Consider the following statements regarding scramjet: 1. It stands for supersonic combustion ramjet. 2. It uses atmospheric oxygen to burn hydrogen fuel. 3. These are efficient only at hypersonic speed. Which of the statements given above is/are incorrect?

Related MCQs

• Consider the following statements: 1. Ramjets work most efficiently at supersonic speeds around Mach 3 and can operate upto speeds of Mach 6. 2. A ramjet engine is an improvement over the scramjet engine. Which of the statements given above is/are correct?
• Consider the following statements regarding Venus Atmospheric Maneuverable Platform (VAMP): 1. It is a project to have a plane cruise through the sulfurous skies of Venus. 2. It would be flown 50 to 70 km above the surface of Venus. 3. The temperature 50 to 70 km on Venus is about 30 degree Celsius. Which of the statements given above is/are correct?
• Consider the following statements regarding BILI: 1. It stands for Bio Indicator Lidar Instrument. 2. It is a new instrument that could search for signatures of life on Mars. 3. It is florescence based remote sensing instrument. Which of the statements given above is/are incorrect?
• Consider the following statements regarding INSAT 3DR: 1. It is for providing meteorological services in the country. 2. It continues the mission of INSAT 3D satellite which was launched in 2011. Which of the statements given above is/are incorrect?
• Consider the following statements regarding Antrix: 1. It is not a wholly owned Government of India company. 2. It is the commercial and marketing arm of the Indian space research organization. 3. It got the Maharatna status form the government of India in 2008. Which of the statements given above is/are incorrect?
• Consider the following statements regarding MARS ORBITER MISSION (MOM): 1. This is India’s first interplanetary project. 2. It made India the second Asian country to have an interplanetary orbiter launch to its credit. 3. It was successfully inserted into mars orbit on 16th November, 2013. Which of the statements given above is/are incorrect?
• Consider the following statements regarding Anthropocene Epoch: 1. The Anthropocene was coined in 2000 by Paul Crutzen. 2. It is a recognized epoch that begins when human activities started to have a significant global impact on Earth’s geology and ecosystems. 3. The International commission on stratigraphy and the International Union of Geological Sciences has officially approved the term Anthropocene. Which of the statements given above is/are incorrect?
• Consider the following statements regarding Seaweed: 1. It is considered as the medicinal food of the 21st century. 2. Many seaweeds are rich in minerals and vitamins. 3. Seaweed cultivation increases eutrophication. Which of the statements given above is/are incorrect?
• Consider the following statements regarding Internet of Things (IoT): 1. It is internetworking of physical devices with electronics, software, sensors, actuators and network connectivity. 2. The IoT allows objects to be sensed or controlled remotely across existing network infrastructure. 3. Lamps and washing machine like devices cannot be a part of IoT. Which of the above given statements is/are incorrect?
• Consider the following statements regarding Bio-Ink: 1. It can be used for cartilage implants. 2. It allows 3D printing of complex non-living tissues. 3. A component of bio-ink called synthetic polymer causes the bio-ink to change from liquid to solid when the temperature is raised. Which of the statements given above is/are incorrect?