1. Which instrument is used to measure altitudes in aircraft's ?
A.Audiometer
B.Ammeter
C.Altimeter
D.Anemometer
Answer And Explanation
A.Audiometer
B.Ammeter
C.Altimeter
D.Anemometer
Answer And Explanation
Answer: Option C
Explanation:
Ammeter - Measures strength of electric current.
Explanation:
Ammeter - Measures strength of electric current.
Audiometer - Measures intensity of sound.
Anemometer - Measures force and velocity of wind and directions.
2. Which instrument is used to measure depth of ocean ?A.Galvanometer
B.Fluxmeter
C.Endoscope
D.Fathometer
Answer And Explanation
2. Which instrument is used to measure depth of ocean ?A.Galvanometer
B.Fluxmeter
C.Endoscope
D.Fathometer
Answer And Explanation
Answer: Option D
Explanation:
Galvanometer - measures electric current,
Fluxmeter - measures magnetic flux,
Endoscope - used to examine internal parts of the body.
3. Name of the instrument to measure atomspheric pressure ?
A.Barometer
B.Barograph
C.Bolometer
D.Callipers
Answer And Explanation
Explanation:
Galvanometer - measures electric current,
Fluxmeter - measures magnetic flux,
Endoscope - used to examine internal parts of the body.
3. Name of the instrument to measure atomspheric pressure ?
A.Barometer
B.Barograph
C.Bolometer
D.Callipers
Answer And Explanation
Answer: Option A
Explanation:
Barograph - Recordings of atmospheric pressure,
Bolometer - Used to measure heat radiation,
Callipers - Used to measure inner and outer diameters of bodies.
4. Which instrument is used to measure the power of electric circuit ?
A.Voltmeter
B.Wattmeter
C.Wavemeter
D.Viscometer
Answer And Explanation
Explanation:
Barograph - Recordings of atmospheric pressure,
Bolometer - Used to measure heat radiation,
Callipers - Used to measure inner and outer diameters of bodies.
4. Which instrument is used to measure the power of electric circuit ?
A.Voltmeter
B.Wattmeter
C.Wavemeter
D.Viscometer
Answer And Explanation
Answer: Option B
Explanation:
Voltmeter - is used to measure electric potential difference between two points,
Wavemeter - is used to measure the wavelength of a radiowave,
Viscometer - is used measure viscosity of liquid.
5. Which instrument is used in submarine to see the objects above sea level ?
A.Pykometer
B.Polygraph
C.Photometer
D.Periscope
6. Which instrument is used to measure curvature of spherical objects ?
A.Spectroscope
B.Spherometer
C.Spectrometer
D.Sextant
Answer And Explanation
Explanation:
Voltmeter - is used to measure electric potential difference between two points,
Wavemeter - is used to measure the wavelength of a radiowave,
Viscometer - is used measure viscosity of liquid.
5. Which instrument is used in submarine to see the objects above sea level ?
A.Pykometer
B.Polygraph
C.Photometer
D.Periscope
6. Which instrument is used to measure curvature of spherical objects ?
A.Spectroscope
B.Spherometer
C.Spectrometer
D.Sextant
Answer And Explanation
Answer: Option B
Explanation:
Spectroscope - used to record spectra,
Explanation:
Spectroscope - used to record spectra,
Spectrometer - used to measure the position of spectral lines,
Sextant - used to measure the height of very distant objects and also used by navigators to find the latitude.
7. Which instrument is used to record physical happenings at a distant place ?
A.Thermostat
B.Tonometer
C.Telemeter
D.Transponder
Answer And Explanation
A.Thermostat
B.Tonometer
C.Telemeter
D.Transponder
Answer And Explanation
Answer: Option C
Explanation:
Thermostat - is used to regulate the temperature at a particular point.
Explanation:
Thermostat - is used to regulate the temperature at a particular point.
Tonometer - is used to measure the pitch of a sound,
Transponder - is used to receive a signal