📊 Math
Q. Einstein goes from Ahmedabad To Lucknow at the speed of 40 km/hr and returned at the speed of 60 km/hr .the average speed of Einstein during the whole journey is
  • (A) 48 km/hr
  • (B) 24 km/hr
  • (C) 50 km/hr
  • (D) none of these
💬 Discuss
✅ Correct Answer: (A) 48 km/hr
📊 Physics
Q. Out of the following pairs, which one does not have identical dimension?
  • (A) Impulse and Momentum
  • (B) Angular momentum and Planck's constant
  • (C) Moment of inertia and moment of a force
  • (D) Work and Torque
💬 Discuss
✅ Correct Answer: (C) Moment of inertia and moment of a force
📊 Physics
Q. What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent?
  • (A) Telephone
  • (B) Television
  • (C) Electricity
  • (D) Early Warning
💬 Discuss
✅ Correct Answer: (B) Television
📊 Chemistry
Q. Sodium metal is kept under
  • (A) Alcohol
  • (B) Kerosene
  • (C) Petrol
  • (D) Water
💬 Discuss
✅ Correct Answer: (B) Kerosene
📊 Physics
Q. Out of 900 reported species of living gymnosperms, conifers are represented by about 500 species, About 2,50,000 species of angiosperms (flowering plants) have also been reported in the world. The vast and dominant woodlands in Europe, Asia, North America and mountains such as Himalayas are wooded with
  • (A) Only angiosperms
  • (B) All gymnosperms, except conifers
  • (C) Only conifers
  • (D) Angiosperms and all gymnosperms except conifers
💬 Discuss
✅ Correct Answer: (C) Only conifers
📊 Physics
Q. The maximum number of isomers for an alkene with molecular formula C4H8 is
  • (A) 4
  • (B) 2
  • (C) 5
  • (D) 3
💬 Discuss
✅ Correct Answer: (A) 4
📊 Chemistry
Q. The monomer of polythene is
  • (A) Vinyl chloride
  • (B) Ethylene
  • (C) Ethyl alcohol
  • (D) None of the above
💬 Discuss
✅ Correct Answer: (B) Ethylene
📊 General Awareness
Q. Who is the Founder & CEO of Facebook?
  • (A) Mark Zuckerberg
  • (B) Jeff Bezos
  • (C) Dennis Ritchie
  • (D) Mark Daniel
💬 Discuss
✅ Correct Answer: (A) Mark Zuckerberg
📊 Physics
Q. Rectifiers are used to convert
  • (A) High voltage to low voltage
  • (B) Alternating current to Direct current
  • (C) Direct current to Alternating current
  • (D) Low voltage to high voltage
💬 Discuss
✅ Correct Answer: (B) Alternating current to Direct current
📊 Chemistry
Q. The metal that is used as a catalyst in the hydrogenation of oils is
  • (A) Pb
  • (B) Cu
  • (C) Ni
  • (D) Pt
💬 Discuss
✅ Correct Answer: (C) Ni

You are learning MCQ Questions of NAVY Department : 56 | Page : 1

TAGs: NAVY mcqs, important NAVY mcqs, important NAVY questions, NAVY questions, mcq for NAVY, important mcq for NAVY, mcqs for NAVY, mcq questions for NAVY, mcq question for NAVY, prepare online for NAVY