Anemometer Question & Answers March 11, 2023 By Wat Electrical This article lists 75 Anemometer MCQs for engineering students. All the Anemometer Questions & Answers given below include a hint and a link wherever possible to the relevant topic. This is helpful for users who are preparing for their exams, interviews, or professionals who would like to brush up on the fundamentals of the Anemometer. Anemometers are common weather station instruments. The cup anemometers measures wind speed with three or four cups attached to a rotor. The cup anemometers are easy to maintain & calibrate, suitable for outdoor use, and widely used in weather stations. The vane anemometers measure wind direction and speed using a horizontal vane and vertical tail. The vane anemometers are suitable for outdoor use, widely used in weather stations and HVAC systems. The hot-wire anemometers measure air velocity by measuring the electrical resistance of a heated wire as it is cooled by airflow. The measurement range of hot wire anemometers is 0-800 ft/min, and these anemometers are highly sensitive and suitable for low-velocity airflows. The pitot tube anemometers measure airspeed by measuring the difference between total pressure and static pressure in a tube and its measurement range is 0-120 mph. This anemometer is suitable for use in HVAC systems, and aircraft, and it requires calibration to account for air density and altitude. 1). The rotating cups driven by wind is a principle of operation of ______________ anemometer? Cup anemometer Hot-wire anemometer Ultrasonic anemometer In-speed vortex anemometer Hint 2). Which one of the following is a non-mechanical type of anemometer? Cup anemometer Hot-wire anemometer Plate anemometer Tube anemometer Hint 3). The surface anemometers typically measure wind from ________________ mph? 0-150 mph 0-250 mph 0-100 mph 0-50 mph Hint 4). The surface anemometers generally accurate to within _______________ percentage of actual wind speed? 1-50% 1-100% 1-3% 1-20% Hint 5). The thin wire heated to constant temperature, exposed to wind is a principle of operation of ______________ anemometer? Cup anemometer Hot-wire anemometer Ultrasonic anemometer In-speed vortex anemometer Hint 6). Which one of the following anemometers used for collecting data on atmospheric circulation? Cup anemometer Hot-wire anemometer Surface anemometer Upper air anemometer Hint 7). Which one of the following anemometer measures winds at higher altitudes? Cup anemometer Hot-wire anemometer Surface anemometer Upper air anemometer Hint 8). The upper air anemometers typically measure wind from ________________ mph? 0-150 mph 0-200 mph 0-100 mph 0-50 mph Hint 9). Which one of the following anemometers comes under pressure anemometer? Cup anemometer Hot-wire anemometer Plate anemometer Ultrasonic anemometer Hint 10). The accuracy of Davis 6410 anemometer is _________________ mph? 1 mph 0.5 mph 0.05 mph 4.5 mph Hint 11). What is the standard form of CTA? Common Temperature Anemometer Constant Temperature Anemometer Constant Transformer Anemometer Common Transducer Anemometer Hint 12). Which one of the following measures total pressure and static pressure? Pitot tube Hot-wire Kiel probe LDA Hint 13). The response time is slow in ____________________ anemometer? Constant current Constant voltage Constant temperature Constant frequency Hint 14). In __________________ anemometer, the measurement range is low to medium fluid velocities? Constant current Constant voltage Constant temperature Constant frequency Hint 15). Which one of the following measures wind directions? Anemometer Wind vane Energy meter Sonic anemometer Hint 16). Which one of the following measures wind speeds by counting rotations of three or four cups mounted on vertical axis? Traditional cup anemometer Vertical cup anemometer Magnetic cup anemometer Heated cup anemometer Hint 17). Which one of the following is a formula of cup anemometer? V=(2*pi*r*N)/60 V=K*Vmax B=0.836*(V/0.3)^1.5 P=0.00256*V^2 Hint 18). What is the standard form of LIDAR? Light Detection and Ranging Light Detection and Resistor Light Detection and Regulator Line Detection and Ranging Hint 19). The temperature dependency is high in _________________ anemometer? Constant current Constant voltage Constant temperature Constant frequency Hint 20). The accuracy of in-speed vortex anemometer is _________________ mph? 1.25 mph 0.5 mph 0.05 mph 4.5 mph Hint Anemometer MCQ for Quiz 21). Which one of the following measures wind speeds and/or direction? Sensor Signal amplifier Signal processor Display Hint Read more about Sensors 22). The Persian scientist Abu Raihan Al-Bruni is an inventor of ________________? Simple wind vane Hemispherical cup anemometer Pressure tube anemometer Smeatonian anemometer Hint 23). The maximum velocity range of HS-LDA-2 model is __________________ m/s? 2000 m/s 0.01 m/s 0.03 m/s 4000 m/s Hint 24). Which one of the following measures the doppler shift of laser light? Pitot tube Hot-wire Kiel probe LDA Hint 25). Which one of the following measures wind speeds by counting rotations of three or four cups mounted on horizontal axis? Traditional cup anemometer Vertical cup anemometer Magnetic cup anemometer Heated cup anemometer Hint 26). Which one of the following is a formula of Beaufort scale anemometer? V=(2*pi*r*N)/60 V=K*Vmax B=0.836*(V/0.3)^1.5 P=0.00256*V^2 Hint 27). Who is the inventor of sonic anemometer? Jon S.Allen Gerd W. H. Schreiber & G. Sutton George Thomas Robinson Leon Bollee Hint 28). What is the standard form of LDA? Laser Doppler Analog Light Doppler Anemometer Laser Doppler Anemometer Line Doppler Anemometer Hint 29). Which one of the following reduces wind speed and/or direction measurements over time? Data logger Signal amplifier Signal processor Display Hint 30). The wind range of lacrosse technology 308-1414B anemometer is ____________________? 0-99 mph 0-200 mph 0-999 mph 0-909 mph Hint 31). Which one of the following measures dynamic pressures in multiple directions? Pitot tube Hot-wire Kiel probe LDA Hint 32). Which one of the following measures wind speed and direction by bouncing radio waves off moving air molecules? Anemometer Doppler radar Energy meter Sonic anemometer Hint 33). Which one of the following measures wind speeds by counting rotations of ping pong ball or other light weight sphere mounted on a vertical axis? Ping pong ball anemometer Vertical cup anemometer Magnetic cup anemometer Heated cup anemometer Hint 34). The _________________ anemometer measures wind speed by counting rotations of a horizontal axis windmill? Windmill anemometer Ping pong anemometer Cup anemometer Pressure anemometer Hint 35). Which one of the following measures wind speeds by continuous rotations of cup? Wind vane Pitot tube Energy meter Cup anemometer Hint 36). Which one of the following is a formula of vane anemometer? V=(2*pi*r*N)/60 V=K*Vmax B=0.836*(V/0.3)^1.5 P=0.00256*V^2 Hint 37). Which one of the following amplifies electrical signal generated by sensor? Power supply Signal amplifier Signal processor Display Hint 38). The John Thomas Romney Robinson is an inventor of ________________? Simple wind vane Hemispherical cup anemometer Pressure tube anemometer Smeatonian anemometer Hint 39). The maximum velocity range of HS-LDA-1 model is __________________ m/s? 2000 m/s 0.01 m/s 0.03 m/s 400 m/s Hint 40). Which one of the following is a type of hot wire anemometer? Testo 425 Gill wind sonic MKII Vaisala WXT520 RM young 81000 ultrasonic Hint Anemometer MCQ for Interviews 41). The velocity resolution of LDA-DC3 model is __________________ m/s? 100 m/s 0.01 m/s 0.03 m/s 400 m/s Hint 42). Which one of the following is a formula of wind pressure anemometer? V=(2*pi*r*N)/60 V=K*Vmax B=0.836*(V/0.3)^1.5 P=0.00256*V^2 Hint 43). The sonic waves emitted and received between two or three transducers is a measurement principle of ________________ anemometer? Cup anemometer Hot-wire anemometer Ultrasonic anemometer Upper-air anemometer Hint 44). Which one of the following allows anemometer to communicate with other devices? Data logger Signal amplifier Signal processor Communication interface Hint 45). Which one of the following measures wind speeds by measuring pressure? Wind vane Pitot tube Energy meter Ultrasonic anemometer Hint 46). Which one of the following measures wind speeds by counting rotations of cups with magnets mounted on horizontal axis? Traditional cup anemometer Vertical cup anemometer Magnetic cup anemometer Heated cup anemometer Hint 47). Which one of the following converts amplified signal into a usable form? Power supply Signal amplifier Signal processor Display Hint 48). The velocity resolution of LDA-DC2 model is __________________ m/s? 100 m/s 0.01 m/s 0.02 m/s 400 m/s Hint 49). The Henri Pitot is an inventor of ________________ anemometer? Simple wind vane Hemispherical cup anemometer Pressure tube anemometer Smeatonian anemometer Hint 50). Which one of the following is a type of cup anemometer? Testo 425 Gill wind sonic MKII Vaisala WXT520 In-speed vortex Hint 51). The velocity resolution of LDA-DC1 model is __________________ m/s? 100 m/s 0.01 m/s 300 m/s 400 m/s Hint 52). The cooling effect of the wind on a heated wire is a measurement principle of ________________ anemometer? Cup anemometer Hot-wire anemometer Ultrasonic anemometer In-speed vortex anemometer Hint 53). Who is the inventor of hot-wire anemometer? Jon S. Allen John Smeaton George Thomas Robinson Leon Bollee Hint 54). The maximum velocity range of HS-LDA-3 model is __________________ m/s? 2000 m/s 0.01 m/s 0.03 m/s 6000 m/s Hint 55). What is the standard form of SODAR? Sound Detection and Ranging Sound Detection and Radar Sound Detection and Resistor Single Detection and Ranging Hint 56). The _________________ anemometer measures wind speed by measuring pressure changes caused by the wind? Windmill anemometer Ping pong anemometer Cup anemometer Pressure anemometer Hint 57). Which one of the following shows the wind speed and/or direction measurement to the user? Power supply Signal amplifier Signal processor Display Hint 58). Who is the inventor of Smeatonian anemometer? Henri Pitot John Smeaton George Thomas Robinson Leon Bollee Hint 59). The maximum velocity range of LDA-3 model is __________________? 100 m/s 200 m/s 300 m/s 400 m/s Hint 60). The wind speed range of gill wind sonic MKII anemometer is _________________ m/s? 1-20 m/s 20-30 m/s 40-60 m/s 0-60 m/s Hint Anemometer MCQ for Exams 61). The velocity resolution of MC-LDA-2 is ___________________ m/s? 100 m/s 200 m/s 0.02 m/s 400 m/s Hint 62). The figure shown below is a diagram of _________________ anemometer? Cup anemometer Ultrasonic anemometer Hot-wire anemometer Vane anemometer Hint 63). The velocity resolution of MC-LDA-3 is ___________________ m/s? 100 m/s 0.03 m/s 0.02 m/s 400 m/s Hint 64). Who is the inventor of pitot static tube anemometer? Henri Pitot John Smeaton George Thomas Robinson Leon Bollee Hint 65). Which one of the following measures fluid velocities by analysing particle motion? PIV Hot-wire Kiel probe LDA Hint 66). The maximum velocity range of LDA-2 model is __________________? 100 m/s 200 m/s 300 m/s 400 m/s Hint 67). The velocity resolution of MC-LDA-1 is ___________________ m/s? 100 m/s 200 m/s 0.01 m/s 400 m/s Hint 68). Who is the inventor of Robinson anemometer? Henri Pitot John Smeaton George Thomas Robinson Leon Bollee Hint 69). Which one of the following provides electrical power to the anemometer? Power supply Signal amplifier Signal processor Display Hint 70). The wind speed range of KANOMAX 6115 anemometer is _________________ m/s? 1-20 m/s 0-30 m/s 40-60 m/s 0-60 m/s Hint 71). The maximum velocity range of LDA-1 model is __________________? 100 m/s 200 m/s 300 m/s 400 m/s Hint 72). Which one of the following measures wind speeds by counting rotations of cups with heating elements that melt falling snow or ice? Traditional cup anemometer Vertical cup anemometer Magnetic cup anemometer Heated cup anemometer Hint 73). Which one of the following measures wind speed and direction using sound waves? Anemometer Wind vane Energy meter Sonic anemometer Hint 74). Which one of the following is a wind measuring instrument? Wind estimation Rotating anemometers Wind pressure anemometers All of the above Hint 75). What is the standard form of CCA? Constant Common Anemometer Constant Current Anemometer Constant Controller Anemometer Common Current Anemometer Hint For More MCQs Q Meter Question & Answers Tachometer Questions & Answers Time's up
