicator arrangement C. engine speed tachometer with repeaters D. sound powered telephone system Last Answer : Answer: D
An electric tachometer receives the engine speed signal from a _______________. A. small generator mounted on the engine B. bimetallic sensing device C. stroboscopic sensing device D. vibrating reed meter generating a voltage proportionate to engine speed Last Answer : Answer: A
In Fullarton Tachometer, a thin strip with a ______ is attached at one of its ends. (A) mass (B) spring (C) damper (D) shaft Last Answer : (A) mass
Which type of frequency measuring instrument has multiple reeds of different natural frequency to measure vibrations? A. Fullarton tachometer B. Frahm Tachometer C. Both A. and B. D. None of the above Last Answer : B. Frahm Tachometer
An instrument used to measure soil compaction is: a Hydrometer b Cone penetrometer c Tachometer d Hygrometer Last Answer : b Cone penetrometer
If the intercept on a vertical staff is observed as 0.75 m from a tachometer, the horizontal distance between tachometer and staff (A) 7.5 m (B) 25 m (C) 50 m (D) 75 m Last Answer : (D) 75 m
For a tachometer the additive and multiplying constants are respectively (A) 0 and 100 (B) 100 and 0 (C) 0 and 0 (D) 100 and 100 Last Answer : (A) 0 and 100
Non-contact speed measurements can be carried out by a) Tachometer b) Stroboscope c) Oscilloscope d) Speedometer Last Answer : Stroboscope
Non contact speed measurements can be carried out bb c) Tachometer c) Stroboscope d) Stroboscope d) Speedometer Last Answer : Stroboscope
Non contact speed measurements can be carried out bb a) Tachometer c) Stroboscope b) Stroboscope d) Speedometer Last Answer : Stroboscope
What is an electric tachometer?* Last Answer : A generator producing voltage proportional to speed.
An a.c. tachometer is just a ________with one phase excited from the carrier frequency. (A) two-phase A.C. servomotor (B) two-phase induction motor (C) A.C. operated universal motor (D) hybrid stepper motor. Last Answer : Ans: D This is a special purpose machine whose stator coil can be energized by electronically switched current.
A tachometer is a device used to measure (1) gravitational pull (2) speed of rotation (3) surface tension (4) dispersive power Last Answer : speed of rotation
State the use of Lux Meter and Tachometer in energy audit. Last Answer : Use of lux meter – to measure intensity of light Use of tachometer – to measure speed
In an ac tachometer, the two stator field coils are mounted Last Answer : In an ac tachometer, the two stator field coils are mounted in space quadrate
Tachometer works essentially as a generator with output voltage proportional to magnitude of the : - a) Angular Velocity of the shaft b) Torque of the shaft c) Temperature of the shaft d) Back Lash of the shaft Last Answer : Tachometer works essentially as a generator with output voltage proportional to magnitude of the : - Angular Velocity of the shaft