Question : Who among the following invented a device called PM 2.5 which when fitted near the silencer pipe in vehicles will curb air pollution?
Option 1: Debayan Saha
Option 2: Deepak Gupta
Option 3: Nikesh Arora
Option 4: Asha Sharma
Correct Answer: Debayan Saha
Solution : The correct answer is Debayan Saha.
Debayan Saha created the PM 2.5 gadget, which reduces air pollution when installed next to a vehicle's silencer pipe. An IIT-Kharagpur graduate has developed a tool called "-2.5" to combat the pollution that bears the same name to reduce vehicle pollution.
Application | Eligibility | Selection Process | Result | Cutoff | Admit Card | Preparation Tips
Question : Who co-invented the device called Cyclotron in 1934 along with Ernest Lawrence to investigate the nuclear structure?
Option 1: Joseph John Thomson
Option 2: Ernest Rutherford
Option 3: Milton Stanley Livingston
Option 4: Enrico Fermi
Question : Which of the following is used as the primary memory of a computer?
Option 1: Optical storage device
Option 2: Magnetic storage device
Option 3: RAM
Option 4: Magnetic-Optical storage device
Question : Who among the following was a Gupta ruler?
Option 1: Vima Kadphises
Option 2: Vikramaditya
Option 3: Dhana Nanda
Option 4: Kanishka
Question : A car starts at 3 pm at a speed of 50 km/hr. Another car follows it at 4 pm at a speed of 75 km/hr. At what time will the two cars meet?
Option 1: 6 pm
Option 2: 5 pm
Option 3: 7 pm
Option 4: 8 pm
Question : Which of the following pairs is incorrect?
I.Touch Pad - Locator device
II.Microphone - Output device
III.Monitor - Output device
Option 1: I and II
Option 2: I and III
Option 3: Only II
Option 4: All the above
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile