The instrument for measuring the speed of wind is:
- (A) Anemometer
- (B) Speedometer
- (C) Hygrometer
- (D) Tachometer
- (A) Anemometer
Which of the following is used to show the direction of the wind?
- (A) Anemometer
- (B) Rain Gauge
- (C) Wind Vane
- (D) Compass needle
- (C) Wind Vane
The rain is measured with an instrument called:
- (A) Compass
- (B) Rain Gauge
- (C) Anemometer
- (D) Wind Vane
- (B) Rain Gauge
Which instrument is used to receive radio waves from objects in space?
- (A) Radio telescope
- (B) Radiograph
- (C) Seismograph
- (D) Atomic telescope
- (A) Radio telescope
Which instrument is used for estimating the height of an aircraft above sea level?
- (A) Compass meter
- (B) Altimeter
- (C) Thermometer
- (D) Barometer
- (B) Altimeter
‘Scotograph’ is an instrument for:
- (A) Aiding the blind to write
- (B) Testing the heart beat
- (C) Magnifying small objects
- (D) Measuring pulse rate
- (A) Aiding the blind to write
Which instrument is used to measure speed of ship?
- (A) Periscope
- (B) Angstrom
- (C) Sextant
- (D) Monometer
- (B) Angstrom
Sailors used a device to find close to the North and South geographic poles. How is known the device?
- (A) Compass
- (B) Pole meter
- (C) Magnetic pole
- (D) Electric meter
- (A) Compass
A ‘Sextant’ is used to measure:
- (A) Area of hill
- (B) Volume of buildings
- (C) Height of an object
- (D) Breath of a tower
- (C) Height of an object
Solar radiation is measured by:
- (A) Monometer
- (B) Pyrometer
- (C) Astrometry
- (D) Barometer
- (B) Pyrometer