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Vikram Dev Dutt, a senior IAS official, has been appointed as the next Director General of Civil Aviation (DGCA). The appointment has been approved by the Cabinet Appointments Committee. He will take over as DGCA chief on February 28, 2023, following the retirement of the current DGCA chief Arun Kumar. Dutt, a 1993 batch AGMUT (Arunachal Pradesh, Goa, Mizoram, and Union Territory) IAS officer, is now the chairman and managing director of Air India Asset Holding Ltd. (AIAHL).
Which of the following materials is used for the generation of ultrasonic waves by using magnetostriction effect?
If radius of earth is R then the height ‘h’ at which the value of ‘g’ becomes one-fourth is-
Water flows in a horizontal pipe of non-uniform area of cross-section at a pressure difference of 1.6 cm of mercury. If the velocity of water at the la...
The movement of a train is an example of what type of motion?
The colour of sky appears blue due to –
What is the work done by a centripetal force on an object moving in a circular path at constant speed?
The SI unit of mechanical power is:
Which device is best suited for measuring the temperature inside metallurgical furnaces?
A potentiometer wire of length 1 m has a resistance of 5 Ω. It is connected to a 6 V battery in series with a resistance of 10 Ω. Determine the emf ...
Ultrasonic waves, propagating through a medium, can be detected by: