The Shortest air route from Moscow to San Francisco is?

Related Mcqs:

1. The Shortest (smallest) bone in human body is___________?

   A. Stapes
   B. Tibia
   C. Femur
   D. Humerus

   Submitted by: Sadam Khan

2. Quantity of fresh air required for a man is 1000 cubic feet of air for every____________?

   A. 5 minutes
   B. 10 minutes
   C. 15 minutes
   D. 20 minutes

   Submitted by: WIQAR AHMAD

3. During which process of energy exchange does cold air displace warmer air?

   A. Convection 
   B.  Radiation
   C.  Conduction
   D.  None of these

   Submitted by: Rida

4. Brass gets discoloured in air because of the presence of which of the following gases in air ________ ?

   A. Carbon dioxide
   B. Oxygen
   C. Nitrogen
   D. Hydrogen sulphide

   Submitted by: Rashid Mehmood

5. Who invented the Hot Air Balloon?

   A. Davy
   B. Montgolfier
   C. Edison
   D. Jarvik

   Submitted by: Asad Ullah Afridi

6. Air contains volume of carbon dioxide approximately?

   A. 3%
   B. 33%
   C. 0.3%
   D. 0.03%

   Submitted by: Ashfaque Ali Khoso

7. The atmospheric air is held to the Earth by?

   A. gravity
   B. winds
   C. clouds
   D. rotation of the Earth

   Submitted by: Malik Asghar Hussain

8. The carbon dioxide content in the air that we exhale is about?

   A. 4%
   B. 9%
   C. 15%
   D. 16%

   Submitted by: Malik Asghar Hussain

9. Sound travels in air at an average speed of nearly________ ?

   A. 1257 miles per hour
   B. 755 miles per hour
   C. 330 miles per hour
   D. None of these

   Submitted by: Rashid Mehmood

10. The maximum risk to air travel is from?

    A. Clouds
    B. Rainfall
    C. Fogs
    D. Strong Winds

    Submitted by: Syed Nizakat Ali Shah